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Home >> Chevrolet >> 2013 >> Impala LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 507 (Engine Mechanical - 2.8L Or 3.0L - Repair Instructions - Off Vehicle (4 Of 5)) >> Camshaft Position Actuator Installation - Left Side Exhaust

Camshaft Position Actuator Installation - Left Side Exhaust

WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of EX Marking, Triangle & Circle Marking
    GM1852281Courtesy of GENERAL MOTORS CORP.
  1. Ensure the proper camshaft position actuator is installed. Observe the body of the camshaft position actuator for the "EX" marking (1). The marking is for an exhaust camshaft position actuator.
  2. Ensure the proper timing mark is used. Observe the outer ring of the camshaft position actuator for the circle marking (3). The marking is for alignment to the highlighted timing chain link on the left side of the engine.
  3. Use an open wrench on the hex cast into the camshaft in order to prevent camshaft rotation when tightening the camshaft position actuator bolt.
  4. Fig 2: Identifying Camshaft Position Actuators
    GM2260800Courtesy of GENERAL MOTORS CORP.
    NOTE: The camshaft position actuator will vary depending on application.
    NOTE: Camshaft thrust washers must be installed on all 2010 applications when servicing the camshaft position actuators. Do not install washers on 2009 applications if they are not already present.
  5. Ensure the proper camshaft thrust washer is used. Use a 1.6 mm (0.063 in) thrust washer on applications that have 5 attaching screws on the back side of the camshaft position actuator (1). Use a 1.1 mm (0.043 in) thick thrust washer with yellow speckles on applications that have 4 attaching screws on the back side of the camshaft position actuator (2).
  6. Fig 3: Locating Exhaust Camshaft Position Actuator & Bolt
    GM1852301Courtesy of GENERAL MOTORS CORP.
  7. Install the thrust washer if applicable (3).
  8. Install the left exhaust camshaft position actuator (2).
  9. CAUTION: Refer to Fastener Caution .
  10. Install the camshaft position actuator bolt (1) and tighten to 58 N.m (43 lb ft).