Vacuum Supply
WARNING: This page is about a different car, the 1995 Dodge Ram Wagon and 1995 Dodge Ram Van. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect vacuum hose at speed control servo. Install vacuum gauge into disconnected vacuum hose. Start engine and allow to idle. Observe gauge. Vacuum reading should be a minimum of 10 in. Hg. Turn engine off. Vacuum should continue to hold at a minimum of 10 in. Hg.
- If vacuum is not as specified, check for kinked or leaking vacuum lines, defective check valve, defective vacuum reservoir and/or poor engine performance. If no problems are found, check speed control servo. See SPEED (CRUISE) CONTROL SERVO under TESTING.