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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1497 (Engine Mechanical - 4.2L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Oil Pump Installation

Oil Pump Installation

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the oil pump pressure relief valve and spring.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the oil pump pressure relief valve plug.

    Tighten 

    Tighten the oil pump pressure relief valve plug to 14 N.m (124 lb in).

  3. Install the oil pump outer and inner gears as removed.
  4. Install the oil pump cover.
  5. Install the oil pump cover bolts.

    Tighten 

    Tighten the oil pump cover bolts to 10 N.m (89 lb in).

    Fig 1: Installing Oil Pump Outer And Inner Gears
    G02128899Courtesy of GENERAL MOTORS CORP.
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