1990 Pontiac Grand Am Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Pontiac Grand Am

1990 Pontiac Grand Am Problems

Intake Manifold Gaskets May Leak Coolant or Engine Oil

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 us that operating the engine  with a coolant/oil mix can result in internal engine damage. Replacing the intake manifold gasket should correct these leaks.

Timing gears can cause knocking sound
Timing gears may wear causing a mild to severe knocking noise from the front of the engine. Replacement of the timing gears is necessary.
Engine Control Module (ECM) can fail

The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.

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1990 Pontiac Grand Am Questions

Why isn't my AC Blowing cold air? (2 answers)

I just had my heater core replaced because my car was leaking coolant from hose underneath towards passenger side. Although my heat was working great. Now that it's summer I'm finding out that my AC is not blowing cold air

Car cranks but won't start,replaced fuel pump,fuel spray,fuel filter (2 answers)

Car cranks but won't start replaced fuel pump,fuel spray,fuel filter,crank sensor,

I do not have power windows. my crank is frozen. (1 answer)

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