2004 Chevrolet Impala Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Chevrolet Impala
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2004 Chevrolet Impala ProblemsErratic Shifting of the Automatic Transmission
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 control solenoid.
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.
2004 Chevrolet Impala Questionssometimes my car wont start immediately, makes a sound likes it wants to (1 answer)
when I try again it will then start. Sometimes I may have to try it twice. what could it be
Connected two different auto computers and neither codes.. already replace spark plugs, lock cylinder, coolant temp sensor, thermostat.. car will crank but the motor will not start. Please I need help asap for this is my only mode of transportation for my family and I to get to work and the store..
Need to take it in to the store so they can see which one I need
2004 Chevrolet Impala RecallsEngine Oil Leaks Onto Exhaust Manifold
Engine oil can leak onto the exhaust manifold, causing a fire hazard. This concern was addressed in previous recall notifications, but improvements to the repair have been made. Dealers will make improved repairs free of charge to resolve the concern.
Engine oil may leak from the valve cover area, which can cause a burning odor and increase risk of fire. Dealers will replace the spark plug wire retainer to redirect the dripping oil on affected vehicles, and will replace the left valve cover gasket on vehicles with the 3.8L V6 supercharged engine.
Excess weight on the key ring can cause the ignition switch to move out of the run position without warning, turning off the engine. This defect can also affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. Dealers will provide two replacement key rings and key cover on all ignition keys to correct this concern.