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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)) >> Repair Instructions >> Auxiliary Pump Replacement (5.3L Engine w/RPO HP2) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Install the auxiliary pump.
    Fig 1: Installing Auxiliary Pump
    GM1280443Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the auxiliary oil pump bolts.

    Tighten:  Tighten the bolts to 10 N.m (89 lb in).

  3. Connect the auxiliary oil pump electrical connector.
    Fig 2: Connecting Auxiliary Oil Pump Electrical Connector
    GM1280438Courtesy of GENERAL MOTORS CORP.
  4. Install the oil pan and a NEW gasket.
    Fig 3: View Of Oil Pan Bolts
    GM13952Courtesy of GENERAL MOTORS CORP.
  5. Install the oil pan bolts.

    Tighten:  Tighten the bolts alternately and evenly to 11 N.m (97 lb in).

  6. If previously removed, install the range selector cable bracket and bolts.

    Tighten:  Tighten the bolts to 25 N.m (18 lb ft).

  7. Apply a small amount of sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the threads of the oil pan drain plug, if equipped.
  8. Install the oil pan drain plug, if equipped.

    Tighten:  Tighten the plug to 18 N.m (13 lb ft).

  9. Refill the transmission with fluid.
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