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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 >> Camshaft Replacement - Left Side (LF4) >> Removal Procedure

Removal 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.
  1. Remove the fuel pump. Refer to Fuel Pump Replacement (LF4) .
  2. Remove the camshaft position actuators. Refer to Camshaft Position Actuator Replacement - Bank 2 (LF4) .
    3. Fig 1: Bearing Caps
    GM2893820Courtesy of GENERAL MOTORS COMPANY
  3. Observe the markings on the bearing caps (1). Each bearing cap is marked in order to identify its location. The markings have the following meanings:
    • The raised feature must always be oriented toward the center of the cylinder head.
    • The I indicates the intake camshaft.
    • The E indicates the exhaust camshaft.
    • The number indicates the journal position from the front of the engine.
    4. Fig 2: Bearing Cap Bolts
    GM2893821Courtesy of GENERAL MOTORS COMPANY
  4. Remove the camshaft bearing cap bolts (1).
  5. Remove the camshaft bearing caps (2).
    6. Fig 3: Camshafts
    GM2893823Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Mark the camshafts upon removal to ensure installation is in the correct position.

  6. Remove the camshafts (1).
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