Throttle Body Vacuum Line

If you found a vacuum leak either at the intake manifold or at the base of the throttle body first try tightening the intake or throttle body mounting bolt.

Throttle body vacuum line. Vacuum leaks can be found with a smoke machine soap water or with a flammable spray. Attach your vacuum gauge and start your vehicle s engine. Replacing the crap rubber factory vacuum lines with more crap vacuum lines. Your gauge should read between 14 and 18 inches of vacuum.

Air intake preheat system bosch cis canada fig. You should have a vacuum diagram on the cross member in front of your engine showing you where the lines coming out of the throttle body go. I disconnected the other rubber piece other side off of the intake maniold by squeezing some needle nose pliers and working it off. Tighten the bolts gradually following a crisscross pattern when tightening a manifold start at the center and work your way out.

A vacuum leak tricks the throttle body and will result in a high low idle rpm. The issue could also be an incorrectly adjusted throttle stop. Vacuum leaks are often coming from the intake manifold gasket broken vacuum hoses or the throttle body gasket. This is a component that acts as a gate keeper and establishes a minimum or maximum position for a throttle body plate to be opened or closed.

Visually check the entire length of the hose for the problem. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Throttle body vacuum connections. Access our free vacuum diagrams repair guide for volkswagen cars 2000 05 through autozone rewards.

What you can usually find locally for vacuum line is terrible. Can of starter fluid. This is awkward to get to that line runs under the plenum throttle body along the fuel line into the intake manifold. Vacuum diagram found in the factory service manual fsm 2.

Mine m116 has 3 others are different. Your mouth or another pressure source. Allow your car to idle for a couple of minutes. Cis canada fuel injection vacuum hose routing.

Vacuum hose routing cis canada. If the reading is low or non existent there s a blockage or leak in the vacuum line.