Cylinder Head Removal. Cadillac Concours 1997

For 1990-2009 cars

#### Tools Required

J 28410 Gasket Remover (Aluminum Components)

1. Remove the three M6 external drive bolts (2) from the front portion of the cylinder head.

Important: DO NOT reuse the M11 cylinder head bolts.

2. Remove and discard the ten M11 internal drive cylinder head bolts (1).
3. Remove the cylinder head. Make sure that no dowel guide pins are stuck in the cylinder head.
4. After removing the cylinder head, remove any remaining bolt thread sealant material from the threaded cylinder block holes.

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.

5. The remaining cylinder head is removed in the same fashion.
6. Remove the right cylinder head gasket.

Important: DO NOT reuse the cylinder head gasket.

7. Remove all remaining gasket material from the cylinder head and cylinder block using the J 28410 .
8. Place the cylinder head on a flat, clean surface with the combustion chambers face-up in order to prevent damage to the deck face.
9. Remove the left cylinder head gasket.

Important: DO NOT reuse the cylinder head gasket.

10. Remove all remaining gasket material from the cylinder head and cylinder block using the J 28410 .
11. Place the cylinder head on a flat, clean surface with the combustion chambers face-up in order to prevent damage to the deck face.
12. Remove the oil gallery plugs at the front and rear of the cylinder head.