Buick Enclave Buick Enclave

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Buick Enclave repairs by problem area

Engine (19%)

Transmission and Drivetrain (8%)

Brakes and Traction Control (5%)

Suspension and Steering (20%)

Electrical and Air Conditioning (30%)

Paint, Rust, Leaks, Rattles, and Trim (11%)

Other (7%)

Chart based on 1706 repairs.
See TSBs and recalls for the Buick Enclave.

Buick Enclave engine repair cost distribution

$2500+ (4%)

$1000 - $2499 (7%)

$500 - $999 (13%)

$100 - $499 (25%)

< $100 (52%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 227 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2018 Buick Enclave 4dr SUV

310-horsepower 3.6L V6 9-speed shiftable automatic 4WD

54000 mi

US $500
Exhaust coupler and braket 

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2016 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic FWD

67000 mi

US $50
Fuel evap solenoid failed. Replaced. 

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2016 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic AWD

30000 mi Check engine light on. Taken to dealer, found that O2 sensor was faulty. Replaced under warranty 
36000 mi Check engine light came on, taken to dealer. Found to be exhaust valve had gone bad. Replaced under warranty 

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2015 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic AWD

27000 mi Oil leak, installed dye to find leak. They had to reseal the front engine cover then refill oil and retest to verify. 
52700 mi

C $360
Replaced purge valve in fuel system causing engine light. 
54000 mi

US $50
EVAP vent control replacement 

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2014 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic FWD

41000 mi A couple of weeks ago, I cranked it up and it was idling very rough. I shut off the engine, then restarted it. It seemed to smooth out, but it threw a CEL. Went to the dealer the following day, and the codes showed a lean fuel trim condition in both cylinder banks (PO171 and PO174). The fix was to replace the solenoid for the evaporative canister purge valve. Warranty covered it, and all is good. 
59686 mi

US $1285
Repair shop replaced broken front engine mount. 
4000 mi after turning off the car, there is a strong smell of gas. We switch brands and this seems to have gone away. However dealer said this may be burn off on the catalytic converter. We'll stay on it. 
46000 mi The other problem was coil wire on the main coil. This caused all the lights to go on and the car almost to shut down. The SM at Clark Cadillac knew the problem when I told him the symptoms. 
23000 mi

US $15
it had a rattle on cold starts that they tried to fix in July, it was making noise again after 9 days. This time it was fixed. camshaft actuators replaced and new solenoids installed. so far so good 

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2014 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic AWD

12500 mi Misfire 
30000 mi check engine light came on. On board computer was checked and no codes were found. 

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2013 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic FWD

129000 mi

US $900
Vehicle overheated and engine shut off while driving. Was able to drive slowly to shop. Water Pump and Thermostat replaced. 
130000 mi

US $300
Thump in front of vehicle detected upon acceleration after prior repair. Upon inspection, front left motor mount was found to be broken. Replaced. 
73000 mi Car would not start reliably - fuel pump replaced. 

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2013 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic AWD

13000 mi Car has exhibited poor fuel economy since new delivery. Average lifetime MPG of 13. Dealer reset the mileage parameters. 
19000 mi Engine makes a whining sound equivalent to a supercharger that increases with RPM's. Car doesn't have a supercharger lol. Told it is just a trait of the car and is normal. 
58000 mi

US $1400
Motor mount replaced. Squealing serpentine belt. Belt and tensioner replaced. 

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2012 Buick Enclave

Engine not specified

67700 mi Engine block bolts were damaged and had to be replaced. There is still a popping noise on the front left and a purr/click noise coming from the back left that the dealer could not identify and therefore did not fix. 

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2012 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic FWD

109770 mi

US $279
Engine Mount 
70000 mi

US $2500
I no longer recall; [related to engine] 
27000 mi Broken intake snorkel - caused stalling, undrivable 
56000 mi

US $150
Surging, repaired with fuel injector/intake manifold cleaning. 

