Fuel Pump: Service and Repair

REMOVAL


1. Place the piston in the No. 1 cylinder at top dead center on the compression stroke When the piston is placed in this position, the lift of the fuel pump drive eccentric cam will be reduced to minimum and the fuel pump will be easier to remove.

2. Disconnect the fuel hoses from fuel pump.

3. Remove the fuel pump mounting nuts and remove the fuel pump assembly.

4. Remove the insulator and gaskets.



INSPECTION


Check for the following items. Any part that is defective should be replaced.

1. Check for wear of the rocker arm end where the camshaft eccentric cam was rotating.

2. Move the rocker arm to check for spring deterioration.

3. Check the pump body and the cover for crack and damage.

Installation

Reverse of removal procedure.