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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical - 5.3L) >> Repair Instructions - Off Vehicle >> Timing Chain and Sprockets Removal >> Removal

Timing Chain and Sprockets Removal: Removal

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Camshaft Sprocket, Timing Chain & Sprocket Bolt
    GM1658175Courtesy of GENERAL MOTORS CORP.
    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.
  1. Remove and discard the camshaft sprocket bolt (206).
  2. Remove the camshaft sprocket (205) and timing chain (208).
    3. Fig 2: View Of Timing Chain Tensioner & Bolts
    GM1658178Courtesy of GENERAL MOTORS CORP.
  3. Remove the bolts (231) and timing chain tensioner (232).
    4. Fig 3: View Of Crankshaft Sprocket Special Tools
    GM1658180Courtesy of GENERAL MOTORS CORP.
  4. Use the J 41816-2  (1), the J 41558  (2), bolts (3), and the J 8433  (4) in order to remove the crankshaft sprocket. See Special Tools .
    5. Fig 4: View Of Crankshaft Sprocket
    GM1658182Courtesy of GENERAL MOTORS CORP.
  5. Remove the crankshaft sprocket (207).
    6. Fig 5: View Of Crankshaft Key & Keyway
    GM156149Courtesy of GENERAL MOTORS CORP.
  6. Remove the crankshaft sprocket key, as required.
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