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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1406 (Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L (3 Of 5)) >> Repair Instructions - Off Vehicle (1 Of 3) >> Camshaft Position Actuator and Solenoid Valve Removal >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Flex Plate & Bolts
    GM1658140Courtesy of GENERAL MOTORS CORP.
    NOTE:
    • Do not use the camshaft position (CMP) actuator solenoid valve again. Upon installation of the CMP actuator and timing chain, install a NEW valve.
    • Do not apply threadlock to the flex plate bolts at this time.
  1. Temporarily install the automatic transmission flex plate and bolts. Refer to Automatic Transmission Flex Plate Installation .
    2. Fig 2: View Of Special Tool J 42386-A & Bolts
    GM1658136Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  2. Install the J 42386-A:  tool (1) and bolts. Use 1 M10 - 1.5 x 120 mm and 1 M10 - 1.5 x 45 mm bolt for proper tool operation. Tighten the J 42386-A:  tool bolts to 50 N.m (37 lb ft).
    3. Fig 3: View Of CMP Actuator Solenoid Valve
    GM1670622Courtesy of GENERAL MOTORS CORP.
  3. Remove the CMP actuator solenoid valve (234).
  4. Discard the solenoid valve.
    5. Fig 4: View Of Proper CMP Actuator Removal
    GM1714936Courtesy of GENERAL MOTORS CORP.
    WARNING: Refer to Camshaft Position Actuator Removal and Installation Warning .
  5. Loosen and separate the CMP actuator and timing chain from the camshaft. Position fingers behind the actuator sprocket and pull the actuator away from the front of the camshaft. Never pull on the reluctor wheel when attempting to remove the actuator.
    6. Fig 5: View Of CMP Actuator & Timing Chain
    GM1658255Courtesy of GENERAL MOTORS CORP.
  6. Remove the CMP actuator (235) and timing chain (208).
    7. Fig 6: View Of Tie Strap Through Center Of Actuator
    GM1714946Courtesy of GENERAL MOTORS CORP.
  7. Insert a tie strap (1) through the center of the actuator and over the reluctor wheel.
    8. Fig 7: View Of Timing Chain Tensioner & Bolts
    GM1658178Courtesy of GENERAL MOTORS CORP.
  8. Remove the bolts (231) and timing chain tensioner (232).
    9. Fig 8: View Of Crankshaft Sprocket Special Tools
    GM1658180Courtesy of GENERAL MOTORS CORP.
  9. Use the J 41816-2:  protector (1), the J 41558:  remover (2), bolts (3), and the J 8433:  puller (4) in order to remove the crankshaft sprocket.
    10. Fig 9: View Of Crankshaft Sprocket
    GM1658182Courtesy of GENERAL MOTORS CORP.
  10. Remove the crankshaft sprocket (207).
    11. Fig 10: View Of Crankshaft Key & Keyway
    GM156149Courtesy of GENERAL MOTORS CORP.
  11. Remove the crankshaft sprocket key, as required.
  12. Remove the flex plate and bolts. Refer to Automatic Transmission Flex Plate Removal .
  13. Remove the J 42386-A:  tool and bolts.
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