1990 Pontiac Grand Am Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 Pontiac Grand Am
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
1990 Pontiac Grand Am ProblemsOil-soaked spark plug wire rubber boots can cause misfire or rough idleInspect transmission/fluid every 30,000 miles
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 completely flushed.
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.
1990 Pontiac Grand Am QuestionsWhy 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,crank sensor,