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2004 Chevrolet Impala SS Problems

Engine Overheating Due to Water Pump Leak

for the Chevrolet Impala SS

The water pump may develop a coolant leak resulting in an engine overheating condition.

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Intake Manifold Gasket May Leak Engine Oil

for the Chevrolet Impala SS

The intake manifold gasket may develop external engine oil leak. The manifold gasket will need to be replaced to correct this issue.

3 Reports

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Serpentine Belt Tensioner Pulley May Wear Out

for the Chevrolet Impala SS

The serpentine belt tensioner pulley may wear out. Our technicians tell us that in order to get a new pulley from General Motors you must purchase a complete belt tensioner assembly.

3 Reports

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High Pressure Power Steering Hose Can Leak Fluid

for the Chevrolet Impala SS

The high pressure power steering hose will commonly leak fluid; it should be replaced.

3 Reports

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Speedometer or Other Instrument Panel Gauge May Work Erratically

for the Chevrolet Impala SS

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.

3 Reports

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Engine Starts and Stalls Due to Secutiry System Fault

for the Chevrolet Impala SS

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 ignition switch itself. Worn contacts inside the ignition switch can cause voltage drop issues which can affect the passlock system. Proper diagnoses should be performed before replacing any parts.

2 Reports

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Check Engine Light due to vacuum leak in EGR tube

for the Chevrolet Impala SS

The EGR tube may develop an engine vacuum leak causing the Check Engine (SES) light to illuminate.

2 Reports

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Stalling Due to Mass Air Flow or Crankshaft Position Sensor Failure

for the Chevrolet Impala SS

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.

2 Reports

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