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Home›Repair guides›adjustable oil pressure regulator is located in oil pump body.

General Motors — adjustable oil pressure regulator is located in oil pump body.

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

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Before you start

  • remove tube from pump body.
  • Pick-up tube is serviceable. Unless tube is damaged, DO NOT
  • Removal & Disassembly

Procedure

  1. 50 (1.7-3.4
  2. 5000 RPM
  3. 60 (2.8-4.2
  4. Remove oil pan. See OIL PAN under REMOVAL & INSTALLATION. Remove oil
  5. Remove pump cover. Mark relationship between gears at a meshing point for

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.