LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2021 >> Yukon XL AT4 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions (10 Of 12) >> Repair Instructions >> Valve Rocker Arm and Push Rod Replacement - Right Side >> Installation Procedure

Installation Procedure

  1. GM5569717Courtesy of GENERAL MOTORS COMPANY

    Lubricate the flange of the valve rocker arm bolts with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers

  2. Lubricate the valve rocker arms and push rods with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers
    3. NOTE:
    • When using the valve train components again, always install the components to the original location and position.
    • Valve lash is net build. No valve adjustment is required.
    • Ensure the push rods seat properly to the valve lifter sockets.
    • The rocker arm bolts are not serviced separately.
  3. Valve Push Rod (1) - Install
  4. GM5569716Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure the push rods seat properly to the ends of the valve rocker arms.

    Valve Rocker Arm (2) - Install

    5. CAUTION:

    Refer to Fastener Caution .

  5. Valve Rocker Arm Pivot Support Bolt (1) - Install and tighten - Fastener Specifications
  6. GM5549964Courtesy of GENERAL MOTORS COMPANY

    Valve Rocker Arm Cover Gasket (2) @ Valve Rocker Arm Cover (1) - Install NEW

  7. GM5549960Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Valve Rocker Arm Cover- Right Side (2) - Install

  8. Valve Rocker Arm Cover Bolt (1) - Hand tighten [ 10x ]
  9. Valve Rocker Arm Cover Bolt (1) - Tighten in sequence [ 10x ] - Fastener Specifications
  10. Engine Wiring Harness Connector @ Ignition Coil - Connect [ 4x ]
  11. GM5549236Courtesy of GENERAL MOTORS COMPANY

    Inspect the inside of the spark plug rubber boot for a thin even coat of grease. If there is no grease present or additional grease is necessary, apply a thin coating of dielectric grease evenly to the inside of the spark plug rubber boot up to a depth of 15 mm from the end of the boot. Adhesives, Fluids, Lubricants, and Sealers

  12. Push the 4 spark plug wire boots (1) onto the 4 ignition coils (2) until two audible clicks are heard.
  13. GM5549959Courtesy of GENERAL MOTORS COMPANY

    Heater Inlet and Outlet Hose Bracket (2) - Reposition

  14. Heater Hose Clip Bracket Bolt (1) - Install and tighten - Fastener Specifications
  15. GM5537681Courtesy of GENERAL MOTORS COMPANY

    Valve Rocker Arm Cover Insulator (3) - Install

  16. Install the 3 upper intake manifold sight shield grommets (1) to the 3 valve rocker arm cover insulator retainers (2).
  17. GM5527948Courtesy of GENERAL MOTORS COMPANY

    Positive Crankcase Ventilation Tube Connector (3) @ Positive Crankcase Ventilation Fitting - Install - Plastic Collar Quick Connect Fitting Service

scientia non olet · About LEMON Manuals