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Chart based on 74 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2008 GMC Acadia
Engine not specified
4000 mi
Vehicle would shudder, transmission was not shifting properly. Transmission shifting problems
Warranty Work.
Had May8th transmission update completed.
Had sunroof Recall completed.
39000 mi
Water pump was leaking. Engine was leaking oil from the front cover. Engine had to be pulled to replace the seal. While the engine was pulled, technician found excessive camshaft endplay. Camshafts and heads were repaired.
65800 mi
Oil leak
50000 mi
Water pump leak noticed. Water pump replaced.
55000 mi
US $312
Engine squealing noise at start up and through 30mph.
20000 mi
ECM/TCM Reprogramming for Driveability Issues. Transmission dead spot between 2nd and 3rd when shifting. Dangerous when entering highway traffic. Excessive accelerator pedal travel required to speed up or force drop to lower gear.
80000 mi
Radiator fluid 1/2 gallon low. Discovered due to service bulletin. Overflow tank showed full. Removed vanity cover to acess radiator cap and fluid was low. Suspect rear AC evaporator and long cooling lines not properly de-aired at assembly.
90000 mi
water pump leaking. small puddle under car overnight.
was checked previously under TSB for low coolant level from factory fill not being de-aired.
127000 mi
US $100
Throttle body inop
130 mi
US $8
Remove throttle body and mass air flow sensor and clean varnish, oil and residue with CRC TB cleaner and MAF cleaner and reinstall
3000 mi
Engine light went on erroneously and the transmission was not shifting smoothly. (On-star report didn't pick up anything significantly wrong when the light first appeared.) The repair was to update some of the engine and transmission software.
34000 mi
Transmission sluggish between 40mph and 60 mph.
57660 mi
Total engine failed, They could not find the problem, still not running
57660 mi
$5900
Replaced Engine
60760 mi
Same engine problem
106200 mi
Water pump leak. Replaced
134700 mi
US $100
Bad purge valve
8000 mi
Attempted optional May 8th TSB for flat spot when accelerating transmission reflash. Flash did not take, must be done again.
12000 mi
Did the May 8 Transmission Flash to change shift points.
120300 mi
US $274
replace water pump
100000 mi
US $250
CEL was diagnosed to be a fuel vent filter that needed to be replaced.
50000 mi
Noticed coolant under vehicle in garage. Took vehicle to dealer which diagnosed a leaking water pump. Water pump replaced be dealer, in shop for approx 3 hours. Successful repair.
77500 mi
Oil leak from timing chain cover (engine front cover). Engine removed and timing chain cover resealed.
43000 mi
US $145
PCV valve was leaking oil.
56200 mi
US $400
Two days after June repair, I noticed a leak (10-16 oz) of red fluid at right front corner of engine compartment. I had previously informed the dealer & local mech about it. It was a leak from the water pump. Replaced pump.
129000 mi
US $30
Low oil pressure warning - Mechanic said it is sensor leaking/weeping, oil pressure is ok. Replacement Sensor will cost $500.
144000 mi
US $300
Evap System, High Purge sensor warning - replaced solenoid Rough-running engine - Ignition coil for cylinder #3 was bad - replaced Seal leaking (slight) at front crankshaft - replaced
162000 mi
US $463
Replaced resonator in exhaust system
169500 mi
US $215
Replaced PCV Tube & breather air duct
145000 mi
US $350
The car would shudder when shifting gears. Dealer was not able to identify the a specific problem. Recommended cleaning throttle body and fuel injectors Mechanic says car has random misfiring on all ports. Oil discovered on spark plug filament. Recommended replacing front and rear valve covers. PCV is located within the valve cover assembly.
The following service was performed at 53k miles: Water Pump replaced. Coolant flush and filled. Rear brake pads and rotors replaced.
85000 mi
US $600
Engine ventilation problem. GM has a TSB regarding this problem. replace valve cover,valve cover gasket, and PCV tube.
65000 mi
US $2200
Coolant started leaking after road trip. Took to dealer and replaced water pump due to bad shaft seal. Timing chain was stretched coding as a camshaft sensor. $1700 labor.
