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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 1.4L (LUV) >> Repair Instructions - On Vehicle >> Valve Stem Oil Seal and Valve Spring Replacement >> Valve Stem Oil Seal Removal

Valve Stem Oil Seal Removal

  1. Install the 2 EN-50717-1  stands (1) to the cylinder head and fix them with the 547324  screws.
    Fig 1: Special Seal Removal Tools
    GM2678162Courtesy of GENERAL MOTORS COMPANY
  2. Install the 2 J-43649-2  rods (2) and the EN-51717-2  compressor (3) to 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. 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.
    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. Release the tension from the EN-50717-2  compressor.
  8. Remove the valve spring retainer (1) and the valve spring (3).
  9. Remove and DISCARD the valve stem oil seal (2), using the EN-840  pliers (1).
    Fig 3: Pliers And Intake Valve Stem Oil Seals
    GM2373171Courtesy of GENERAL MOTORS COMPANY