2004 Chevrolet Impala SS Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Chevrolet Impala SS
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2004 Chevrolet Impala SS ProblemsSerpentine Belt Tensioner Pulley May Wear Out
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.
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 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.
2004 Chevrolet Impala SS QuestionsWhat is causing my heater to shut off (mostly when going over a bump)? (1 answer)
My heater is shutting off intermittently as are my directionals (both). The heater seems to shut off when i go over a bump. The directionals seem more random.
Generally my directionals work when I first start the car but then fail at different points during the day. Both directionals fail and I have tried replacing the fuse.
When I am at a stop and I start from a stop it like hits hard or like a little jerk or slip not sure but only from a complete stop and not always