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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Engine Mechanical - 4.6L - 1 Of 4) >> On-Vehicle Repair Instructions (1 Of 2) >> Cylinder Head Replacement - Left Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View of M6 External Drive Bolts
    GM522798Courtesy of GENERAL MOTORS CORP.
  1. Remove the left exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side .
  2. Remove the engine mount strut bracket. Refer to Engine Mount Strut Bracket Replacement - Right Side .
  3. Remove the generator. Refer to Generator Replacement .
  4. Remove the water crossover. Refer to Engine Coolant Crossover Pipe Replacement .
  5. Remove the intake manifold. Refer to Intake Manifold Replacement .
  6. Remove the camshaft cover. Refer to Camshaft Cover Replacement - Left Side .
  7. Remove the engine front cover. Refer to Engine Front Cover Replacement .
  8. Remove the left secondary camshaft drive chain. Refer to Secondary Camshaft Drive Chain Replacement - Left Side .
  9. Remove the 3 M6 cylinder head bolts.
    10. IMPORTANT: DO NOT reuse the M11 cylinder head bolts.
  10. Remove and discard the 10 M11 cylinder head bolts.
    11. Fig 2: View Of Cylinder Head With Alignment Dowels - Left
    GM522794Courtesy of GENERAL MOTORS CORP.
  11. Remove the left cylinder head. Make sure that no locating pins are stuck in the cylinder head.
    12. IMPORTANT: You must clean the thread sealant material from the cylinder head bolt holes in the cylinder block. Failure to do so could cause false torque readings during reassembly.
  12. After removing the cylinder head, remove any remaining bolt thread sealant material from the threaded cylinder block holes.
    13. Fig 3: View of Left Cylinder Head Gasket
    GM522790Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: DO NOT reuse the cylinder head gasket.
  13. Remove and discard the left cylinder head gasket.
  14. Remove all remaining gasket material from the cylinder head and cylinder block using the J 28410  . See Special Tools .
  15. Place the cylinder head on a clean, flat surface with the combustion chambers face-up in order to prevent damage to the deck face.
  16. Clean and inspect the cylinder head. Refer to Cylinder Head Cleaning and Inspection .
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