8-cylinder automatic 4WD
9000 mi US $600 |
Bad fuel tank sensor |
turbocharged 8-cylinder diesel automatic 4WD
3000 mi | leaking head gasket from factory. Replaced head gasket and head bolts. Possible issue with gasket or inadequately torqued head bolts from factory (GM diagnosis) Symptom was burping coolant overflow tank. |
25000 mi | EGR Cooler Bypass valve failed. Service Emission System countdown started (175 miles to limited speed). Valve was replaced - required removal of truck cab from frame for rear engine access. |
55000 mi | turbo actuator failed. Replaced entire turbo as unit. |
73000 mi | DEF tank heater |
19500 mi | Replaced leaking water pump |
23000 mi | Replace throttle position sensor. GM covered cost under 100K mile warranty. |
Engine not specified
110000 mi US $900 |
New radiator |
turbocharged 8-cylinder diesel automatic 4WD
75000 mi US $700 |
EGR valve failure. EGR cooler clogged with soot. Valve replaced under warranty. EGR cooler replaced with a combination of GM assistance and owner cost. |
84200 mi | Glow plug #2 replaced. Covered under warranty. |
95000 mi US $30 |
Replaced faulty glow plug |
73500 mi | Emissions system required a new injector and NOX sensor. |
96000 mi US $128 |
Vehicle went into Speed Limited mode - entire exhaust system replaced (at dealer expense - $2400). Vehicle again went into Speed Limited mode, rear sensors replace, $128. Seems fixed. |
122000 mi US $950 |
Service exhaust system light came on, code was to a Heater1 breakdown. Heater replaced by dealer. Four hours labor, $400 part. |
turbocharged 6-cylinder diesel automatic 4WD
49000 mi | I got an indication for "service exhaust system". The DEF tank needed replacement, was covered by GM at no cost to me. |
40000 mi | Had both NoX sensors and the DEF tank heater replaced due to check engine lights. All covered under special warranty from GM. |
8-cylinder automatic 4WD
88000 mi US $400 |
Replaced oil cooler lines |
turbocharged 8-cylinder diesel automatic 4WD
93620 mi C $500 |
Corroded fuel lines were replaced |
94860 mi C $200 |
Leaky plug on oil pan |
8-cylinder automatic AWD
250000 mi US $3215 |
throttle body and all other sensors replaced |
8-cylinder automatic 4WD
124000 mi US $85 |
Replaced downstream bank 2 oxygen sensor |
Engine not specified
73100 mi US $129 |
code p102 showed op. indicating mas sensor problem. cleaned original reinstaled error came back in week. replaced sencor with new one. no problems since. |
83000 mi US $422 |
kept going into (engine power has been reduced)and turned out a SB had been released from GM.A wiring harness was not making good connection and new wire had to be run. |
turbocharged 8-cylinder diesel automatic 4WD
133000 mi US $80 |
Replaced radiator fan |
6-cylinder automatic 4WD
65000 mi US $1000 |
Leaking water pump replaced |
Engine not specified
101000 mi US $60 |
Fuel filter plugged |
183000 mi US $2800 |
Replaced turbo |
turbocharged 8-cylinder diesel automatic 4WD
98900 mi US $500 |
Engine dies of fuel starvation. Crack in fuel filter base let air in fuel system. Replaced fuel filter mount base. |
54000 mi US $1000 |
turbocharger oil return line leak |
169700 mi US $75 |
Replaced worn thermostats |
89000 mi US $120 |
Replaced fuel filter head (with new filter also). The orings were bad and was leaking fuel through the primer pump |
8-cylinder automatic 2WD
15000 mi US $75 |
Replaced defective Vapor Canister Vent Valve Solenoid. |
68000 mi US $93 |
Replaced for second time a defective EVAP solenoid valve. |
90000 mi US $87 |
Replaced clogged fuel evap canister. Engine code P0446 continues as well as slow fuel filling at pump. Will check fill tube with endoscope for obstruction. |
124996 mi US $55 |
Vapor Canister Purge Valve |
128500 mi US $78 |
Check engine code P0446 set. Replaced Vapor Canister Vent Valve Solenoid. Would not seal due to dirt and dust. Included a secondary filter as a preventative measure. |
Engine not specified
167000 mi US $700 |
Fuel injector replaced. |
180680 mi C $2160 |
Turbo failed and was replaced Injectors replaced |
97340 mi | new plugs |
207000 mi US $1300 |
Idler pulley froze up. Upon arriving at the dealer noticed the alternator bearing was loose |
104000 mi | Oil leak found. Dealer traced it to bad oil filter seal. Replaced filter and topped off oil. No charge. |
124000 mi US $1100 |
Oil pan gasket leaking; replaced |
100000 mi US $250 |
Bare wire going to the crank sensor |
