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2004 Chevrolet Monte Carlo Problems

Find the most common issues based on 2004 Chevrolet Monte Carlo owner complaints.
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Most Common 2004 Chevrolet Monte Carlo Problems

The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell ...
The speedometer or other instrument panel gauge may begin to work erratically at times. Our technicians tell us that the instrument cluster must be sent to a repair facility to correct this fault.
The mass air flow or crankshaft position sensor may fail causing the engine to intermittently stall. It may be necessary for the engine to cool down before it will restart.
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0 Known 2004 Chevrolet Monte Carlo Brakes Problems

2 Known 2004 Chevrolet Monte Carlo Drive Train Problems

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure contr...
You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned then the transmission system should be com...

5 Known 2004 Chevrolet Monte Carlo Electrical & Lights Problems

The speedometer or other instrument panel gauge may begin to work erratically at times. Our technicians tell us that the instrument cluster must be sent to a repair facility to correct this fault.
The automatic transmission shifter may fail, or a wire may break near the shifter causing the ignition key to become stuck in the ignition lock cylinder.
One or more of the power windows may stop working due to a failed window switch. Failed switches will require replacement.

11 Known 2004 Chevrolet Monte Carlo Engine Problems

The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell ...
The mass air flow or crankshaft position sensor may fail causing the engine to intermittently stall. It may be necessary for the engine to cool down before it will restart.
The water pump may develop a coolant leak resulting in an engine overheating condition.

2 Known 2004 Chevrolet Monte Carlo Exhaust & Emissions Problems

The exhaust gas recirculation (EGR) tube which connects the EGR valve to the intake manifold may develop an engine vacuum leak, causing the Check Engine Light to illuminate with code P0171 and/or P...
The crankshaft position sensor, ignition module, and/or powertrain control module (PCM) may fail resulting in illumination of the Check Engine Light with ignition system related fault codes stored ...

1 Known 2004 Chevrolet Monte Carlo Heating & Air Conditioning Problem

Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.

1 Known 2004 Chevrolet Monte Carlo Maintenance Problem

Contaminated brake fluid can cause problems in the brake system and it should be flushed every 60,000 miles.

0 Known 2004 Chevrolet Monte Carlo Miscellaneous Problems

2 Known 2004 Chevrolet Monte Carlo Suspension & Steering Problems

The high pressure power steering hose will commonly leak fluid; it should be replaced.
The steering may develop a clunk type noise from the upper intermediate steering shaft. Our technicians tell us that you should check with your local GM dealer to find out what the latest repair i...

24
Known 2004 Chevrolet Monte Carlo Problems & Complaints

One or more of the power windows may stop working due to a failed window switch. Failed switches will require replacement.
You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned then the transmission system should be com...
The mass air flow or crankshaft position sensor may fail causing the engine to intermittently stall. It may be necessary for the engine to cool down before it will restart.
There have been multiple reports of harsh or rough shifting. This can also be coupled with an inability to engage higher gears or reverse. First item to check is that the transmission fluid level i...
The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure contr...
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell ...
The crankshaft position sensor, ignition module, and/or powertrain control module (PCM) may fail resulting in illumination of the Check Engine Light with ignition system related fault codes stored ...
The speedometer or other instrument panel gauge may begin to work erratically at times. Our technicians tell us that the instrument cluster must be sent to a repair facility to correct this fault.
The automatic transmission shifter may fail, or a wire may break near the shifter causing the ignition key to become stuck in the ignition lock cylinder.
The intake manifold gasket may develop external engine oil leak. The manifold gasket will need to be replaced to correct this issue.
The engine may start and stall with the security light flashing. This is commonly caused by a failed passlock sensor which is part of the ignition lock cylinder. A secondary cause could be the igni...
The fuel pump may fail causing engine to stall and not restart.
The water pump may develop a coolant leak resulting in an engine overheating condition.
An engine oil leak may develop from the rear of the engine. This is commonly caused by a failed oil pump drive o-ring seal. The leaking o-ring should be replaced to correct this concern.
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