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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 >> Valve Rocker Arm Cover Replacement >> Installation Procedure

Installation Procedure

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  1. GM4200507Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Install NEW gaskets.

    Valve Rocker Arm Cover Gasket(1, 2) - Install

  2. GM4620706Courtesy of GENERAL MOTORS COMPANY

    Valve Rocker Arm Cover (1) - Install

  3. GM4373161Courtesy of GENERAL MOTORS COMPANY

    Positive Crankcase Ventilation Heater (1) - Install

  4. GM4620711Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure that the bolts and studs are installed in the previously noted locations.

    Valve Rocker Arm Cover Bolt - Loosely install [8x]

  5. Valve Rocker Arm Cover Stud - Loosely install [10x]
  6. Fig 1: Valve Rocker Arm Cover Bolt And Stud Tightening Sequence
    GM4200680Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Tighten in the sequence shown. 11 N.m (97 lb in)

  7. GM4620689Courtesy of GENERAL MOTORS COMPANY

    Timing Belt Front Cover Bolt (1) - Install and tighten [3x] 10 N.m (89 lb in)

  8. Camshaft Position Sensor - Install - Camshaft Position Sensor Replacement
  9. GM4605116Courtesy of GENERAL MOTORS COMPANY

    Generator Bracket (3) - Install - Generator Bracket Replacement (Diesel)

  10. Reposition and connect the coolant heater cord as needed. Coolant Heater Cord Replacement (LWN)
  11. GM4620818Courtesy of GENERAL MOTORS COMPANY

    Oil Filler Tube Bracket (4) - Install

  12. Oil Level Indicator Tube Bracket Bolt (2) - Install and tighten10 N.m (89 lb in)
  13. Oil Level Indicator Tube Bolt (3) - Install and tighten10 N.m (89 lb in)
  14. GM4620688Courtesy of GENERAL MOTORS COMPANY

    Reposition brackets (6) and wiring harness (7) as needed.

  15. Wiring Harness Retainer (2) - Install
  16. Electrical Connector (1) - Connect [3x]
  17. Auxiliary Heater Inlet and Outlet Hose Clip Nut(3, 4, 5) - Install and tighten 5.5 N.m (49 lb in)
  18. Fuel Injector - Install - Fuel Injector Replacement
  19. Vacuum Pump Pipe - Install - Vacuum Pump Pipe Replacement
  20. Fuel Injector Deadener - Install - Fuel Injector Deadener Replacement
  21. GM4620772Courtesy of GENERAL MOTORS COMPANY

    Oil Filler Tube (4) - Install - Oil Filler Tube Replacement