1990 Chevrolet Suburban 1500 Repair and Maintenance Costs
A guide to repairs, service, and maintenance costs for your 1990 Chevrolet Suburban 1500
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1990 Chevrolet Suburban 1500 ProblemsPower Door Lock Actuators May Fail
The power door lock actuators may become slow to operate or stop working completely and require replacement.
The intake manifold gasket may develop an external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Running the engine with a coolant/oil mix may result in engine damage. Replacing the intake manifold gasket should correct this issue.
1990 Chevrolet Suburban 1500 Questionsengine gets spark, wont start. could it be fuel (1 answer)
suspect fuel pump
make alot of noise when driving around 70mph
wher is the flap actuator located ? can it be repaired or need to b replaced i don't know what it looks like