Persistant vacuum leak
Moderator: martauto
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xavier
- E30 Zone Regular

- Posts: 743
- Joined: Thu May 29, 2008 11:00 pm
- Location: Western Australia
I am just recommissioning my E30 after a 3 month lay up. I had a few vacuum leaks. Most responded well to a new hose or clamp. The small elbow that has a pipe leading to the brake booster still will not seal well. Can I use some permatex gasket maker to seal it in? I have read this is OK.
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aimlessrock
- E30 Zone Squatter

- Posts: 1821
- Joined: Sun Dec 06, 2009 11:00 pm
- Location: Manchester
whats your engine type?
E30 320i Convertible (1989)
190 Mercedes (1988)
"there is nothing more expensive than a cheap E30"
190 Mercedes (1988)
"there is nothing more expensive than a cheap E30"
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xavier
- E30 Zone Regular

- Posts: 743
- Joined: Thu May 29, 2008 11:00 pm
- Location: Western Australia
M20. Early L jet injection. It also had all the mad smog stuff that was fitted to Scandanavian and Australian beemers. I have removed most of the smog stuff and fitted the later exhaust manifold.
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xavier
- E30 Zone Regular

- Posts: 743
- Joined: Thu May 29, 2008 11:00 pm
- Location: Western Australia
The sealant did the trick. Vacuum leaks sorted. Running better.
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bosers
- E30 Zone Regular

- Posts: 496
- Joined: Sat Jun 29, 2013 11:00 pm
- Location: Devon
I once had a persistent vacuum leak that the garage couldn't find. They were apparently BMW specialists. After some investigation it turned out to be the rocker cover gasket.
Gotta watch these 'specialist' people!
Gotta watch these 'specialist' people!