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2012 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic AWD

2000 mi Smoke on startup. 
74000 mi Replaced evaporative emissions canister-full of dirt. 
23000 mi check engine light came on 
92000 mi

US $5500
Gaskets for gear case, engine cover 
68000 mi

US $2700
RPM would fluctuate 200RPM +/- while driving between 53 - 56 MPH. Mechanic found the duct between the air cleaner and the intake manifold was loose & not connected properly. Said it was caused by whoever checked the air filter last. I paid $50 (.5 hr) for the diag and repair, but the problem was not fixed. 
116000 mi

US $23
In stop-and-go traffic, engine began heating up excessively and transmission began to slip when engine temperature was elevated. Along with doing scheduled coolant change ahead of schedule, shop replaced leaking radiator cap. 
114500 mi

US $293
Almost immediately after starting, idle became rough and odor of gas. Check Engine light flashing. Messages "Traction Control Off", "Service Stabilitrak", "Engine Power Reduced". Fuel injector temporarily stuck open. Cleaned injectors and throttle body. 
143000 mi

US $2424
Occasional rough idle, with "Traction Control Off", "Service Stabilitrak" warnings and Check Engine light illuminated. Raw fuel odor. All 6 fuel injectors and the injector wiring harnesses were replaced. 
147000 mi

US $8042
Worn-out engine mounts were replaced. 

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2011 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic FWD

45000 mi Broken motor mount 
88000 mi

US $1609
Water Pump Replacement 
66000 mi

US $500
Water pump failed and replaced 
60500 mi

US $796
CAR OVER HEATED. TOWED TO DEALER. WATER PUMP REPLACED. 
69365 mi

US $2733
BROKEN UPPER AND LOWER ENGINE MOUNTS. LEAKING OIL PAN/FRONT COVER. 
64000 mi

US $2007
OIL LEAK. RESEALED FRONT COVER. CHANGED OIL AND FILTER. REFILLED COOLING SYSTEM. YELLOW ENGINE LIGHT ON. T.B. EXISTED. COULD NOT DUPLICATE PROBLEM. LIGHT (ALARM) RESET. 
69365 mi

US $2440
OIL PAN/FRONT COVER LEAKING 
86000 mi

US $775
check engine light. efi module needed to be replaced. 
18000 mi Engine light on, code P0300, P0306 stored in system. Reprogrammed PCM with updated calibrations. 
61500 mi

US $100
broken motor mount 
84000 mi

US $200
Water pump leaking, replaced 

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2011 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic AWD

32500 mi Check engine light: related cylinder misfire 
71000 mi

US $450
Replaced O2 sensor and fuel pressure solenoid 
30700 mi Fuel from tank would not pump to engine if tank was under 1/8th and parked on a hill. 
68500 mi Water pump assembly leaking. 
43000 mi Water pump was found to be leaking during a normal service of the Enclave. Dealership personnel found the problem. Water pump replaced by dealer. No cost to owner. 
98000 mi

US $810
Replaced Water Pump due to leak. Check Engine Light. Problem with emissions sensor/component 
55000 mi water pump 
36000 mi engine absolutely quit running 

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2010 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic FWD

13000 mi Key won't turn all the way back and is stuck in ignition. Diagnosis was the shift lock control actuator switch came off and was not releasing, therefore the car thought it was still in gear. Switch was secured and holding as designed. 
37300 mi Leaking coolant around water pump. Replaced engine coolant pump. Front engine motor mount colapsed, causing vibrations throughout the car. 
62000 mi

US $283
Car was hard to start after refueling. Fuel vacuum pump went out. 
86500 mi

US $627
Motor mounts 
90100 mi

US $155
Replaced purge valve to correct service engine light. 
16000 mi Check engine light due to a loose gas cap. 
33000 mi Low coolant in reservoir. Possible water pump leak/recall for check. Coolant added 
38000 mi reported engine oil , about a tablespoon, found when checking air filter located in intake. Valve covers were replaced,the one adjacent to pcv included a updated baffel per dealer in-house bulletin. The top bolt/screw adjacent to firewall on engine air filter cover is stripped. It is actually the plastic base that the bolt/screw taps into that is stripped. Dealer reported checked and all ok???????? 
25000 mi Crankshaft position sensor was replaced. Engine code code PO355. 
18000 mi Check engine light on. Tests run, no leaks found, check engine light reset. 
32200 mi Coolant leak, replaced water pump 
34000 mi

