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Home >> Chevrolet >> 2012 >> Cruze Eco, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 1.8L (LUW)) >> Repair Instructions - On Vehicle >> Valve Stem Oil Seal and Valve Spring Replacement >> Valve Stem Oil Seal Removal

Valve Stem Oil Seal Removal

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Special Tools
    GM2725885Courtesy of GENERAL MOTORS COMPANY
  1. Install the 2 EN-50717-1  stands (1) to the cylinder head and fix them with the 547324  screws.
  2. Install the 2 J-43649-2  rods (2) and the EN-51717-2  compressor (3) to the B-side of the EN-50717-1  stands. Secure the rods with the 207649  clips then.
  3. Install an suitable air pressure adapter (4) to the spark plug hole.
  4. Apply air pressure to the corresponding cylinder.
  5. Position the EN-51717-2  compressor (3) so that its adapter proper contacts the valve spring retainer and pretension the compressor.
  6. Fig 2: Valve Spring Retainer And Valve Spring
    GM2678153Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    Valve springs can be tightly compressed. Use care when removing the retainers and plugs. Personal injury could result.

  7. Apply pressure to the EN-50717-2  compressor to push down the vale spring retainer (1) and compress the valve spring (3) until the valve keys (2) are free from tension. Carefully remove the valve keys then.
  8. Release the tension from the EN-50717-2  compressor.
  9. Remove the valve spring retainer (1) and the valve spring (3).
  10. Fig 3: Valve Stem Seal Removal Tool
    GM2373403Courtesy of GENERAL MOTORS COMPANY
  11. Remove and DISCARD the valve stem oil seal, using the EN-840  pliers (1).