Car Problem Reports

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The transmission has numerous problems; symptoms can range from shuddering to completely dying. The majority of the TSBs (service bulletins) require an overhaul of the transmission. Updated internal parts are available. 
The transmission has numerous problems; symptoms can range from shuddering to completely dying. The majority of the TSBs (service bulletins) require an overhaul of the transmission. Updated internal parts are available. 
The transmission has numerous problems; symptoms can range from shuddering to completely dying. The majority of the TSBs (service bulletins) require an overhaul of the transmission. Updated internal parts are available.  
Carbon buildup on the top of the piston is common. As the buildup increases with mileage and over time, symptoms vary from light ticking, to ticking/hammering, to hammering/knocking noises. Fuel injector cleaner often solves the problem.
Often when replacing the front left wheel speed sensor, the wrong part is used (it's from a later model year). If the wrong sensor is used, it can damage the wheel speed sensor wiring.

Dry suspension components can cause a spring-type pop when it moves. Lubricating the suspension will stop the noise.

Oil leaks can develop in the crankcase ventilation hoses, in between the cylinder banks.

An oil leak can develop at the rear stationary gear seal and O-ring, at the rear of the engine. Our technicians report that transmission removal is required to gain access to the components.

A knocking noise over bumps from the front or rear of the car can be caused by a broken upper strut mount
It is important to regularly check the valve clearance as the exhaust valves may become too tight. This will lead to valve failures which are expensive to repair.
It is important to regularly check the valve clearance as the exhaust valves may become too tight. This will lead to valve failures which are expensive to repair.
Our technicians tell us it is very important that the rear level sensor is properly bled after any brake work or the rear brake stopping efficiency may be compromised.
It is very important that the rear level sensor is properly bled after any brake work or the rear brake stopping efficiency may be compromised.
The idler arm or pitman arm in the front suspension may wear causing excess play in the steering and front end alignment problems.
Glow plug failure is common and results in extended crank time when the engine is cold.
Problems with air leaks and the fuel injection may cause starting difficulties.
Serious engine damage due to timing chain failure can occur.
The engine may not crank when the key is turned to "start" if the starter relay fails. This can be confused with a defective starter motor.
The engine may not crank when the key is turned to "start" if the starter relay fails. This can be confused with a defective starter motor.
The ignition coil may intermittently fail and cause drivability problems.
The center console has a tendency to warp. Replacing the warped console will repair the problem.
3.5L V6
A problem with the PCV system may cause excessive oil consumption or the vehicle to emit blue smoke (burning oil) at high engine speeds (RPM). Too much vacuum allows oil to be drawn into the intake.

If the vehicle fails the “State Smog Test” due to high emission readings, components in the pollution control system (air injection components) may have failed due to moisture and may need to be replaced.

The rear Oxygen sensors are a critical element in fuel control (unlike other vehicles) and can cause an emissions test failure for high CO and HCs. The sensing element cracks and and reports an erroneous steady state lean condition which confuses the computer, which in turn makes the fuel mixture overly rich.
The rear Oxygen sensors are a critical element in fuel control (unlike other vehicles) and can cause an emissions test failure for high CO and HCs. The sensing element cracks and and reports an erroneous steady state lean condition which confuses the computer, which in turn makes the fuel mixture overly rich.
The rear Oxygen sensors are a critical element in fuel control (unlike other vehicles) and can cause an emissions test failure for high CO and HCs. The sensing element cracks and and reports an erroneous steady state lean condition which confuses the engine computer.
Oil feed tubes break and fall into the crankcase (engine) and the tappet becomes noisy (ticking), resulting in degraded idle quality. Our technicians recommend replacing all of the tubes at the same time, broken or not.
The rubber boot connecting the throttle body to the intake manifold tends to crack. This can cause hard starting, rough or erratic idle, and engine performance problems.
The timing chain and timing chain guides wear; they should be replaced every 100,000 miles.