US $70
Check engine light on. Checked and cleaned fuel injectors, replaced oxygen sensor, and reset the check engine light. 
41300 mi

US $125
Leaking Hose at Fitting 
37000 mi ECM recorded codes indicating missfire on all 6 cylinders. No problem was found and computer was reset. 
35000 mi

US $1500
Cooling fluid leak around the water pump 
70000 mi

US $200
Evaporation Purge Solenoid Valve need replace Check engine light on. 
2800 mi

US $54
Constant whining emitting from drive train at 2000 rpm. Problem was a defective muffler/resonator which necessitated replacement of exhaust system. 
54229 mi Replaced motor mount 
75357 mi Water pump, both CV boots replaced under warranty 
10700 mi Left muffler made vibrating noise when accelerating. Think it was the shroud on tail pipe, haromincally rattling as accelerated. Tail pipe is part of muffler so dealer replaced muffler. Had to order part from local supplier. Took all day. 
74000 mi Two engine mounts are broken, the Torque Strut in front & a rear engine mount.  
44800 mi Front motor mount replaced 
105000 mi

US $300
Replaced spark plugs and ignition coils. Repair shop had replaced only one cylinder before, but misfire on cylinders 1, 3 and 5 returned. Dealer diagnosed and wanted $1,400 to repair 

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2010 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic AWD

61200 mi Water pump failure. Shop replaced under warranty. 
21780 mi Replace Bank 1 Sensor 1 O2 Sensor 
26860 mi Replace water pump and gaskets 
37700 mi Waterpump seeping from its seals. Added Dexcool/water mixture for a month until replacement conducted over two days. Drove car 1000 miles since water pump replacement in early July, it failed a second time but this time standed the car. In the shop 6 more days and replaced the pump a second time. 
49500 mi

US $200
Coolant hose leaking. Replaced. Water pump seal leaking. Replaced. 
60000 mi

US $1300
Timing chains needed replacement (too much slack). Received 7 error codes when returning from a trip. 
78000 mi

US $800
Throttle Body replaced. Also, replaced battery. 
56000 mi

US $600
fuel injector in cylinder one was stuck open and flooded the engine. 
33480 mi The throttle body was replaced. I was told that it controls many other computers, one of which runs the park assist! 
66000 mi

US $21
After refueling, the car won't start, first I thought was the fuel, but after some research, I found that most common symptom for this type of failure is caused by rotted material in the Purge Valve Solenoid. Bought the part on ebay, $21. 

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2009 Buick Enclave

Engine not specified

40000 mi

US $450
Motor mount replaced 

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2009 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic FWD

52600 mi Number 4 cylinder misfire, replaced #4 ignition coil 
66000 mi

US $550
engine mis-fire, replaced ign coil #4, cleaned throttle body and serviced emission system, serviced fuel injectors 
82000 mi

US $260
replace water pump replaced faulty ignition coil #3 
15000 mi Number 5 Fuel Injector Failure. 
31000 mi Noticed engine running hot on temperature gauge, while idling. Vehicle's water pump was replaced in several months ago. Dealer stated that O ring failed and replaced it and refilled antifreeze.  
72700 mi

US $250
Replaced front motor mount 
96000 mi

US $462
Replaced Coil pack assembly and serviced the throttle body. 
19000 mi Car surged around 50mph. Engine light. Codes P0300, P0302. Tested coil resistance, out of range. Replaced #2 Engine coil. Resolved issue. 
17000 mi Revised oil life monitoring software to prevent timing chain wear. 
37000 mi The check engine light came on. After first trip to dealer they said there was no problem. Engine light came on next day and this time they said they had to order timing chains. It would take three (3) weeks) in which time I could still drive it. 
38000 mi Dealer ordered new timing chains and special engine lift to drop the engine. Three week time from order till repair. Everything works well now - two weeks and no issues with the check engine light. 
86000 mi

