2009 Buick Enclave Buick Enclave 2009

We are 103,000+ car owners sharing real-world car information.

Join Us

2009 Buick Enclave repairs by problem area

Engine (33%)

Transmission and Drivetrain (5%)

Brakes and Traction Control (2%)

Suspension and Steering (19%)

Electrical and Air Conditioning (23%)

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

Other (8%)

Chart based on 286 repairs.
See TSBs and recalls for the 2009 Buick Enclave.

2009 Buick Enclave engine repair cost distribution

$2500+ (1%)

$1000 - $2499 (5%)

$500 - $999 (11%)

$100 - $499 (21%)

< $100 (62%)

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

Chart based on 76 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2009 Buick Enclave

Engine not specified

40000 mi

US $450
Motor mount replaced 

Return to top

2009 Buick Enclave 4dr SUV

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

21500 mi Intake valves fouled. Need new gasket 
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 
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 
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. 
32000 mi Spark plug fouled out.....replace solenoid and spark plug. 
53000 mi Engine was over heating. 
42000 mi Replaced water pump 
47000 mi Check engine lite was on 
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. 
8000 mi Replaced t-stat. 
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. 
62000 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 
49000 mi Replace timing chain 
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. 
19000 mi Car surged around 50mph. Engine light. Codes P0300, P0302. Tested coil resistance, out of range. Replaced #2 Engine coil. Resolved issue. 
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. 
2000 mi 02 sensor failed. Ordered part, repaired three days later New O2 sensor installed. 
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 
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. 
37700 mi Replace water pump 

Return to top

2009 Buick Enclave 4dr SUV

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

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 
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. 
74900 mi Put a new motor 
93000 mi

C $200
engine misfire, replace coil 
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. 
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 
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. 
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 
38220 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 
47000 mi water pump leak, replaced 
90000 mi

US $250
Had check engine light.... was an O2 sensor on rear bank 
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. 
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. 
17000 mi Ignition timing 
70000 mi

US $1000
TPS not working correctly 
77000 mi

US $450
#6 Coil Pack Failure 
34720 mi waterpump leaking and had to be replaced under warranty 
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 
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 
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 

Return to top

See TrueDelta's information for all SUVs
See TrueDelta's information for all Buick models.

2009 Buick Enclave Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2009 Buick Enclave problems occur, check out our car reliability stats.