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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) >> Secondary Timing Chain Tensioner Shoe Replacement - Left Side >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Left Secondary Camshaft Drive Timing Shoe & Bolt
    GM1276762Courtesy of GENERAL MOTORS CORP.
  1. Position the left secondary camshaft drive chain shoe in through the left front cylinder head as shown.
    2. CAUTION: Refer to Fastener Caution .
  2. Install the left secondary camshaft drive chain shoe bolt and tighten to 25 N.m (18 lb ft).
    3. Fig 2: Holding Camshaft
    GM1275675Courtesy of GENERAL MOTORS CORP.
  3. Install the left intake actuator to the secondary chain, ensuring that the actuator timing mark is aligned with the chain link that was marked during disassembly.
  4. Loosely install the oil control valve to secure the intake actuator to the camshaft.
    5. CAUTION: Refer to Torque Reaction Against Timing Drive Chain Caution .
  5. Use an open-end wrench on the hex cast into the camshaft in order to prevent the camshaft from rotating when tightening the oil control valve to 120 N.m (89 lb ft).
    6. Fig 3: Left Secondary Timing Chain Tensioner & Bolts
    GM1276759Courtesy of GENERAL MOTORS CORP.
  6. Install the left secondary camshaft drive chain tensioner. Refer to Secondary Timing Chain Guide Replacement - Left Side .
    7. Fig 4: Aligning Camshaft Sprocket & Timing Chain Paint Marks
    GM1275693Courtesy of GENERAL MOTORS CORP.
  7. Ensure that the previously created paint marks (1, 3) still line up with the sprocket timing marks (2, 4).
  8. Install the left camshaft actuator housing. Refer to Camshaft Position Actuator Housing Replacement - Left Side .
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