| 1 | 0 | 3 | 4 | 3 | 4 |
GMC Sierra HD repairs by problem area
Engine (30%)
Transmission and Drivetrain (15%)
Brakes and Traction Control (9%)
Suspension and Steering (18%)
Electrical and Air Conditioning (23%)
Paint, Rust, Leaks, Rattles, and Trim (4%)
Other (2%)
Chart based on 131 repairs.
GMC Sierra HD engine repair cost distribution
$2500+ (11%)
$1000 - $2499 (21%)
$500 - $999 (11%)
$100 - $499 (29%)
< $100 (29%)
Chart based on 38 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2018 GMC Sierra HD 4-door
turbocharged 8-cylinder diesel automatic 4WD
| 7000 mi | Air filter was sucked into intake, and vehicle could not regen the exhaust filter on its own. Engine Derated. Mechanics had to do a parked regen 4 times to get the regen to complete and warning lights to go off. |
2015 GMC Sierra HD 4-door
turbocharged 8-cylinder diesel automatic AWD
| 39060 mi | Lower oil pan gasket |
| 66874 mi C $100 |
O ring leaking motor oil at high pressure fuel injection pump |
2015 GMC Sierra HD 4-door
turbocharged 8-cylinder diesel automatic 4WD
| 38000 mi | Check engine light came on, called OnStar to check it for me and it was the antipollution system and Ontar said I should make an appointment within 7 days, I did, the morning I was taking the truck into the dealer 1 hour away the check engine light did not come on, cancelled the appointment. From the time the light first came on I used the truck 3 - 4 times. The Def/antipollution system does not like short trips and starting and stopping. |
2015 GMC Sierra HD 4-door
8-cylinder automatic 2WD
| 41000 mi | No crank. ECU was bad. |
2012 GMC Sierra HD 4-door
turbocharged 8-cylinder diesel automatic 4WD
| 54000 mi US $150 |
DEF tank electronics failure. Kept showing mileage count down warning despite fill tank. Replaced something that they had to order. |
| 56000 mi US $2500 |
Intermittent thick smoke from exhaust pipe. |
| 77000 mi US $25 |
Replace #6 cylinder glow plug |
2011 GMC Sierra HD 4-door
turbocharged 8-cylinder diesel automatic 4WD
| 33200 mi US $500 |
Throttle body |
2011 GMC Sierra HD 4-door
turbocharged 8-cylinder diesel automated manual 4WD
| 57040 mi C $900 |
fuel filter needed to be replaced |
2008 GMC Sierra HD
Engine not specified
| 98600 mi | Water pump leak. |
| 123000 mi US $300 |
Replaced two glow plugs in diesel engine. |
| 73000 mi | Glow plug non functioning check engine light on. 4th glow plug to be replaced. |
2007.5 GMC Sierra HD
Engine not specified
| 43400 mi C $176 |
Clicking when starting, error code, running rough |
2007.5 GMC Sierra HD 4-door
turbocharged 8-cylinder diesel automatic AWD
| 113460 mi | Replace one glow plug with a good used one. |
2006 GMC Sierra HD
Engine not specified
| 135000 mi US $500 |
Water pump dripping, replaced pumps, all associated hoses |
2006 GMC Sierra HD 4-door
turbocharged 8-cylinder diesel automatic 4WD
| 77000 mi US $32 |
Replace two glow pugs. |
2005 GMC Sierra HD
Engine not specified
| 148700 mi US $1100 |
Turbo sensor had failed, causing the check engine light to come on. |
| 160000 mi US $5600 |
Engine required an injector to be replaced. All 8 were replaced at the same time. |
2005 GMC Sierra HD 4-door
turbocharged 8-cylinder diesel automatic 2WD
| 107500 mi US $120 |
Engine water pump developed leak through weep hole. Also replaced lower radiator hose and coolant. |
2004.5 GMC Sierra HD
Engine not specified
| 151000 mi US $795 |
Changed antifreeze after the flush and drained the water pump started to leak. |
2004 GMC Sierra HD
Engine not specified
| 64200 mi US $1000 |
Oil pump O-ring failed. Replaced oil pump. |
| 72300 mi US $1000 |
Oil pump o-ring failure. |
| 103000 mi | Knock sensors started disagreeing, causing the computer to warn of failure of one or both sensors. Intake manifold had to be removed to access and replace the sensors. |
2004 GMC Sierra HD 4-door
turbocharged 8-cylinder diesel automatic 4WD
| 165000 mi US $200 |
Replace glow plugs and buss bars. |
| 165000 mi US $2250 |
Replace injectors, glow plug, thermostats, adjust valves, rebuild fuel filter head pump. |
2003 GMC Sierra HD
Engine not specified
| 92000 mi US $1400 |
Fuel lines were rusted and leaking. |
| 152500 mi US $1400 |
Water pump failure. Replaced part. |
2003 GMC Sierra HD 4-door
turbocharged 8-cylinder diesel automatic 4WD
| 97900 mi US $1300 |
Symptom of long cranking time while starting. (DURAMAX Diesel) Diagnosed as needing all new fuel injectors. Initial bill was $5800. Negotiated to get GM to cover parts given bulletin on FI failure. |
| 118000 mi US $2500 |
Fuel lines near tank were corroded and failed. Upgraded to aftermarket lift pump and filtration system and replaced all fuel lines. |
| 149000 mi US $4000 |
Fuel injectors were failing and needed to be replaced. |
| 117000 mi US $300 |
Water pump, which has one fastener behind harmonic balancer and 275# bolt. $1200 pro estimate. |
| 128200 mi US $75 |
The power steering pump I replaced earlier (without reservoir) began leaking badly from the reservoir seal and had to be replaced again. In fairness to GMC, this was a part supplier issue and I used a "with attached reservoir" this time. |
| 140000 mi US $120 |
Cracked fuel filter head |
| 166000 mi US $2000 |
Injectors had been hazing at idle for months and finally became too bad to endure. R&R all 8. |
2002 GMC Sierra HD
Engine not specified
| 207200 mi US $200 |
Service light came on, code read "knock sensor 2" so replaced both knock sensors and had to remove intake manifold to get to them |
2002 GMC Sierra HD 4-door
8-cylinder automatic 4WD
| 90800 mi US $11 |
new starter relay |
| 103000 mi US $150 |
Replaced fuel pump |
2000 GMC Sierra HD
8-cylinder automatic 4WD
| 165000 mi US $200 |
Water pump replaced |
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