US $167
The check engine light came on. Replaced a sensor, completed a tune-up and a recall. 
37700 mi Replace water pump 
24000 mi Timing chain was "stretched" or "loose" from the factory. Problem surfaces around 24000 miles. While installing the new timing chain, dealership "nipped" a cam cover which resulted in leaking oil. 
46000 mi Water pump failed. Vehicle over heated and had to be towed. 
36700 mi leaking oil and they had to literally take the engine out of the car to repair the leak. problem was back within a week 
37000 mi Oil change calculation was faulty resulting in too much mileage between changes, and unnecessary wear on timing belt. The updated the software to reduce mileage between oil changes. 
38000 mi Engine light came on and the engine was missing. Tech replaced the ignition coil and sparkplug.  
66000 mi Water pump was replaced after finding coolant on the garage floor. Car was returned for service again a few days later for the same reason. Dealer said the first water pump they put in was defective 
49000 mi Replace timing chain 
8000 mi Replaced t-stat. 
125000 mi

US $93
Replace broken air intake hose 
127983 mi

US $2340
Replace timing chain and 4 cam phasers due to timing chain stretch. The mechanic said based on their research the phasers are the culprits causing the timing chain stretch. If I don’t replace the phasers, the new timing chain may get stretched again. 
128333 mi

US $209
Front motor mount replacement 
134945 mi

US $694
Replace 1 front engine mount and 1 rear engine mount. 
28000 mi

US $15
Engine warning light was on due to stretched timing chain. Parts are ordered. Repair will be done in warranty with no charges Monday, 09-2002010. 
29000 mi

US $15
Engine removed from car. Timing chain replaced. No charges for any of this. Rental car was furnished at no cost to me. 
86000 mi

US $307
Engine misfire was being caused by defective ignition coil packs. I replaced six ignition coils and spark plugs. This cured the problem. 
63000 mi

US $100
One coil pack had gone bad. Symptom was a rough idle and a cylinder miss fire code. 
70000 mi

US $160
Two ignition coils failed at the same time. This caused the catalytic converter to overheat and plug up. Failure of the ignition coils was followed by catalytic converter failure. 
71200 mi The catalytic converter failed. The car began to shift oddly. 3rd party mechanic wanted to change transmission. Took to dealer who properly determined a new cat converter was all that was needed. 
91000 mi Timing chain issue. Code p008. Warrenty repsir. 
92000 mi

US $60
Two ignition coils failed. 
95000 mi

US $95
Engine misfire. Replaced the #2 ignition coil and spark plug. 
42000 mi Replaced water pump 
47000 mi Check engine lite was on 
47000 mi the vehicle was loosing water but I did not see any on the ground. They replaced the water pump. They also reset the computer to indicate oil change sooner. 
88000 mi

US $450
I had a problem with the front motor mount, a clunking noise when car was put in gear, 
95000 mi

US $650
replaced upper motor mount 
32000 mi Spark plug fouled out.....replace solenoid and spark plug. 
53000 mi Engine was over heating. 
30000 mi Intake valves fouled. Need new gasket 
2000 mi 02 sensor failed. Ordered part, repaired three days later New O2 sensor installed. 

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2009 Buick Enclave 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic AWD

122700 mi

US $4350
Timing chain replacement due to being stretched. 
131000 mi

US $1200
Catalytic converters replaced, vehicle still shudder when accelerating at low rpm or trying to maintain speed on slight inclines 
12400 mi Engine light came on and they had to check everything and ended up resetting the computer. I've lost my receipt so I can't remeber exactly what they did. 
22320 mi Timing of indicator for oil changes increased to prevent damage occurring to vehicle. 
55180 mi Check engine light came on code 000008 Was reset, Came back second time and code was the same Going in January 11, 2016 for possible timing chain repair 
60480 mi Timing chains replaced. A special consideration not a recall...yet Front brakes replaced. Stated back brakes needed to be replaced but I declined. 
56420 mi

C $695
Idler pully fell off bolt sheared off . No part took long to get it 
98020 mi