66800 mi
US $540
Timing chain was stretched coding as a camshaft sensor. $1700 labor.
87000 mi
The water pump started leaking very badly about a week after the trans was rebuilt. This was also repaired under warranty.
152000 mi
US $205
A heater hose T-fitting connecting 3 hoses sheared and caused massive coolant leak. The fitting is a non replaceable part. It is part of an assembly of hoses that cost $153.
156000 mi
US $6000
The camshafts wore out the camshaft bearings and moved laterally as a result and its gears jumped out of place in the timing chain. The engine stopped producing power needed towing. All upper engine parts replaced.
4300 mi
Transmission problems - software
5900 mi
Engine rebuild - Heads and cam
Transmission - Software upgrade
83700 mi
Water pump was leaking. A buletin has been issued by GMC that cover leaking water pump for 10yrs or 190k
73800 mi
Waterpump leaking fluid.
62000 mi
US $3600
Timing Chain cover seal leaking. Second time in. They just fix it with a poor quality silicon sealant (not gasket) so it pops up again. Requires removal of engine.
36800 mi
US $860
Dirty throttle caused the actuator to seize
50000 mi
US $220
I experienced drop in engine power after I accelerated rapidly. Turning the auto off and restarting it twice cleared up the diagnostic center except for the engine light. The dealer said to bring it in soon for a checkup.
67160 mi
C $700
Diagnostic ($140.00) revealed dirty valves. Dealer recommended Wynn's cleans ($300.00). This all stemmed from the engine light coming on.
30380 mi
C $120
Two litres of anti-freeze on garage floor. Unable to duplicate, no repeat performance as yet. I suspect the infamous water pump. Time will tell!
93700 mi
US $360
water pump broken - leaking fluids.
30000 mi
US $500
rough idle
47000 mi
losing coolant
53000 mi
timing chain cover, timing chains oxygen sensor
64900 mi
Rough idle. Replaced fuel pump wiring. Did not correct the problem.
Oil Leak front timing cover Water pump seal leaking. Replaced water pump.
12000 mi
Noticed excessive shifting while highway driving with cruise control on. Dead spot on acceleration from 40 to 55mph.
22000 mi
Reluctor had to be replaced inside engine
24000 mi
Engine light on for a few weeks, car did not have normal pep.
6200 mi
Check engine light during snowstorm. OnStar ran diagnostic: not enough power getting to wheels. Instructed us to go to dealer within 7 days. CEL went out a few days later. I believe dealer cleared the codes and did software update(work order not clear).
20000 mi
Dealer trying to detemine transmission problem noticed in July. Said previous dealer misdiagnosed the problem. NTF, but when car returned the Service Engine light was on - P0222 - knock sensor bank 2. Found bad knock sensor for bank 2. Dealer stated this may have been my transmission problem back in July - yeah right. Replaced the sensor only not the ECM.
83500 mi
Check engine light, diagnosis: ..OHC problem, replaced complete system
41000 mi
US $65
Service engine light due to valve problem.
Had to remove head and repair/replace valve(s)
38500 mi
Valve timing chain cover oil seep, remove engine install new cover gasket, new valve timing actuators, new intake gaskets, reinstall engine and set wheel alignment.
45000 mi
Replaced the water pump
8000 mi
Still experiencing hesitation in shifting despite previous flash. Found TSB #08-07-30-022 to recalibrate shift points. TCM flash completed.
26000 mi
Vehicle was overheating at low speeds. Water pump was found to be cracked and leaking. Replaced water pump under warranty.
9000 mi
Ambient Temp sensor reads wrong. Avg MPG reading gets stuck on 11.3 and will not change untill reset. Car is getting about 10 MPG.
24000 mi
Heater not working, multiple alarms, and reduced engine power. Water pump replaced.
36000 mi
Dealer found motor oil leak. Will repair when doing other repairs
37000 mi
US $250
Oil leak repaired Coolant leak repaired
122000 mi
US $600
Timing chains needed to be replaced Throwing codes p0016, p0017, p0018
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 GMC Acadia problems occur, check out our car reliability stats.