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Home >> Chevrolet >> 2013 >> Tahoe LS, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Mechanical - Hybrid (LZ1) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Valve Rocker Arm Cover Replacement - Right Side >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • All gasket surfaces should be free of oil or other foreign material during assembly.
  • DO NOT reuse the valve rocker arm cover gasket.
  • If the oil fill tube has been removed from the rocker arm cover, install a NEW fill tube during assembly.
    Fig 1: Oil Fill Cap & Oil Fill Tube
    GM1559860Courtesy of GENERAL MOTORS COMPANY
  1. Lubricate the O-ring seal (422) of the NEW oil fill tube with clean engine oil.
  2. Insert the NEW oil fill tube (423) into the rocker arm cover.

    Rotate the tube clockwise until locked in the proper position.

  3. Install the oil fill cap (424) into the tube.

    Rotate the cap clockwise until locked in the proper position.

    4. Fig 2: Rocker Arm Cover Gasket
    GM490696Courtesy of GENERAL MOTORS COMPANY
  4. Install a NEW rocker cover gasket (1) into the valve rocker arm cover lip.
    5. Fig 3: View Of Valve Rocker Arm Cover (Right)
    GM832211Courtesy of GENERAL MOTORS COMPANY
  5. Install the valve rocker arm cover.
    6. CAUTION:

    Refer to Fastener Caution .

  6. Tighten the rocker arm cover bolts.

    Tighten 

    Tighten the bolts to 12 N.m (106 lb in).

    7. Fig 4: View Of PCV Tube & Right Valve Rocker Arm Cover Fitting
    GM1696757Courtesy of GENERAL MOTORS COMPANY
  7. Install the PCV tube (1) to the valve rocker cover (2).
    8. Fig 5: Ignition Coils & Bracket
    GM1402028Courtesy of GENERAL MOTORS COMPANY
  8. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent to the threads of the ignition coil bracket studs.
  9. Position the ignition coil bracket (719) onto the rocker cover.
  10. Install the ignition coil bracket studs (720).

    Tighten 

    Tighten the studs to 12 N.m (106 lb in).

  11. Install the spark plug wires (724) to the ignition coils.
    12. Fig 6: Locating Heater Hose Bracket & Nut
    GM1970081Courtesy of GENERAL MOTORS COMPANY
  12. Install the heater hose bracket (2) and nut (1).

    Tighten 

    Tighten the nut to 9 N.m (80 lb in).

    13. Fig 7: Locating Heater Outlet Hose & Heater Hose Bracket
    GM1970080Courtesy of GENERAL MOTORS COMPANY
  13. Install the surge tank outlet hose (2) to the heater hose bracket (3).
    14. Fig 8: Locating Heater Inlet Hose & Heater Hose Bracket
    GM1970079Courtesy of GENERAL MOTORS COMPANY
  14. Install the heater inlet hose (2) to the heater hose bracket (3).
    15. Fig 9: View Of Generator Battery Jumper Cable & Components
    GM1699546Courtesy of GENERAL MOTORS COMPANY
  15. Position the generator battery cable as necessary.
  16. Install the generator battery cable clip (1) to the ignition coil bracket stud.
    17. Fig 10: Identifying Right Side Main Electrical Connectors
    GM1235686Courtesy of GENERAL MOTORS COMPANY
  17. Position the engine wiring harness (electronic throttle control branch) as necessary.
  18. Install the engine wiring harness (electronic throttle control branch) clip to the ignition coil bracket stud.
  19. Connect the engine harness electrical connector (1) to the ignition coil wire harness.
  20. Install the CPA retainer (2).
    21. Fig 11: Locating 3 Phase Cable Clip Nut & Engine Bracket
    GM1965809Courtesy of GENERAL MOTORS COMPANY
  21. Position the generator control module 3 phase cables to the bracket channel.
  22. Install the generator control module 3 phase cable clip to the tab (3) on the engine bracket (2).
  23. Install the generator control module 3 phase cable clip nut (1).

    Tighten 

    Tighten the nut to 9 N.m (80 lb in).

  24. Enable the high voltage system. Refer to High Voltage Enabling .
  25. Install the intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement .
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