US $600
constant bad 02 sensors, bad ignition coils , and catalytic converters all had to be replaced, Repair was made but GM factory parts constantly failed the parts keep failing such as O2 sensors and ignition coils 
20000 mi Dealer diagnosed "check engine" icon (poor design, just the symbol of an engine block, most women wouldn't have a clue). Bad Oxygen sensor on one exhaust bank (Enclaves have dual exhaust) and a misfire on the one cylinder on the same bank. 
22000 mi since GM would not recall and fix the timing chain stretching problem on our 2009, we elected to sell the Enclave and rid ourselves of a potential future huge repair bill. No more GM products in this family for anyone of us and our kids. 
25420 mi replaced the timing chain as it was stretched replaced the timing chain as it was stretched 
30380 mi squeak in the suspension originally diagnosed as power steering. Turned out to be a loose motor mount problem did not present itself until after the timing chains were replaced. 
74900 mi Put a new motor 
93000 mi

C $200
engine misfire, replace coil 
40000 mi transmission would have difficulty deciding when to downshift and intermittently felt like it was "skipping" or "missing" the gear. dealer state this is a known issue and reprogrammed control mod. 
46000 mi Reprogrammed transmission again. 
51000 mi replaced bad ignition coil that was causing engine problem 
47000 mi water pump leak, replaced 
90000 mi

US $250
Had check engine light.... was an O2 sensor on rear bank 
87000 mi Misfire and engine codes. Coils inspected, found to be ok. Tuneup performed. Oil leak. Valve cover seal. 
89700 mi

US $600
Loss of power. Stabilitrak. Throttle body. 
70000 mi

US $1000
TPS not working correctly 
77000 mi

US $450
#6 Coil Pack Failure 
21000 mi Ignition coil for cylinder one shorted out. Part replaced. 
25000 mi blown ignition coil cylinder 1 
33000 mi CEL. Timing belt issue causing misalignment. Performed TSB to change oil life monitoring. 
38900 mi Bad coil pack. 
41500 mi Leaking water pump 
17000 mi Ignition timing 
34720 mi waterpump leaking and had to be replaced under warranty 
34000 mi Inlet camshaft sensor replaced 
49500 mi Check Engine Light was on. Required reprogramming of ECU. 
59500 mi Timing chain replaced for the 2nd time. Was also replaced at 18,000 miles. Hesitation on acceleration. Sometimes slight, sometimes severe enough to trip a flashing warning light, then the light would go off. Dealer misdiagnosed problem this trip as related to the bad timing chain and carbon in the intake tract. Misfire on acceleration. Sometimes slight, sometimes severe enough to cause a flashing CEL. Reported to dealer problem still remained 5 miles after previous repair. Returned week later to fix with an illuminated CEL. Replaced a coil pack & one spark plug. 
21000 mi Reflashed transmission to shift better between second and third 
100000 mi

US $55
The car was hard to start after filling with gas. 
114800 mi

US $1287
Replace catalytic converter 
103000 mi

US $750
Replaced water pump 
133000 mi

US $450
Emission system evaporative purge control solenoid. Solenoid replaced which required dropping the fuel tank to access. 
30000 mi

US $200
Engine Light on, Recall repair on oil timing belt, plus other recall issues, Buick never notified me of recalls. Knocking sound in wheel, dealer said they didn't hear it. 
48168 mi

US $600
Engine light on, CMP actuator replaced, stretched oil timing belt 
54000 mi

US $62
Fluid puddle discovered on garage floor, dealer replaced water pump on Friday. More fluid over the weekend, back to dealer, shop didn't replace the gasket the first time, two more days with a rental car. 

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2008 Buick Enclave 4dr SUV

275-horsepower 3.6L V6 6-speed shiftable automatic FWD

22000 mi Car had oil leak. Dealer examined it, admitted problem exists & told me to come back Monday for repairs. Later that day, I received a phone call - they needed to order parts. They did not call me to inform me parts were in. I had to do followup calls. Dealer replaced parts needed to correct oil leak. Problem has not returned to date. 
1000 mi Check Engine light came on. Took to shop as soon as possible (2 days). Light reset and codes cleared when shop started vehicle. Check Engine light came on. Diagnostics said camshaft position sensor error. TSB calls for replacing camshaft and head. Parts ordered. 
2000 mi Enclave returned to shop to have faulty camshaft replaced. 
11000 mi Transmission needed reflashed per TSB but dealer did not know how to perform reflash. Suggested that we take it to another Buick dealer when we are in a larger city (this is a city of 600,000)! 
74000 mi

