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General Motors — Service Procedure

A General Motors service procedure — check it applies to your exact model before use.

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Procedure

  1. Install pump gears into pump body with marked gear teeth indexed. If pick-up tube was
  2. Prime oil pump with engine oil. Install pump and extension shaft, ensuring slot on top

Source: manual:1995 ENGINE 4.3L VIN W_text.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.