Cylinder Head Replacement Right Side

1. Raise and support the vehicle. Refer to SECTION 0A.
2. Remove the catalytic converter. Refer to Catalytic Converter Replacement in Engine Exhaust.
3. Drain the coolant. Refer to Cooling System Draining and Filling in Engine Cooling.
4. Lower the vehicle.
5. Disconnect the lower radiator hose from the water pump.
6. Disconnect the heater hose from the water pump assembly.



7. Disconnect the power steering pump reservoir from the cylinder head assembly.
8. Reposition the power steering pump reservoir.
9. Remove the ignition coil assembly. Refer to Spark Plug .
10. Remove the intake manifold. Refer to Intake Manifold Replacement .
11. Remove the spark plug wire harness assembly from the clips.
12. Remove the front spark plug wire bracket.
13. Remove the oil level indicator and tube. Refer to Oil Level Indicator and Tube Replacement .
14. Disconnect the spark plug wire harness assembly from the spark plugs.



15. Remove the spark plugs.
16. Remove the right exhaust manifold. Refer to Exhaust Manifold Replacement .
17. Remove the coolant air bleed pipe bolts and the pipe from the left cylinder head with a backup wrench on the pipe fitting.
18. Remove the right side valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .
19. Remove the valve rocker arms and pushrods. Refer to Valve Rocker Arm, Push Rod, and Stud Replacement .



20. Remove the cylinder head bolts/screws.
21. Remove the cylinder head.
22. Remove the cylinder head gasket.
23. Remove the coolant air bleed pipe from the cylinder head assembly.

Tools Required

J 36660-A Torque Angle Meter

1. Install the coolant air bleed pipe and bolt finger tight to the cylinder head.



2. Install the new cylinder head gasket. Make sure the yellow tab faces up.
3. Install the cylinder head over the locating pins and the gasket.
4. Coat the threads of the cylinder head bolts with sealing compound GM P/N 1052080 or equivalent.



5. Install the cylinder head bolt finger tight.
6. Tighten the cylinder head bolts in sequence on the first pass.

Tighten
Tighten the cylinder head bolts on the first pass to 30 N·m (22 lb ft).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

7. Use the J 36660-A in order to tighten the cylinder head bolts on the second pass.

Tighten

•	Tighten the short bolts 67 degrees.

•	Tighten the medium bolts 80 degrees.

•	Tighten the long bolts 80 degrees.

8. Install the valve rocker arms and the pushrods. Refer to Valve Rocker Arm, Push Rod, and Stud Replacement .
9. Install the right valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .
10. Use a backup wrench on the pipe fitting in order to install the coolant air bleed pipe and bolt to the left cylinder head.

Tighten
Tighten the coolant air bleed pipe bolt to 40  N·m (30 lb ft).

11. Install the right exhaust manifold. Refer to Exhaust Manifold Replacement .
12. Install the spark plugs.

Tighten
Tighten the spark plugs to 20 N·m (15 lb ft).




13. Install the spark plug wire harness to the plugs.
14. Install the oil level indicator and tube. Refer to Oil Level Indicator and Tube Replacement .



15. Install the front spark plug wire bracket.
16. Install the spark plug wire harness to the clips.
17. Install the intake manifold. Refer to Intake Manifold Replacement .
18. Install the ignition coil. Refer to Spark Plug in Engine Electrical.



19. Install the power steering pump reservoir.



20. Install the lower radiator and heater hose to the water pump.
21. Raise and support the vehicle.
22. Install the catalytic converter. Refer to Catalytic Converter Replacement in Engine Exhaust.
23. Lower the vehicle.
24. Refill the coolant. Refer to Cooling System Draining and Filling in Engine Cooling.

Cylinder Head Replacement Left Side

1. Raise and support the vehicle. Refer to SECTION 0A.
2. Remove the catalytic converter. Refer to Catalytic Converter Replacement .
3. Drain the coolant. Refer to Cooling System Draining and Filling .
4. Lower the vehicle.
5. Remove the upper radiator hose.
6. Remove the drive belt. Refer to Drive Belt Replacement .
7. Remove the intake manifold. Refer to Intake Manifold Replacement .
8. Remove the left wheel well lower center panel. Refer to Wheelhouse Panels-LH in SECTION 10-5.
9. Remove the A/C compressor. Refer to Compressor Assembly Replacement in SECTION 1B.
10. Lay the A/C compressor aside.
11. Remove the A/C compressor and generator brace. Refer to Generator Replacement in Engine Electrical.



