Cylinder Head Removal - Left Side - Off Vehicle

Tools Required 

J 28410  Gasket Remover

Fig 1: View Of Left Cylinder Head M6 External Drive Bolts
Courtesy of GENERAL MOTORS CORP.
1. Remove the 3 M6 external drive bolts from the front portion of the cylinder head.
IMPORTANT: DO NOT reuse the M11 cylinder head bolts.
2. Remove and discard the 10 M11 internal drive cylinder head bolts.
Fig 2: View Of Left Cylinder Head
Courtesy of GENERAL MOTORS CORP.
3. Remove the left cylinder head. Ensure that no dowel guide pins are stuck in the cylinder head.
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.
4. After removing the cylinder head, remove any remaining bolt thread sealant material from the threaded cylinder block holes.
Fig 3: View Of Left Cylinder Head Gasket
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: DO NOT reuse the cylinder head gasket.
5. Remove the left cylinder head gasket.
6. Remove all remaining gasket material from the cylinder head and cylinder block using the J 28410  .