Distributor Ventilation System

Distributor Assembly Ventilation System:

DESCRIPTION
The distributor ventilation system vacuum harness (29), is connected to the air intake duct, the distributor (1) and the intake manifold. The vacuum harness provides ventilation for the distributor (1), thus preventing moisture build-up and possible ignition system failure. The distributor vacuum harness (29) connects to the air intake duct and the intake manifold with vacuum fittings. It attaches to the distributor (1) at two places with separately sized connectors.

In the case of ignition system failure, check vacuum harness (29) for proper hook-up and/or kinks. If OK, check the distributor ventilation system for a possible restriction before removing the distributor (1). Disconnect the vacuum harness (29) at the air intake duct and check for vacuum using a vacuum gage. The gage needle should slowly move towards manifold vacuum. If no vacuum is present, replace the vacuum harness (29). Once it has been determined that the distributor ventilation system vacuum harness is functioning properly, disconnect the vacuum gage and reconnect the vacuum hose to the air intake duct.

CAUTION: Failure to connect all hoses of the ventilation system will eventually result in distributor assembly failure or ignition system misfire.