Cylinder Head Removal - Left Side

Tools Required 

J 28410  Gasket Remover. See Special Tools .

Fig 1: View of 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 Cylinder Head With Alignment Dowels - Left
Courtesy of GENERAL MOTORS CORP.
3. Remove the left cylinder head. Make sure 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  . See Special Tools .
7. Place the cylinder head on a flat, clean surface with the combustion chambers face-up in order to prevent damage to the deck face.
Fig 4: Identifying Cylinder Head Locating Pins
Courtesy of GENERAL MOTORS CORP.
8. Remove the cylinder head locating pins.