12. Remove the front spark plug wire bracket.



13. Disconnect the spark plug wire harness assembly from the spark plugs.
14. Remove the spark plugs.
15. Remove the left exhaust manifold. Refer to Exhaust Manifold Replacement .
16. Remove the generator brace and the generator. Refer to Generator Replacement in Engine Electrical.
17. Remove the secondary air injection diverter valve hose.
18. Remove the left valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .
19. Remove the drive belt idler pulley. Refer to Drive Belt Idler Pulley Replacement .
20. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .
21. Disconnect the power steering lines from the power steering pump. Refer to SECTION 3B.
22. Remove the power steering pump. Refer to SECTION 3B.



23. Remove the spark plug wire harness from the distributor.
24. Remove the ignition coil harness from the distributor.



25. Remove the generator and the A/C compressor bracket bolts.
26. Remove the A/C compressor bracket.
27. Remove the valve rocker arms and the pushrods. Refer to Valve Rocker Arm, Push Rod, and Stud Replacement .
28. Remove the coolant air bleed pipe from the cylinder head assembly.



29. Remove the cylinder head bolts.
30. Remove the cylinder head.
31. Remove the cylinder head gasket.
32. Discard the gasket.

Tools Required

J 36660-A Torque Angle Meter

1. Install the new cylinder head gasket.
2. Install the gasket with the yellow tabs facing up.
3. Install the cylinder head over the dowel pins and the gasket.
4. Coat the threads of the cylinder head bolts with sealing compound GM P/N 1052080 or equivalent.



5. Install the cylinder head bolt finger tight.
6. Install the engine coolant air bleed pipe and bolts. Use a backup wrench on the pipe fittings when you install the bolts.

Tighten
Tighten the bleed pipe bolts to 40 N·m (30 lb ft).

7. Tighten the cylinder head bolts.

Tighten
Tighten the cylinder head bolts in sequence on the first pass to 30 N·m (22 lb ft).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

8. Use the J 36660-A in order to tighten the cylinder head bolts on the second pass.

Tighten

•	Tighten the short bolts 67 degrees.

•	Tighten the medium bolts 80 degrees.

•	Tighten the long bolts 80 degrees.

9. Install the pushrod and valve rocker arms. Refer to Valve Rocker Arm, Push Rod, and Stud Replacement .



10. Install the generator, A/C compressor bracket and bolts.

Tighten
Tighten the generator bracket bolts to 40 N·m (30 lb ft).




11. Install the spark plug wire harness to the distributor.
12. Install the ignition coil wire harness.
13. Install the power steering pump. Refer to SECTION 3B.
14. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .
15. Install the drive belt idler pulley. Refer to Drive Belt Idler Pulley Replacement .
16. Install the left valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .
17. Connect the secondary air injection diverter valve hose.
18. Install the generator and lower brace. Refer to Generator Replacement in Engine Electrical.
19. Install the left exhaust manifold. Refer to Exhaust Manifold Replacement .
20. Install the spark plugs.

Tighten
Tighten the spark plugs to 20 N·m (15 lb ft).




21. Install the spark plug wire harness.



22. Install the spark plug wire brackets.
23. Install the A/C compressor and generator brace. Refer to Generator Replacement in Engine Electrical.
24. Install the A/C compressor. Refer to SECTION 1B.
25. Install the left wheel well lower center panel. Refer to SECTION 10-5.
26. Install the intake manifold. Refer to Intake Manifold Replacement .
27. Install the drive belt. Refer to Drive Belt Replacement .
28. Connect the upper radiator hose.
29. Raise and support the vehicle.
30. Install the catalytic converter. Refer to Catalytic Converter Replacement in Engine Exhaust.
31. Lower the vehicle.
32. Refill the coolant. Refer to Cooling System Draining and Filling in Engine Cooling.