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Home >> Buick >> 2018 >> Encore Preferred, AWD >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Engine Mechanical - 1.4L (LUV) >> Repair Instructions - On Vehicle >> Valve Stem Oil Seal and Valve Spring Replacement >> Intake Valve Stem Oil Seal Installation Cylinder 1

Intake Valve Stem Oil Seal Installation Cylinder 1

  1. GM2373172
    NOTE:

    Lubricate the NEW intake valve stem oil seals with clean engine oil.

    Install the NEW intake valve stem oil seals of cylinder 1, using the EN-958  installer (1).

  2. GM2189662

    Prepare the EN-6086 - 200 - 1  mounting piece for the valve key installation. The mounting piece must be assembled in the following order:

    1. Support (6)
    2. Bushing (5)
    3. Spring (4)
    4. EN-6086 - 200 - 10  plunger (3)
    5. Screw Connection (2)
    6. Lever Adapter (1)
  3. GM2189663

    Install the valve keys (1) to the mounting piece (2) and fix them with the bushing.

  4. GM2373173

    Install the intake valve springs, the intake valve spring retainers and the intake valve keys, using the following procedure:

    1. Replace the EN-6086 - 11  demounting piece with the assembled EN-6086 - 200 - 1  mounting piece (1).
    2. Install the intake valve springs and the intake valve spring retainers to the cylinder head.
    3. CAUTION:

      The demounting piece part of EN-6086 Basic Kit, Spring and Wedge Replacer must be applied parallel to the valve retainers in order to prevent damage to the tools or the valve train components. If demounting piece is not applied parallel it could cause damage to the valve stem keys or the valve retainers.

      NOTE:

      The cone side of the valve keys must point to the valve stem.

    4. Push down the mounting piece (1) using the lever (2) until the valve keys are hearable engaged.
    5. GM2373174

      Inspect the intake valve keys (1) for proper seat.