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Home >> GMC >> 2001 >> Sierra 2500 HD, 2D Pickup, 6.6 1, 4WD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.6L - Repair Instructions >> Repair Instructions >> Intake Air Heater Replacement >> Installation Procedure

Installation Procedure

  1. Refer to FASTENER NOTICE in Cautions and Notices.

    Install the intake air heater in the inlet pipe.

    Tighten 

    Tighten the intake air heater to 50 N.m (37 lb ft).

  2. Connect the intake air heater harness connector.

    Tighten 

    Tighten the air intake heater electrical nut to 5 N.m (44 lb in).

    3. Fig 1: Upper Intake Manifold Sight Shield
    GM658266Courtesy of GENERAL MOTORS COMPANY
  3. Install the upper intake manifold sight shield.

    Tighten 

    Tighten the upper intake manifold sight shield bolt to 9 N.m (80 lb in).

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