See also:

Air cleaner air temperature control - description and testing
Thermostatically-controlled air cleaner 1 On all pre-1986 models and certain models from 1986 onwards, the air cleaner is thermostatically-controlled by a vacuum operated system to provide air at ...

Compression test
1 When engine performance is poor, or if misfiring occurs which cannot be attributed to the ignition or fuel system, a compression test can provide diagnostic clues. If the test is performed regul ...

Power-operated folding roof - fluid level checking and bleeding
General 1 As from 1987, a power-operated folding roof is available as an option on Cabriolet models. 2 The roof is operated hydraulically from an electric pump located in the left-hand side of t ...