505-horsepower 7.0L V8 6-speed manual RWD
11000 mi | CEL on again. Right bank cat problem. |
13000 mi US $85 |
reflash ecu for intermittant cel |
31000 mi US $2000 |
Worn valve guides, requiring cylinder head service, including new exhaust valves, new guides, and valve job. |
8000 mi | CEL came on. GM recalibrated the O2 sensors. CEL cleared and has not returned in 3+ weeks |
19500 mi | Water Pump was leaking a small amount. |
22000 mi | Was at a track event & noticed a significant amount of oil on the garage floor when the car was moved. Upon inspection found the crimps on the oil cooler line were coming apart and oil was spraying all over the bottom of the engine & car. |
22000 mi | Have been chasing a major oil leak since Oct. 2010. First repair replaced oil cooler lines, second repair replaced oil pan gasket, third repair replaced front cover gasket. Symptom was an oil leak when engine speed went over 5500 rpms. |
26000 mi | Engine dropped an exhaust valve on August 30th, car was towed to dealer on August 31st. Engine replaced under warranty, got car back on Oct. 11th. Taking back next week for failed catalytic convertor due to coolant flowing thru exhaust. |
26000 mi | When received car after engine was replaced a check engine light appeared within 3 miles of the dealership. Took car back & they used Tech II clear catalytic convertor efficiency code. After a trip returned to get convertor installed. |
30500 mi US $10 |
Seal holding tube inside dry sump tank slipped and allowed tube to rattle inside the tank. |
36000 mi | Crankshaft pulley separated from the engine balancer. Dealer replaced the balancer/crankshaft pulley, the bolt that holds the balancer on the crankshaft and the accessory belts. |
436-horsepower 6.2L V8 6-speed shiftable automatic RWD
68472 mi US $1363 |
Replaced water pump due to seal leakage |
12000 mi US $50 |
NPP was not working properly. replace solenoid valve |
21900 mi US $158 |
Mass Air Flow Sensor changed out as dealer said the air filter housing had gotten loose. |
436-horsepower 6.2L V8 6-speed manual RWD
36000 mi | Unknown emissions recall |
46000 mi US $100 |
warning light on the dashboard indicated low coolant light, was a bad sensor on the engine and was replaced by owner. |
97 mi US $300 |
Fuel Sending Unit developed Crack, was leaking gas. Replaced Fuel Sending Unit |
154792 mi US $56 |
Replaced control solenoid for the dual-mode exhaust. |
19000 mi US $14 |
Gas cap had to be replaced due to error code and check engine light. Fairly common problem. If code comes back I'll have to take the car to a dealer for further diagnostics |
19200 mi US $50 |
Emission system, fuel valve solenoid had to be replaced. Also needed an adapter cable so original wire would fit the new part. |
430-horsepower 6.2L V8 6-speed shiftable automatic RWD
19840 mi C $75 |
Had check engine light on, our son diagnosed it as an issue with the fuel system and a new part was put in. To do with the emissions side of the fuel tank. |
55000 mi US $55 |
oil pan leak |
430-horsepower 6.2L V8 6-speed manual RWD
20460 mi C $186 |
Solenoid and harness needed replacement as Engine emissions light stayed on |
7000 mi | Engine oil leak from top of oil pan. Replaced oil pan gasket. |
36200 mi US $2500 |
Oil Pump died... |
40200 mi US $100 |
Car overheating. Water pump replaced. |
436-horsepower 6.2L V8 6-speed shiftable automatic RWD
17000 mi US $74 |
Shift hesitation on A6 - hunting for correct gear. |
24000 mi | Water pump leak requiring replacement |
25000 mi | Continuation of the Service Active Handling issues |
12000 mi US $150 |
DTC P0300 engine misfire and Service traction control system. 2 spark plugs failed - replaced all. Replaced battery. |
430-horsepower 6.2L V8 6-speed shiftable automatic RWD
41000 mi US $1100 |
leaking oil pan |