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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1120 (Engine Mechanical (Repair Instructions 1 Of 5) - 3.6L (Ly7)) >> Repair Instructions (On-Vehicle Part 1) >> Cylinder Head Replacement - Right >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the powertrain module from the vehicle. Refer to Engine Replacement .
  2. Remove the exhaust crossover pipe. Refer to Exhaust Crossover Pipe Replacement (LY7) in Engine Exhaust.
  3. Remove the right bank secondary timing chain. Refer to Secondary Camshaft Drive Chain Replacement - Right .
    4. Fig 1: Wiring Harness Ground At Rear Of Cylinder Head
    GM1394072Courtesy of GENERAL MOTORS CORP.
  4. Remove the wiring harness ground from the rear of the cylinder head.
    5. Fig 2: Locating Wiring Harness Ground At Front Of Cylinder Head
    GM1394036Courtesy of GENERAL MOTORS CORP.
  5. Remove the wiring harness ground from the front of the cylinder head.
    6. Fig 3: Identifying Wiring Harness Conduit Upper Bolt
    GM1394035Courtesy of GENERAL MOTORS CORP.
  6. Remove the wiring harness conduit upper bolt from the cylinder head and reposition the wiring harness to provide access.
    7. Fig 4: View Of Right Cylinder Head
    GM902818Courtesy of GENERAL MOTORS CORP.
  7. Remove the cylinder head with the exhaust manifold. Refer to Cylinder Head Removal - Right .
    8. Fig 5: View Of Right Cylinder Head Gasket
    GM902817Courtesy of GENERAL MOTORS CORP.
  8. Remove and discard the cylinder head gasket.
  9. Clean and inspect the cylinder head and the engine block sealing surfaces. Refer to Cylinder Head Cleaning and Inspection and Engine Block Cleaning and Inspection .
  10. If necessary, perform the following steps:
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