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Old 11-11-2010, 10:51 AM
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Brake Booster Vacuum Connection

Hey all.
Was looking at my brake booster and where the hose comes from. It looks like in pics that there's a piece coming out from the hole which then connects to the hose. I just have a rubber grommet on it. Does that connector have a name or is it anything special? I don't see any threading inside the booster, so does it just pop in? Any help is appreciated. Thanks

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Old 11-11-2010, 11:15 AM
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I think you may be referring to the power brake booster check valve.

The check valve (shown below) is the plastic part that plugs into a rubber grommet on the booster itself. You can get one from any auto parts store, <$10.00. I believe I've seen them on the "HELP" parts asile. A Delco part would be preferred, IMO.

The booster needs to be supplied by manifold vacuum, and needs to be a large line- (~3/8" ID?) and not the 1/8" vacuum lines like used for vacuum advance, etc.

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Old 11-11-2010, 11:18 AM
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Quote:
Originally Posted by cobalt327
I think you may be referring to the power brake booster check valve.

The check valve (shown below) is the plastic part that plugs into a rubber grommet on the booster itself.

The booster needs to be supplied by manifold vacuum, and needs to be a large line- (~3/8" ID?) and not the 1/8" vacuum lines like used for vacuum advance, etc.
Nice nice. Thanks. Is this available at my local auto parts store?
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Old 11-12-2010, 01:25 PM
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Quote:
Originally Posted by david-b
Nice nice. Thanks. Is this available at my local auto parts store?
Yes...
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