Re: A thread for Hydroboost (not Hydravac) questions
I have seen many over seas vac booster bad right out of the box.
Make sure the vac line is not collapsing
Make sure you don't hear hissing or whooshing noise when you press on the pedal
Put a Vac gauge on the engine and clamp off the vac line to the booster and see if the vacuum changes.
I suspect you have a bad booster
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