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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 2.4L) >> Repair Instructions - On Vehicle >> Exhaust Camshaft and Valve Lifter Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the exhaust camshaft position actuator. Refer to Camshaft Position Exhaust Actuator Replacement .
    2. Fig 1: Exhaust Camshaft Position Actuator Solenoid Valve & Bolt
    GM2074543Courtesy of GENERAL MOTORS COMPANY
  2. Remove the exhaust camshaft position actuator solenoid valve bolt (1) and valve (2).
    3. Fig 2: Exhaust Camshaft & Caps
    GM1825040Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Remove each bolt on each cap one turn at a time until there is no spring tension pushing on the camshaft.

  3. Mark camshaft caps to ensure they are installed in the same position.
  4. Remove the exhaust camshaft cap bolts.
  5. Remove the camshaft caps ensuring they are marked and refitted in same position on assembly.
  6. Remove the exhaust camshaft.
    7. Fig 3: Exhaust Camshaft Roller Finger Followers
    GM1825041Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Keep all of the roller finger followers and hydraulic lash adjusters in order so that they can be reinstalled in their respective locations.

  7. Remove the exhaust camshaft roller finger followers.
    8. Fig 4: Hydraulic Lash Adjusters
    GM1825043Courtesy of GENERAL MOTORS COMPANY
  8. Remove the hydraulic lash adjusters.
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