Cayman (987) F6-2.9L (2009)
Test procedure
4. Restart the engine.
4.1. Assess air flow with regard to odour, while gradually increasing the temperature.
Evaluation of odour test
1 to 2 = vehicle not usable
3 = odour no longer acceptable
4 = extremely disagreeable odour
5 = unpleasant odour
6 = odour just about acceptable
7 = slight odour
8 = very slight odour
9 = odour hardly noticeable
10 = no odour in air
Action based on score:
5. With score 1 to 6.
5.1. Remove heat exchanger.
5.2. Clean air-conditioning housing in area of inner heat exchanger.
5.3. Install new heat exchanger.
6. With score 7 to 10.
6.1. No action.