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Home >> Cadillac >> 2013 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Mechanical - Hybrid (LZ1) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Valve Stem Oil Seal and Valve Spring Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Valve Stem Keys, Valve Spring Cap & Valve Spring
    GM1559870Courtesy of GENERAL MOTORS COMPANY
  1. Clean the cylinder head valve spring seat area.
  2. Lubricate the valve guide and valve stem oil seal with clean engine oil.
  3. Install the valves (228) into the proper port.
  4. Install the valve stem oil seal (222).
  5. Install the valve spring (223).
  6. Install the valve spring cap (224).
    7. Fig 2: Compress The Valve Spring (Cylinder Head Installed) Using Special Tools
    GM218211Courtesy of GENERAL MOTORS COMPANY
  7. Compress the valve spring using the J 38606  valve spring compressor.
  8. Install the valve keys.
    • Use grease in order to hold the valve keys in place.
    • Make sure the keys seat properly in the groove of the valve stem.
    • Carefully release the valve spring pressure, making sure the valve keys stay in place.
    • Remove the J 38606  valve spring compressor.
    • Tap the end of the valve stem with a plastic faced hammer to seat the keys, if necessary.
    9. Fig 3: View Of J 22794
    GM65039Courtesy of GENERAL MOTORS COMPANY
  9. Remove the J 22794  spark plug port adapter from the spark plug port.
    10. Fig 4: View Of Spark Plug And Sparkplug Seat
    GM14824Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  10. Hand start the spark plug.

    Tighten 

    Tighten the spark plug to 15 (11 lb ft).

  11. Install the spark plug wires at the ignition coil.
  12. Install the spark plug wire to the spark plug.
  13. Inspect the wires for proper installation:
    • Push sideways on each boot in order to check for proper installation.
    • Reinstall any loose boot.
  14. Install the rocker arm. Refer to Valve Rocker Arm and Push Rod Replacement .
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