Pump Body Assembly

1986 Chevrolet G 20 Van V8-379 6.2L DSLSECTION Pump Body Assembly






1. Install O-ring seal and oil seal ring into groove on back side of slide, as shown. Apply suitable locking compound to the pump body oil seal to help aid in retaining seal in body.

2. Install pivot pin spring and pivot pin into the pump body.

3. Install slide while aligning notch in slide with pivot pin, then the slide seal and support. Oil seal ring should face downward into the pump pocket.

4. Install pump vanes and vane guide ring, and rotor assembly.




5. Install pump slide spring. If removed, install the oil seal assembly using pump oil seal installer tool No. J-25016, or equivalent.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.