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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 163 (Engine Mechanical - 3.6L (LGX LF4) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Valve Stem Oil Seal and Valve Spring Replacement - Right Side (LF4) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Valve Stem Oil Seal Removal/Installation
    GM1338340Courtesy of GENERAL MOTORS COMPANY
  1. Use the EN-46116  remover/installer (1) in order to install the valve stem seals (2).
    2. Fig 2: View Of Valve Spring
    GM902899Courtesy of GENERAL MOTORS COMPANY
  2. Install the valve spring.
  3. Install the valve spring retainer.
    4. Fig 3: View Of Installed Valve Spring Compressor Tool
    GM1338337Courtesy of GENERAL MOTORS COMPANY
  4. Install the EN-46110  compressor above the applicable valve spring as shown.

    Tighten the EN-46110  compressor nut (2).

    5. Fig 4: View Of Valve Spring Keepers
    GM902903Courtesy of GENERAL MOTORS COMPANY
  5. Install the valve spring keepers.
  6. Remove the EN-46110  compressor.
  7. Disconnect the EN-39313  adapter from the compressed air source.
  8. Remove the EN-39313  adapter.
  9. Install the spark plugs. Refer to Spark Plug Replacement (LF4) .
  10. Install the rocker arms. Refer to Valve Rocker Arm Replacement - Right Side (LF4) .
  11. Remove the EN-46106  tool.
  12. Install the starter motor. Refer to Starter Replacement (LF4 - Manual Transmission)Starter Replacement (LF4 - Automatic Transmission) .
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