Crankcase ventilation vent valve renewal (Every 24 000 miles (40 000 km) or 2 years)

On carburettor model SOHC engines, renew the crankcase ventilation vent valve by pulling it from the oil separator and loosening the hose clip (see illustration).

42.1 Removing the crankcase vent valve from the oil separator
42.1 Removing the crankcase vent valve from the oil separator

Fit the new
valve, tighten the clip, and insert it into the oil separator grommet.

    See also:

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    Key to wiring diagrams. Models from 1987 to May 1989
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    General information
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