76880 mi C $250 |
Idler pulleys for serpentine belt failed and broke belt |
turbocharged 8-cylinder diesel automatic AWD
305000 mi US $1700 |
Egr went bad. |
316000 mi US $400 |
Water pump failure |
103000 mi US $55 |
oil dipstick broke, replaced with new one. |
turbocharged 8-cylinder diesel automatic 4WD
86200 mi US $220 |
Water pump failed. Pump is gear driven, and very difficult to replace. |
87500 mi US $5200 |
Blown head gaskets. Bad turbo sensor. Bad batteries, four bad glow plugs... |
115700 mi US $120 |
Fuel leak, not fixed |
113500 mi US $1690 |
Cracked & leaking fuel injector, cylinder 2 |
133000 mi US $1200 |
MAF wire broken. Repaired wire. |
Engine not specified
109600 mi US $300 |
Check engine light on for faulty glow plug |
74000 mi US $450 |
Water pump replacement |
153000 mi US $4000 |
replaced leaking fuel injectors, lousy GM problem running away from a needed recall "extended warranty" |
155000 mi US $200 |
replaced water pump |
97000 mi US $200 |
Glow plug controller |
99000 mi US $330 |
Idler pulley bearing ceased up and shredded the serpentine belt. Was about 3 miles from dealer and able to drive without power brakes / steering. |
turbocharged 8-cylinder diesel automatic 4WD
131300 mi US $400 |
OBDII Code P0238: Bad Turbocharger sensor needed to be replaced (required removing part of cooling line for access) |
146000 mi US $1800 |
Radiator replaced - factory original broke when shop was replacing transmission lines |
147000 mi US $225 |
Replaced leaking radiator hose |
155000 mi US $150 |
Exhaust pressure code thrown, slight "whistle" when operating while engine is cold or under heavy load. Problem was not pinpointed, will attempt a repair later. |
turbocharged 8-cylinder diesel automated manual 4WD
71000 mi US $119 |
Glow plug module control circuit Engine Code P0670. I replaced the Glow plug control circuit module with a new one and it fixed the problem. |
87000 mi US $917 |
Water pump replaced 89000 miles |
8-cylinder automatic 4WD
232000 mi US $250 |
Fuel lines rusted through. |
106000 mi US $30 |
Replaced a broken exhaust mount. |
106327 mi US $50 |
Replaced coolant reservoir, which had become opaque (and sludged) making the coolant level impossible to see. |
133760 mi C $6065 |
Engine was replaced with engine from an auto wrecker. The head gasket had gone. |
8-cylinder automatic 2WD
138000 mi US $580 |
Replace oil pan, front and rear seals and cover gaskets. Timing service and water pump |
147000 mi US $800 |
O2 sensor. |
104000 mi US $60 |
Emissions dash light...faulty gas cap |
Engine not specified
48000 mi US $7200 |
Lower radiator clamp broke, slowly leaked coolant, engine over heated, flushed coolant system, changed oil and filter. Everthing OK. |
49000 mi US $40 |
Enigne light came on at 70MPH. Checked with OBD II, indicated a mis-fire. Turned to be an O2 sensor, right bank. Repaired by owner. |
55000 mi US $200 |
check engine light on, replaced 1 of 4 oxygen sensors. apparently replaced wrong one, within a month light came on again. decided not to continue to replace the other 3 @$200 each. |
71000 mi US $600 |
Earlier decided to live with bad O2 sensor, but vehicle needed smog test. Cost another $500 to put the correct senors in. Still need $50 smog test, must drive till codes reset. |
105000 mi US $1800 |
The bad injectors were let diesel into my oil. |
128340 mi C $2100 |
Injectors replaced. I provided parts. The whole thing turned into a nightmare. Injector failed after 1000 km. Valve covers damaged. Remedial repairs required. |
130820 mi C $800 |
Lost oil pressure. Duramax engine is toast. Probably main bearing.. |
8-cylinder automatic 4WD
56000 mi US $150 |
Engine was stumbling once warmed up and under load (even pulling empty). Installed all new plugs, which did not rectify the problem, and then installed new wires, & coils. |
8-cylinder automatic 2WD
137000 mi US $200 |
Fuel pump failed and was replaced after lifting the bed off of the frame to access the tank. |
8-cylinder automatic 4WD
167000 mi US $10 |
replaced broken heater core inlet hose quick connect fitting |
173100 mi US $100 |
Radiator had a relatively small leak, where transmission cooling line attached. Replaced radiator. |
8-cylinder automatic 2WD
195000 mi US $150 |
Replaced leaking water pump and belts. |
Engine not specified
145000 mi US $150 |
Slight oil leak from seal |
8-cylinder automatic AWD
135000 mi US $160 |
Oil sensor on bottom of pan was leaking |