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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Engine Mechanical - 4.3L (LV1)) >> Repair Instructions - On Vehicle >> Camshaft Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE:

    The threads of the camshaft retainer bolts and threaded holes of the engine block must be free of residue and debris prior to the application of threadlocker to ensure proper adhesion and fastener retention.

  1. Prepare the camshaft retainer bolts and engine block threaded holes for assembly:
    • Thoroughly clean the residue from the bolt threads with denatured alcohol and allow to dry.
    • Thoroughly clean the residue from the threaded holes of the engine block with denatured alcohol and allow to dry.
    • Apply threadlocker to 2/3 of the threaded length of the camshaft retainer bolts. Adhesives, Fluids, Lubricants, and Sealers
    • Ensure there are no gaps in the threadlocker along the filled area of the bolts.
    • Allow the threadlocker to cure approximately 10 minutes before installation.
  2. Fig 1: Camshaft Bolts Tightening Sequence
    GM4862036Courtesy of GENERAL MOTORS COMPANY

    Camshaft (1) - Install

  3. Camshaft Retainer (2) - Install
  4. CAUTION:

    Refer to Fastener Caution .

  5. Camshaft Retainer Bolt (3) - Tighten in sequence [4x] 15N.m (11 lb ft)
  6. GM4862028Courtesy of GENERAL MOTORS COMPANY

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