LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 62 (Engine Mechanical) >> Repair Instructions >> On-Vehicle Repair Instructions >> Timing Chain and Sprockets Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Camshaft Sprocket, Bolt & Timing Chain
    GM63263Courtesy of GENERAL MOTORS CORP.
  1. Remove the oil pump. Refer to Oil Pump, Screen, and Crankshaft Oil Deflector Replacement .
  2. Rotate the crankshaft until the timing marks on the crankshaft and the camshaft sprockets are aligned.
    NOTE: Do not turn the crankshaft assembly after the timing chain has been removed in order to prevent damage to the piston assemblies or the valves.
  3. Remove the camshaft sprocket bolts.
  4. Remove the camshaft sprocket and timing chain.
    5. Fig 2: Removing Crankshaft Sprocket Using J 8433-1, J 41816-2 & J 41558
    GM63189Courtesy of GENERAL MOTORS CORP.
  5. Use the J 8433  , the J 41816-2  and the J 41558  in order to remove the crankshaft sprocket. See Special Tools .
    6. Fig 3: View Of Crankshaft Sprocket
    GM156150Courtesy of GENERAL MOTORS CORP.
  6. Remove the crankshaft sprocket.
    7. Fig 4: View Of Crankshaft Key & Keyway
    GM156149Courtesy of GENERAL MOTORS CORP.
  7. Remove the crankshaft sprocket key, if required.
  8. Clean and inspect the timing chain and sprockets. Refer to Timing Chain and Sprockets Cleaning and Inspection .
scientia non olet · About LEMON Manuals