US $200
Noisy fuel pump Replace two engine mounts 
91000 mi

US $200
Replace water pump 
70000 mi Water pump broke. Dealer fixed it for free even though it was 70,000 miles. 
109000 mi

US $530
Throttle body sensor bad. Replaced throttle body sensor. 
6626 mi Dealer had to replace the left ( or front ) engine head, both heads were removed, left head and both camshafts were replaced due to 1/4 inch lose play in camshaft ends. GM took 25 days to get new head gasket to dealer to do repair. Check Engine light ... Engine torn completely to the block due to camshaft sensor code. Dealer says 1/4 inch movement in camshaft ends. This car went into dealers shop on Feb, 08,2008 this is now Feb,22,2008 dealer states he cannot obtain a new head gasket to complete engine re 
10000 mi Dealer replaced both camshafts and front head and gaskets. Parts had to be ordered dealer couldn't get parts for 25 days. Engine was torn down before parts were ordered resulting in car out of service for a total of 27 days. 
56000 mi Water pump began leaking; took it in and had pump replaced under warranty. 
1000 mi CEL is on, dealer ordered many parts, still waiting. CEL comes and goes on its own. 
2000 mi Floating cams. 
3000 mi Parts ordered for second cam replacement. Still waiting for them in October. 
6000 mi CEL came on again, same error code, car back for another 3 weeks and seems fine now. 
5000 mi Transmission flash. 
9000 mi Took vehicle to another dealership since 1st 2 trips to original dealer did not fix the problem. New dealership had a TSB and fixed the problem. Been fine for 2 weeks now. 
18000 mi Check engine light came on. Fuel cap not sealing properly. Dealer replaced. 
47200 mi

US $102
Car idles very rough 1st thing each morning then becomes stable after about 30-45 seconds. Raw fuel smell. Dealership duplicated issue, cleaned throttle body and reset computer. Did not fix the issue. 
56000 mi

US $500
coil packs bad 
40220 mi

C $132
Car in for semi annual maintenance. Dealer noticed water pump leaking. Repaired under warranty. 
37820 mi

C $113
Hole in muffler 
34600 mi Check engine light illuminated on hot day after extended stop & go. Temp gauge rose, but quickly returned to normal after AC turned off. OnStar performed diagnostic, advised to take to dealer. Dealer could not duplicate, said to return if happened again. 
47000 mi Replaced Rear Engine mount J1515 Replaced Vacuum Hose J6980 
64000 mi

US $100
Broken engine mount 
66000 mi

US $100
Water pump . Extended warranty, 100$ deductible. Also replaced tires non warranty 
41000 mi

US $500
Cooling system problem. 
4000 mi Plastic label on muffler started smoking, smelling. Dealer scraped off the label. Problem solved. 
98000 mi

US $500
Engine sensor failure activated check engine light. New sensor installed. 
2000 mi Auto manufactured before the August 1 transmission software update. Had auto transmission re-computerized while in the shop for problem number 1. 
17000 mi Losing coolant. Discovered when oil changed. Two seals were replaced. 
108000 mi

US $1300
Timing Chain(s) & Tensioner(s) Replacement. Some years we're granted a extended warranty (6yr-120000) miles, of course mine wasn't. I'm still waiting for GM to tell me why some we're granted the extension & why some we're not. 
154000 mi

US $267
Replaced Muffler 
55000 mi

US $25000
timing chains needed to be replaced 
56000 mi

US $2400
front timing cover leaking fluid. charged $697 even though engine was out of car. no warning signs, no spots on driveway, etc. 
13000 mi Transmission reflash. 
52000 mi water pump failed, head gaskets replaced 
2000 mi Check engine light came on due to false reading of camshaft position. 
9000 mi Software re-flash shifting adjustment from TSB. 
34100 mi ignition coil replaced 
34400 mi Misfiring on cylinder head 4. Replaced cylinder head 4. 
114080 mi

C $400
Muffler replaced after 184,000 km 
123320 mi

C $400
Broken engine mount replaced. 
67000 mi

US $100
Check engine light illiuminated. no drivebility issues noted. Dealership noted failed air scheduling valve failed to open. Part ordered then received. Part then installed. Customer kept car during parts ordering. 
71000 mi Vibration at 1000 rpm. Front engine mount leaking and was replaced. Code P0366 exhaust CMP Sensor performance Bank 1. camshaft position sensor sending incorrect values to ECM. Part replaced. Vibration in exhaust at 1000 rpm. Dealer contacted TAC. No fix for exhaust drone 
119000 mi

