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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Mechanical - 2.8L (LWN) Diesel) >> Repair Instructions >> Timing Belt Front Cover Replacement >> Installation Procedure

Installation Procedure

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  1. GM4604032Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Install a NEW gasket.

    Timing Belt Front Cover Gasket (3) - Install

  2. Timing Belt Front Cover (2) - Install
  3. NOTE:

    Hand tighten only, final tightening will be performed after properly aligning the timing belt front cover to the crankshaft sprocket.

  4. Timing Belt Front Cover Bolt (1) - Loosely install[15x]
  5. GM4223615Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Start by ensuring there is proper clearance in the area of the arrows then confirm proper clearance throughout the crankshaft sprocket circumference.

    Use a 0.01 mm feeler gauge around crankshaft sprocket (1) to ensure timing belt front cover (2) is not contacting crank sprocket.

  6. Fig 1: Timing Belt Front Cover Tightening Sequence
    GM4223767Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    NOTE:

    Once proper clearance is achieved between the timing belt front cover and the crankshaft sprocket, perform final tightening of the timing belt front cover bolts in sequence bolts 3 then bolts 4.

    Timing Belt Front Cover Bolt (3) - Tighten [12x] 10 N.m (89 lb in)

  7. Timing Belt Front Cover Bolt (4) - Tighten [3x] 8 N.m (71 lb in)
  8. GM4603716Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Fan Bracket (2) - Install - Engine Cooling Fan Bracket Replacement 

  9. GM4603596Courtesy of GENERAL MOTORS COMPANY

    Drive Belt Idler Pulley-Left Side (2) - Install - Drive Belt Idler Pulley Replacement - Left Side 

  10. GM4603570Courtesy of GENERAL MOTORS COMPANY

    Drive Belt Tensioner (2) - Install - Drive Belt Tensioner Replacement 

  11. Crankshaft Balancer - Install - Crankshaft Balancer Replacement