Cylinder Head Replacement LH

Cylinder Head LH

Removal
1. Remove the LH camshafts. Service and Repair

2. Remove the LH exhaust manifold. Service and Repair

3. Remove the lower intake manifold. Service and Repair





4. Remove the ground strap.





5. Disconnect the PCV tube.





6. Remove the noise suppressor bolt.





7. Remove the bolts and the coolant outlet tube.





8. Remove the oil level indicator tube stud bolt.
9. Raise the vehicle.





10. Install the four crossmember bolts.
11. Lower the vehicle.





12. Remove the special tool.





13. Remove the bolts and the LH cylinder head.
- Discard the gasket.

14. NOTE:The straightedge used must be flat within 0.0051 mm (0.0002 in) per foot of tool length.

Support the cylinder head on a bench with the head gasket side up. Inspect all areas of the deck face with a straightedge and feeler gauge. The cylinder head must not have depressions deeper than 0.0254 mm (0.001 in) across a 38.1 mm (1.5 in) square area, or scratches more than 0.0254 mm (0.001 in) deep.

Installation

1. CAUTION: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges which make leak paths. Use a plastic scraping tool to remove all traces of the head gasket.

CAUTION: New cylinder head bolts must be installed. They are tighten-to-yield design and cannot be reused.

NOTE: LH and RH cylinder head gaskets are not interchangeable.

Using a new cylinder head gasket and bolts, install the LH cylinder head and loosely install the bolts.

Cylinder Head Bolt Torque Sequence:

2. Tighten the bolts in six stages in the sequence shown.
- Stage 1: Tighten to 30 Nm (22 ft. lbs.).
- Stage 2: Rotate 90°.
- Stage 3: Back out a minimum of one full turn (360°).
- Stage 4: Tighten to 30 Nm (22 ft. lbs.).
- Stage 5: Rotate 90°.
- Stage 6: Rotate all bolts an additional 90°.





3. Install the special tool.
4. Raise the vehicle.





5. Remove the four crossmember bolts.
6. Lower the vehicle.





7. NOTE: Lubricate the O-ring seal with clean engine oil before installing.

Install the oil level indicator tube stud bolt.





8. NOTE: Clean the sealing surfaces and inspect the O-ring seals thoroughly.

Install the coolant outlet tube and the retaining bolts.





9. Position the noise suppressor and install the bolt.





10. Connect the PCV tube.





11. Install the ground strap.
12. install the lower intake manifold. Service and Repair

13. Install the LH exhaust manifold. Service and Repair

14. Install the LH camshafts. Service and Repair