Subject:
Cayenne S (9YA)
As of 2018
Front exhaust pipes
Symptom: Buzzing/vibrating noises in the exhaust system area at an engine speed of approx. 1,100 rpm during deceleration. Cause: The exhaust system can expand in an unfavorable direction and become strained at operating temperature. Remedial Action: Loosen clamps on the exhaust system, bring the exhaust system to operating temperature and
re-position the clamps.
