2008 GMC Acadia GMC Acadia 2008

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2008 GMC Acadia repairs by problem area

Engine (17%)

Transmission and Drivetrain (11%)

Brakes and Traction Control (5%)

Suspension and Steering (24%)

Electrical and Air Conditioning (25%)

Paint, Rust, Leaks, Rattles, and Trim (9%)

Other (9%)

Chart based on 535 repairs.
See TSBs and recalls for the 2008 GMC Acadia.

2008 GMC Acadia engine repair cost distribution

$2500+ (4%)

$1000 - $2499 (1%)

$500 - $999 (12%)

$100 - $499 (27%)

< $100 (55%)

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

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 

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2008 GMC Acadia 4dr SUV

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

14683 mi 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. 
28000 mi Replaced intake exhaust valve 
34000 mi Coolant thermostat and water pump replaced. 
103000 mi

US $900
Purge valve. 
23000 mi Water pump leak which was then replaced 
41000 mi

US $285
Replaced camshaft position sensor in left bank 

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2008 GMC Acadia 4dr SUV

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

54000 mi

US $850
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. 
74000 mi Rough idle. No problem found. 
66500 mi

US $185
Replaced thermostat and coolant 
86000 mi check engine light. Problem... replace purge valve 
61060 mi Water pump replaced. 
64480 mi

C $400
Belt replaced 
40300 mi

US $100
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 

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2008 GMC Acadia Engine Problems

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