| 1 | 0 | 3 | 4 | 3 | 4 |
2008 GMC Sierra 1500 repairs by problem area
Engine (25%)
Transmission and Drivetrain (8%)
Brakes and Traction Control (1%)
Suspension and Steering (14%)
Electrical and Air Conditioning (35%)
Paint, Rust, Leaks, Rattles, and Trim (11%)
Other (5%)
Chart based on 80 repairs.
2008 GMC Sierra 1500 engine repair cost distribution
$2500+ (0%)
$1000 - $2499 (11%)
$500 - $999 (11%)
$100 - $499 (28%)
< $100 (50%)
Chart based on 18 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2008 GMC Sierra 1500 4dr Extended Cab 8ft bed
315-horsepower 5.3L V8 4-speed automatic 4WD w/low range
| 170000 mi US $10 |
Gas cap was replaced after MIL activated and code was for gross leak. |
2008 GMC Sierra 1500 4dr Extended Cab 6.5ft bed
367-horsepower 6.0L V8 4-speed automatic 4WD w/low range
| 101000 mi US $100 |
P1113 code. Engine light on indicates oxygen sensor. Cleared code and engine light comes on two days later |
2008 GMC Sierra 1500 4dr Extended Cab 6.5ft bed
315-horsepower 5.3L V8 4-speed automatic 4WD w/low range
| 13000 mi | Truck stopped running while parked and while driving down the highway!! Bad PCM circuit, new PCM was installed and programmed. |
| 35000 mi | Squeaking noise upon start up and idle. They could not duplicate until I went to pick it up. Then it did it again. I will have to bring back when I have more time. |
| 20000 mi | Oil leak on engine above oil filter housing. |
| 21000 mi | Engine oil leak from oil pan gasket. Dealer replaced gasket under warranty. |
2008 GMC Sierra 1500 4dr Extended Cab 5.5ft bed
315-horsepower 5.3L V8 4-speed automatic 4WD w/low range
| 32000 mi | Check engine light, software issue resolved in under an hour. |
2008 GMC Sierra 1500 4dr Extended Cab 5.5ft bed
295-horsepower 4.8L V8 4-speed automatic RWD
| 64000 mi US $100 |
Evaporative Solenoid failed and needed replaced. Replaced evaporative solenoid and lines. |
| 65100 mi | Throttle Body was replaced under warranty. |
| 78000 mi US $1755 |
Lifter bearing went bad on #8 cylinder which chewed up crank. Engine was also full of carbon. Engine replaced under extended warranty.Owner paid for difference between new and used engine. |
2008 GMC Sierra 1500 4dr Crew Cab 5.5ft bed
403-horsepower 6.2L V8 6-speed shiftable automatic AWD
| 60000 mi US $978 |
Dripping oil from the oil pan. Replaced oil pan gasket and oil cooling hoses. |
| 69000 mi US $200 |
Check engine light with error code p1175, shop recommended cleaning the fuel injectors through the throttle body. Light went off for 3 days, then back on. |
| 56000 mi | Check engine light still on when traded. |
2008 GMC Sierra 1500 4dr Crew Cab 5.5ft bed
315-horsepower 5.3L V8 4-speed automatic 4WD, part-time w/low range
| 88040 mi C $360 |
Known issue on TSB relocation of gas tank vent solenoid valve which stopped working causing mass vent leak and check engine light. |
2008 GMC Sierra 1500 4dr Crew Cab 5.5ft bed
315-horsepower 5.3L V8 4-speed automatic 4WD w/low range
| 66000 mi | oil pan gasket leak |
| 142000 mi US $75 |
Oil pressure sending unit was replaced as oil pressure is starting to fall while driving. The repair did not fix the problem. The oil pump/pickup tube gasket are next on the list. |
2008 GMC Sierra 1500 4dr Crew Cab 5.5ft bed
295-horsepower 4.8L V8 4-speed automatic 4WD, part-time w/low range
| 76 mi US $1200 |
Replaced ECM |
2008 GMC Sierra 1500 4dr Crew Cab 5.5ft bed
295-horsepower 4.8L V8 4-speed automatic 4WD w/low range
| 19840 mi | Check engine light was on, replaced something in fuel system. Evaporator canister? |
2008 GMC Sierra 1500 2dr Regular Cab 8ft bed
295-horsepower 4.8L V8 4-speed automatic RWD
| 95000 mi US $750 |
sensor failure |
2008 GMC Sierra 1500 2dr Regular Cab 6.5ft bed
195-horsepower 4.3L V6 4-speed automatic RWD
| 25300 mi US $190 |
Fuel tank evap selenoid |
See TrueDelta's information for all Pickups
See TrueDelta's information for all GMC models.
