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Home >> Cadillac >> 2010 >> STS 3.6 V, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 4.6L (LH2) - Repair Instructions - On Vehicle - 1 Of 2) >> Camshaft Position Actuator Oil Control Valve Replacement - Bank 2 (Left Side) Exhaust >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Camshaft Oil Control Valve
    GM1261666Courtesy of GENERAL MOTORS CORP.
  1. Install the oil control valve through the opening in the left exhaust camshaft position actuator and thread it into the left exhaust camshaft.
    2. Fig 2: Aligning Camshaft Sprocket & Timing Chain Paint Marks
    GM1275693Courtesy of GENERAL MOTORS CORP.
  2. Ensure both camshaft actuator timing marks (1, 3) are aligned with the paint marks on the secondary timing chain previously created.
    3. Fig 3: Holding Camshaft In Position
    GM1275674Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Torque Reaction Against Timing Drive Chain Caution .
    CAUTION: Refer to Fastener Caution .
  3. Use an open end wrench on the hex cast into the left exhaust camshaft to prevent the camshaft from rotating when tightening the camshaft oil control valve to 120 N.m (89 lb ft).
    4. Fig 4: Timing Chain Retention Tool Components
    GM1275725Courtesy of GENERAL MOTORS CORP.
  4. Remove the EN 46327  (1). See Special Tools .
    5. Fig 5: Camshaft Holding Tool
    GM1275667Courtesy of GENERAL MOTORS CORP.
  5. Remove the EN 46328  (1) from the camshafts (2). See Special Tools .
  6. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
    7. Fig 6: Left Camshaft Position Actuator Housing
    GM1247901Courtesy of GENERAL MOTORS CORP.
  7. Install the left camshaft actuator housing. Refer to Camshaft Position Actuator Housing Replacement - Left Side .
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