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subaru Workshop Repair Guides


Hatchback 4WD F4-1781cc 1.8L (1983)

Maintenance > Tune-up and Engine Performance Checks > Distributor, Ignition > Distributor Advance Unit > Component Information > Testing and Inspection

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Distributor Advance Unit: Testing and Inspection

1.

Remove distributor cap and spark plug wires.

2.

Apply vacuum to vacuum controller. The controller should hold vacuum and the breaker plate should rotate. If either of these conditions are not
met, repair or replace necessary parts.

3.

Check for any binding or sticking of the centrifugal advance mechanism by twisting the ignition rotor the  opposite way of rotation. If actual 
distributor advance needs to be checked, refer to Tune-Up Specifications.

Maintenance > Tune-up and Engine Performance Checks > Distributor, Ignition > Distributor Advance Unit > Component Information > Testing and Inspection

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