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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical - 3.5L - Repair Instructions - Off Vehicle (2 Of 3)) >> Camshaft Position Actuator Cleaning and Inspection

Camshaft Position Actuator Cleaning and Inspection

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Camshaft Position Actuator
    GM1557717Courtesy of GENERAL MOTORS CORP.
    WARNING: Refer to Cleaning Solvent Warning .
  1. Clean the camshaft position actuator components with solvent.
    2. WARNING: Refer to Safety Glasses Warning .
  2. Dry the camshaft position actuator components with compressed air.
  3. Inspect the camshaft position actuator for the following conditions:
    • The camshaft position actuator mounting bores (1) for damage
    • The camshaft position actuator return spring (2) for nicks or damage
    • The camshaft position actuator valve surface for pitting or damage (3)
  4. Replace the camshaft position actuator as necessary.
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