US $186
Evaporation Purge Valve failed, check engine light came on, scan tested Po496. Replaced valve part number 12611801. Part cost $43.02 Labor $143.53 
82000 mi

US $240
The Purge valve had to be replaced Had to replace the Passenger side engine mount. Cost on this portion was $560. Total coast with taxes was $788 
25000 mi Engine and Stailitrak lights. Dealer forwarded both engine heads to a machine shop for repair. All valves on left side were also replaced. GM initially paid $1400. Successfully sued GM in small claims court for $1851. 
66960 mi

C $325
Muffler needed replacement 
108000 mi

US $2000
Timing chain stretched. GM covered most of this repair. 
178000 mi

US $4560
timing belt and other problems 
81000 mi Water pump required replacing after dealer replaced in March. 
83000 mi

US $200
Replaced broken head gasket 
84000 mi Head gasket replaced in engine 
70000 mi

US $600
oil leak 
92000 mi

US $180
Fuel pump 
46000 mi Reflash transmission to improve shifts. Engine takes a lot of throttle to get the vehicle moving in cold weather. Reprogram engine control. 
83000 mi

US $50
Stumble/hesitation at times when moving away from stoplight or stopsign. Not repaired, still does it. Dealer unable to fix/replicate. Water Pump leaking, replaced. 
52000 mi Replaced water pump. 
50000 mi Problem with cam shaft, had to install some kind of shims. When picked up vehicle 5 days later, the engine light went on again. Vehicle would not accelerate properly after cam shaft fix. While driving back to dealer, oil light came on. I pulled over immediately. Engine was blown. Dealer replaced engine. Running good now except for noise when I turn on an incline. 
121000 mi o2 sensor 
3100 mi Reflash of transmission control module to update to more aggressive shift partern which holds the lower gear longer for better acceleration 
75020 mi Vehicle developed leak while on road trip to Florida. Brought to Dealer for diagnosis as temperature gauge started to climb day after arrival. Dealer replaced water pump under warranty 
130820 mi

C $60
replace evap purge valve as vehicle would not start immediately when filed with gas. Self diagnosis with code reader and watch Youtube video to learn what to repair and it myself 

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2008 Buick Enclave 4dr SUV

275-horsepower 3.6L V6 6-speed shiftable automatic AWD

66000 mi Water pump failed 
72840 mi Replaced timing chain 
48360 mi Broken water pump, replaced 
44000 mi Car overheated. Had to be put on a flat bed to dealer. Needed new water pump gasket leak 
65300 mi Replaced bad evap canister purge solenoid which was an emissions control item. 
14000 mi Intake valve was stuck open. 
36700 mi water pump broke 
80600 mi

US $1100
Had Fuel Pump and sensor replaced. 
82000 mi

US $325
Replaced oxygen sensor. 
27000 mi Check engine light was on intermittently. Dealer ordered new crankshaft which they installed. Provided equivalent free loaner car so...no problem. 
106200 mi Slight leak with water pump. Pump replaced. 
13000 mi Had them re-route the AC condensation tube to dump another place so we don't have to step into water while entering the drivers seat. 
142800 mi

US $650
replaced Bank 1 O2 sensors, both upstream and downstream, and replaced catalytic converter (bank 1 side, firewall side). 
184000 mi

US $427
replaced broken motor mount 
95000 mi

US $2000
Problem with timing chain, cylinder head, camshaft, etc. parts replaced with partial coverage from GM even though 5-year warranty expired on the drivetrain. 
15000 mi Another update to transmission software to adjust shift points and torque converter lock-up. 
89000 mi

