Fuel Pump - Rebuild (5-02) Section 5 - Fuel System - Group 05 M11 Page 5-6 Clamp the gear pump housing in a vise. Gently tap al- ternately on the head of the capscrews to loosen the gear pump cover. Remove the gear pump cover, drive gear and the idler gear. Discard the gasket. Remove the regulator retaining snap ring. Remove the regulator plunger and the spring from the gear pump cover. Inspection The gear pump components must be inspected for dam- age and wear. If the gear pump body, gear pump cover, or either of the gear pump gears are damaged or out of specification, replace the gear pump assembly.
If one or both of the shafts are damaged or out of specification, replace the shaft(s) as required.