Exhaust system rattles

[juliemac57 at hotmail.com (Julie Macfarlane)]

My guess is that the exhaust is too high and hitting the fuel tank shield. 
If the hangers are at an angle, your not hanging low enough.

Take it back to who ever did the job.



Julie Macfarlane
1981 MKI 2L 16v w 2Y
"For good health : EAT RICE!"
Amsterdam NY





>From: Gadzby@aol.com
>To: scirocco-l@scirocco.org
>Subject: Exhaust system rattles
>Date: Wed, 28 Apr 2004 16:44:35 EDT
>
>After a new TT cat/downpipe was installed on my 16V last week, the
>muffler/exhaust system has been rattling against the underside of the car 
>from time to
>time.  Here are the symptoms:
>
>1)  Metal-on-metal clanking/rattling sound eminates from behind and below 
>the
>driver
>2)  Only happens after 10-15 minute warm-up
>3)  Happens mostly when coasting down a sloped hill, foot off the gas, 
>where
>the engine is acting as a brake to keep the car from accelerating
>
>Here's one theory: it looks to my inexperience eye like the muffler is
>hanging about 1/2 to 1" too far back (when the car is stopped, all three 4" 
>long
>rubber muffler hangers are not vertical, but are being pushed toward the 
>rear).
>Hence the resonator input line may need to be pushed further onto the end 
>of
>the catalytic converter output line.
>
>So my questions are: on an OEM Scirocco are the hangers normally vertical,
>and does the exhaust system primarily move front to back, or up and down 
>when
>the engine rotates?  If it moves 1/2" or more back in the "foot off the 
>gas"
>condition, maybe that's my problem.
>
>TIA,
>Grant
>
>P.S. I took tome jpegs of my hangers, if anyone is curious to compare.
>
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