1992 Audi 100 Q&A

1992 Audi 100 Question: really bad rattle under car. increases up to 40mph then quiets.

possibly from exhaust system -
Answer 1
Broken catalyst in cat. converter i suspect. Possible heat shield also. Have vehicle hoisted and checked. -
Answer 2
Agree with #1, probably loose heat shield. -
Answer 3
poss cats or heat shields -