VACUUM PUMP FAILURE! Are you neglecting yours??

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VACUUM PUMP FAILURE! Are you neglecting yours??

#11

06-24-2012, 09:35 PM

funola

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Join Date: May 2005

Location: NYC

Posts: 8,249

Quote:

Originally Posted by whunter

I am modeling this, and will test it on an engine shortly.

On a new or low mile vacuum pump attached to a good sealed vacuum system, this sounds correct.

Sadly many systems leak, and the vacuum pump is tired.

May I suggest:

1. Start with a brand new vac pump, ideally a piston type.

2. Drill a hole on the casing such that a borescope can be inserted, focusing on the cam and cam follower and shoot a video of the test.

Seeing is believing!

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