Cylinder Head - LH

Cylinder Head - LH

Material:

LH Cylinder Head

Upper Radiator Support Brackets:

Upper Radiator Support Brackets

Removal

NOTICE: During engine repair procedures, cleanliness is extremely important. Any foreign material (including any material created while cleaning gasket surfaces) that enters the oil passages, coolant passages or the oil pan may cause engine failure.

1. With the vehicle in NEUTRAL position it on a hoist. For additional information refer to Maintenance/Vehicle Lifting. Vehicle Lifting

2. Remove the lower intake manifold. For additional information refer to Engine/Intake Manifold. Intake Manifold

3. Remove the LH catalytic converter. For additional information refer to Exhaust System/Exhaust Manifold. Exhaust Manifold

4. Remove the coolant pump housing. For additional information refer to Cooling System. Cooling System

5. Remove the LH camshafts. For additional information refer to Engine/Camshaft, Lifters and Push Rods/Camshaft. Camshaft

6. NOTICE: The camshaft roller followers must be installed in their original positions. If not reassembled in their original positions, severe engine damage may occur.

Remove the camshaft roller followers.

7. NOTICE: The hydraulic lash adjusters must be installed in their original positions. If not reassembled in their original positions, severe engine damage may occur.

Remove the hydraulic lash adjusters.

8. Remove the 4 upper radiator support bracket bolts.

9. Remove the oil level indicator.

10. Remove the stud bolt and then remove the oil level indicator tube by guiding it between the radiator support and the cooling fan.
- Remove and discard the 0-ring seal.







11. NOTE: New cylinder head bolts must be installed. They are a torque-to-yield design and cannot be reused.

Remove the bolts in the sequence shown.

12. NOTICE: 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.

Clean the cylinder head gasket surfaces with a plastic scraping tool and metal surface prep.

13. Support the cylinder head on a bench with the head gasket side up. Check the cylinder head distortion and the cylinder block distortion. For additional information refer to Engine/Cylinder Head Assembly/Service and Repair/Procedures. Procedures

Installation

1. Position a new gasket and the cylinder head.







2. NOTE: New cylinder head bolts must be installed. They are a torque-to-yield design and cannot be reused.

Install the bolts and tighten in 6 stages in the sequence shown.
- Stage 1: Tighten to 40 Nm (30 lb-ft).
- Stage 2: Tighten 90 degrees.
- Stage 3: Loosen one full turn.
- Stage 4: Tighten to 40 Nm (30 lb-ft).
- Stage 5: Tighten 90 degrees.
- Stage 6: Tighten 90 degrees.

3. NOTE: Installation of the oil level indicator may require the assistance of a second technician to align the tube with the orifice.

NOTE: Install a new 0-ring seal and lubricate with clean engine oil.

Guide the oil level indicator tube between the radiator support and the cooling fan and install it in the orifice install the stud bolt.
- To install tighten to 10 Nm (89 lb-in).

4. Install the oil level indicator.

5. Install the 4 upper radiator support bracket bolts.
- Tighten to 10 Nm (89 lb-in).

6. NOTICE: The hydraulic lash adjusters must be installed in their original positions. If not reassembled in their original positions, severe engine damage may occur.

Install the hydraulic lash adjusters.
- Lubricate the hydraulic lash adjusters with clean engine oil.

7. NOTICE: The camshaft roller followers must be installed in their original positions. If not reassembled in their original positions, severe engine damage may occur.

Install the camshaft roller followers.
- Lubricate the camshaft roller followers with clean engine oil.

8. Install the camshafts. For additional information refer to Engine/Camshaft, Lifters and Push Rods/Camshaft. Camshaft

9. Install the coolant pump housing. For additional information refer to Cooling System. Cooling System

10. Install the LH catalytic converter. For additional information refer to Exhaust System/Exhaust Manifold. Exhaust Manifold

11. Install the lower intake manifold. For additional information refer to Engine/Intake Manifold. Intake Manifold