Question about 1994 Chevrolet Camaro

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I have a 94 v6 camaro and am missing a vacuum line on the manifold. One side is connected to the brake booster hose. What goes on the other side?

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Sounds like, there is no power brakes if the hose is not connected to the brake booster. There should be a massive vaccuum leak in the engine. The brake booster vaccuum line is a major vaccuum. You should hear a hissing sound when engine is running. Find the hissing noise and replace as nessessary.

Posted on Jul 23, 2009

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Evap system to fuel tank

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The drawing you provided on another post shows one of the two connections. It is the hose that goes to the canister in the lower right corner of the drawing. Most likely the other hose goes to the Power Brake Booster. It gets a direct vacuum source from the engine as well, and it is usually directly from the intake manifold. That is not depicted on this diagram.

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Where would i install a vacuum gauge on 1994 camaro 3.4l v6? it seems impossible to get to the fitting at the back of the motor.

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It sounds to me like there is still a pretty good vacuum leak somewhere, and you should also check for any dis-connected or missing vacuum lines on the intake manifold, at the carburetor, and the large vacuum hose to the brake booster unit and the vacuum valve at the brake booster unit for any vacuum leaks or broken vacuum lines/hoses, and they can be hard to find because cracks in the vacuum hoses like to hide on the under-side of the vacuum lines/hoses especially the hard plastic ones. Also the carburetor could be loose or the carburetor base gasket could be damaged, the EGR valve gasket could be damaged, or the intake manifold gasket could be damaged, and these are all the most likely places to suspect a major vacuum leak.

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