Quote:
Originally Posted by Stl-986
yes, it can. Once you fix that, check for more leaks. I would grab a vacuum gauge from HF (they are cheap) and then see what you are getting with the car running. You can also use one of those handheld mini vacuum pumps that some use for doing brake bleeding. You should be able to hold vacuum if there are no leaks. Just T it into the line off the check valve.
One thing a smoke test wont tell you always is if the reservoir is cracked. They can crack on the underside which only shows up when there is vacuum.
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How are you going to hold vacuum with a handheld mini vacuum pump on the intake system?
Your going to pull air past the throttle plate (butterfly).
So you would have to seal the throttle body.
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