Cylinder Head Installation - Left Side

Cylinder Head Installation - Left Side

Special Tools

J 45059 - Angle Meter

For equivalent regional tools, refer to Special Tools Special Tools.





1. Clean the cylinder head gasket surfaces on the engine block.

2. Inspect the cylinder head locator dowel pins for proper installation.

The installation height should be 6.3-6.5 mm (0.248-0.256 in) (a).

3. Clean the cylinder head gasket surfaces on the cylinder head.





Note:
Do not use any type sealer on the cylinder head gasket, unless specified.

4. Install the NEW cylinder head gasket in position over the cylinder head locator dowel pins.





5. Install the cylinder head onto the engine block.

Guide the cylinder head carefully into place over the dowel pins and the cylinder head gasket.





6. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the threads of the NEW cylinder head bolts.

7. Install the NEW cylinder head bolts finger tight.





Caution:
Refer to Fastener Caution Fastener Caution.

8. Tighten the cylinder head bolts in sequence on the first pass. Tighten the bolts in sequence on the first pass to 30 Nm (22 lb ft).

9. Use the J 45059 - meter in order to tighten the cylinder head bolts in sequence on the final pass.

1. Tighten the long bolts (1, 4, 5, 8, and 9) on the final pass in sequence to 75 degrees.

2. Tighten the medium bolts (12 and 13) on the final pass in sequence to 65 degrees.

3. Tighten the short bolts (2, 3, 6, 7, 10, and 11) on the final pass in sequence to 55 degrees.





10. Install the spark plug wire support and bolts and tighten to 12 Nm (106 lb in).





11. Measure the spark plugs for the proper gap.

Adjust the spark plug gap if necessary.

Spark plug gap to 1.52 mm (0.060 in).

12. Install the spark plugs and tighten to 15 Nm (11 lb ft).





13. If reusing the engine coolant temperature gauge sensor, if applicable, apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the threads of the engine coolant temperature gauge sensor.

14. Install the engine coolant temperature gauge sensor, if applicable. Tighten the engine coolant temperature gauge sensor to 20 Nm (15 lb ft).





15. If reusing the engine coolant temperature sensor, if applicable, apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the threads of the engine coolant temperature gauge sensor.

16. Install the engine coolant temperature sensor, if applicable. Tighten the engine coolant temperature sensor to 20 Nm (15 lb ft).