» Intake Manifold and PCV Vacuum Lines/Hoses Can Leak Due to Age
Pontiac Grand Prix
Report: Intake Manifold and PCV Vacuum Lines/Hoses Can Leak Due to Age
Pontiac Grand Prix Problem
Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996
Engines Affected: 3.1L V6, 3.4L V6
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.
Where are the vacuum lines located
Q&A > Pontiac > 1994 Pontiac Grand Prix
where is the pcv located? is not where the vacuum hose routing diagram shows
Q&A > Pontiac > 1992 Pontiac Grand Prix
when you start the engine it idles fine for 2 to 3 seconds then shuts off. if you rev the engine up and down at 3 to 4 thousand rpm you can keep it running but if you hold a steady throttle or let ...
Q&A > Pontiac > 2000 Pontiac Grand Prix
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 ...
Common Problems > Pontiac Grand Prix
I have had an overheat issue. also water/steam comming out tailpipe. pulled intake manifold and found gasket was bad and manifold was cracked at center rear cylender. I dont see the conection betwe...
Q&A > Pontiac > 2002 Pontiac Grand Prix