US $5000
Oil leak also occurred. Unsure if related. 
53200 mi

US $2300
Water pump started leaking so replaced 
52700 mi

US $1600
Timing chain 
65000 mi

US $8000
replaced engine 
73000 mi Vehicle over heated - water pump leak Repaired/replaced under drive train warranty 
25000 mi Dealer requested that the car be brought back for another check after noticing an oil leak. Timing cover was found to be cracked. Engine had to be removed to replace timing cover. 
24000 mi Reprogram ECM & TCM W/Updated Calibrations SPS Code #503A1 
50000 mi Radiator overflow bottle lost fluid - Upper radiator hose leaking, replaced and added fluid. Front timing cover leaking - Removed,cleaned, resealed. 
8000 mi Loose connection on an electronic sensor (TBS on this). 
34000 mi Coolant leak that couldn't be duplicated. Had to go back about 1 week later where water pump was discovered to be bad. The water pump was replaced and the leak stopped. 
9000 mi Transmission reflashed. 
69000 mi Water pump leaked and had to be replaced. This was detected during oil change 
72200 mi

US $100
Oil leaking from timing cover. Seal had to be replaced and timing belt(s) were also replaced 
107600 mi

US $900
Check engine light came on. Purge valve and gas cap seal needed replacement 
116000 mi

US $569
Engine oil leak--none found. They have determined the vehicle consumes 1 quart of oil every thousand miles. Nothing to be done other than take the engine apart. 
25000 mi We have had 8 incidents now of a sticking accelerator. 1 very dangerous event when on freeway car dowshifted in cruise control set at 60 to 92 mph before could get the car stopped. 2 property and injury accidents because of accelerator. 
98800 mi Water pump leaking. Replace water pump 
8060 mi Camshaft problem repair required replacement of cylinder head. 
13020 mi Camshaft required replacement. 
2000 mi Engine light came on, they reprogrammed the computer, but light came back on. Might be camshaft defect mentioned on the Enclave boards. 
3000 mi engine service light came on, diagnosed as known problem of bad cam shafts 
46562 mi Water Pump leaking. Dealer replaced water pump under warranty. Water pump leak. Replaced under warranty 
89900 mi

C $697
Vehicle went into Reduced power mode 4 times over a 3 month period. Same codes each time - referencing a Throttle Body isse P1516 & P2135. Throttle Body was replaced as first diagnostic step. Dealer not 100% sure it will solve issue. 
65000 mi Water pump failed requiring replacement. 
5580 mi TSB transmission reflash for engine lugging. Engine mounts released and retightened. 
33000 mi Raplaced leaking water pump under warrantee. 
86000 mi

US $100
water pump 
22940 mi Water pump leaking 
1000 mi I read on enclaveforum that an optional reflash for the transmission control module is available to move the shift points up to higher speeds. This fixes the preceived annoyance that the engine shifts too soon and "lugs" when going between 30 and 50 mph. 
37000 mi

US $250
Car reported transmission problems, finally reducing power. Dealer diagnostics reported error on Throttle plate tracking - the assembly was carboned up. Did a fuel system cleanse and manual cleaning of throttle assembly. 
31000 mi while driving, engine power reduced warning and other system service warnings, plus overheating. Stopped driving, had car towed to dealer who replaced water pump. 
6000 mi Engine shut down. Engine Control Module had to be replaced. Also having problem with door and window molding coming loose. 
35000 mi computer for all wheel drive does not work, computer on order exhaust gas valve needs replacement, parts ordered 
36000 mi Installed new AWD computer. Installed new exhaust gas valve. 
71000 mi Car overheated, engine light on. Towed to dealer 
104900 mi Faulty timing chain cover 
46200 mi water pump cracked 
92680 mi

C $500
water pump developed a leak. done under special warranty. a few deals had to be replace costing me about $500. 
110617 mi

C $943
water pump and serpentine belt replaced 
94000 mi

US $100
fixed a leakage in the cooling system. 
110000 mi

US $60
Purge Valve Vapor Canister Replaced 
7000 mi Transmission was not smooth; vehicle hesitated before accelerating when stepping on the gas. 
64100 mi Vehicle gas mileage has severely deteriorated. Getting 17MPG highway. 
50300 mi Leaking Timing Chain Cover and Torque converter cover 

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2008 Buick Enclave 4-door

6-cylinder automatic 2WD

88000 mi

US $450
Car shuddering on take-off and around corners. A cracked motor mount was replaced. 

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Buick Enclave Engine Problems

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