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Old 08-23-2009, 01:29 AM
Corey Corey is offline
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Join Date: Nov 2007
Posts: 19
Quote:
Originally Posted by Skippy View Post
Should I loosen up the hanger at the transmission, get the pipe well aligned to the manifold and tightened down before re-tightening the hanger? Any other ideas?
That's what I would do. Working on that connection in the past, I could see how you might not get a good seal if you don't tighten it down with all other tension off the pipe. That might mean disconnecting the rest of the exhaust system to get the weight off the end of the pipe, too.

The only time I've fiddled with this connection is when I was replacing the pipe connected to the manifold due to corrosion more distally. In that case, I removed the rest of the exhaust system, connected the new pipe to the manifold securely, and then tightened the hanger at the transmission and put the rest of the exhaust system back on. But that's because I was replacing the pipe.

Quote:
Originally Posted by Skippy View Post
In other news, I noticed lack of vacuum after I did the exploratory on the exhaust system. I'm thinking it's just a leak in a line somewhere.
You might have displaced one of the vacuum connections to the EGR, not sure with your model year you might not have EGR to begin with. In any case, look for vacuum hard lines that have become disconnected, it happens easily.
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Corey

'83 240D, 190kmi
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