Oldsmobile Cutlass Supreme Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Oldsmobile Cutlass Supreme
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Oldsmobile Cutlass Supreme ProblemsIntake Manifold and PCV Vacuum Lines/Hoses Can Leak Due to Age
The upper intake manifold gasket and/or a PCV vacuum lines/hoses can develop vacuum leaks with age. This type of leak can result in a higher that normal or rough idle.
An engine oil leak may develop from the oil pump drive O-ring. This can often be confused with an intake manifold gasket leak. Careful inspection is required to determine the exact cause of the leak. Replacement of the failed 0-ring will commonly correct this concern.
Oldsmobile Cutlass Supreme QuestionsSignal lights and brake lights don't work (2 answers)
I put in a new turn signal switch and the lights still don't work
runs hor I replaced intake gasket
It only pops on @ speeds over 45 mph.Had another engine put in about two years ago.And I was told @ the time that it may returned,but it didn't until sometime last year.No-one can find the issue why.Gas cap ok.No one has a OB1 TESTER