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Not in the vacuum line.
The vacuum modulator is located on the passenger side of the transmission, just above the tranny oil pan. It has a vacuum line going to it. It actuates a valve in the tranny for upshifts.
Where are the vacuum hose located at on '97 Pontiac grand am? Where are the vacuum hose located at on '97 Pontiac grand am?
a vacum works with the tranny to Shift an automatic vehicle
ontop of the tranny
The 2000 Pontiac Montana does not have a vacuum modulator installed on it. Instead, it has an electronically controlled transaxle.
NO. That year transmission is electronic controlled. NO vacuum source needed.
It does not have one.
Chech ALL vacuum hoses. The tranny shifts by monitoring vacuum pressure.
97 trans am vacuum schematics
The vacuum line diagram for a 2005 Pontiac Grand Prix can be found in the service manual. Vacuum is provided by the engine and leaks can cause serious performance issues.
A diagram for the vacuum hoses on a 1997 Pontiac Sunfire is located in the service manual. It outlines where each hose goes and its function.