Worried about potential repair costs? An extended warranty can provide peace of mind.
Chart based on 100 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
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
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.
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.
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.
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.
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.
114080 mi
C $400
Muffler replaced after 184,000 km
123320 mi
C $400
Broken engine mount replaced.
13000 mi
Transmission reflash.
52000 mi
water pump failed, head gaskets replaced
5000 mi
Transmission flash.
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.
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.
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.
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
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
52000 mi
Replaced water pump.
121000 mi
o2 sensor
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
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.
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
108000 mi
US $2000
Timing chain stretched. GM covered most of this repair.
178000 mi
US $4560
timing belt and other problems
56000 mi
US $500
coil packs bad
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.
55000 mi
US $25000
timing chains needed to be 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
41000 mi
US $500
Cooling system problem.
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
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.
27320 mi
C $132
Car in for semi annual maintenance. Dealer noticed water pump leaking. Repaired under warranty.
37820 mi
C $113
Hole in muffler
34100 mi
ignition coil replaced
34400 mi
Misfiring on cylinder head 4. Replaced cylinder head 4.
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.
9000 mi
Software re-flash shifting adjustment from TSB.
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
Check engine light came on due to false reading of camshaft position.
Vehicle gas mileage has severely deteriorated. Getting 17MPG highway.
89000 mi
US $5000
Oil leak also occurred. Unsure if related.
14000 mi
Intake valve was stuck open.
36700 mi
water pump broke
94000 mi
US $100
fixed a leakage in the cooling system.
110000 mi
US $60
Purge Valve Vapor Canister Replaced
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.
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.
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.
50300 mi
Leaking Timing Chain Cover and Torque converter cover
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
80600 mi
US $1100
Had Fuel Pump and sensor replaced.
82000 mi
US $325
Replaced oxygen sensor.
72840 mi
Replaced timing chain
65000 mi
US $8000
replaced engine
53200 mi
US $2300
Water pump started leaking so replaced
52700 mi
US $1600
Timing chain
142800 mi
US $650
replaced Bank 1 O2 sensors, both upstream and downstream, and replaced catalytic converter (bank 1 side, firewall side).
Radiator overflow bottle lost fluid - Upper radiator hose leaking, replaced and added fluid. Front timing cover leaking - Removed,cleaned, resealed.
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.
27000 mi
Check engine light was on intermittently. Dealer ordered new crankshaft which they installed. Provided equivalent free loaner car so...no problem.
5580 mi
TSB transmission reflash for engine lugging. Engine mounts released and retightened.
48360 mi
Broken water pump, replaced
7000 mi
Transmission was not smooth; vehicle hesitated before accelerating when stepping on the gas.
66000 mi
Water pump failed
15000 mi
Another update to transmission software to adjust shift points and torque converter lock-up.
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.
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.
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.
71000 mi
Car overheated, engine light on. Towed to dealer
104900 mi
Faulty timing chain cover
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.
6000 mi
Engine shut down. Engine Control Module had to be replaced. Also having problem with door and window molding coming loose.
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.
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.
86000 mi
US $100
water pump
73000 mi
Vehicle over heated - water pump leak
Repaired/replaced under drive train warranty
33000 mi
Raplaced leaking water pump under warrantee.
46200 mi
water pump cracked
65000 mi
Water pump failed requiring 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
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.
22940 mi
Water pump leaking
8060 mi
Camshaft problem repair required replacement of cylinder head.
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 2008 Buick Enclave problems occur, check out our car reliability stats.
