Cylinder Head Replacement RH

Cylinder Head RH





Material

Removal

1. With the vehicle in NEUTRAL, position it on a hoist.

2. Release the fuel system pressure. For additional information,

3. Remove the coolant pump bypass tube.

4. Remove the rear support brace.
1. Remove the bolt.
2. Remove the nut.
3. Remove the rear support brace.






5. Remove the lower intake manifold.

6. Remove the RH camshafts.

7. Using the special tools, lower the engine until it is aligned with the A/C compressor bracket, and finger-tighten the four bolts.






8. Remove the three-bar engine support.





9. Remove the RH exhaust manifold-to-pipe bolts.





10. Disconnect the Exhaust Gas Recirculation (EGR) tube from the exhaust manifold.






11. Remove the bolt and the ground wire.





12. Remove the camshaft followers.





13. Remove the hydraulic lash adjusters.

14. Disconnect the RH heated oxygen sensor (H02S) electrical connector.

15. Remove the nuts in the sequence shown and remove the RH exhaust manifold.
Remove the studs.
Discard the gasket, studs and nuts.






16. Remove the RH cylinder block drain plug.






17. NOTE: New cylinder head bolts must be installed. They are torque-to-yield designed and cannot be reused.

Remove the bolts in the sequence shown and remove the cylinder head.
- Discard the gasket and the bolts.






18. NOTE: The straightedge used must be flat within 0.0051 mm (0.0002 inch) 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 inch) across a 38.1 mm (1.5 inch) square area, or scratches more than 0.0254 mm (0.001 inch) 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.

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

Position the RH cylinder head, gasket and install the bolts in the sequence shown in six stages.
- Tighten the bolts in six stages.
- Stage 1: Tighten to 40 Nm (30 ft. lbs.).
- Stage 2: Tighten bolts 90 degrees.
- Stage 3: Loosen one full turn.
- Stage 4: Tighten to 40 Nm (30 ft. lbs.).
- Stage 5: Tighten 90 degrees.
- Stage 6: Tighten 90 degrees.






2. Install the RH cylinder block drain plug.






3. Install the new RH exhaust manifold studs.
Tighten to 12 Nm (9 lb-ft).






4. Install the new RH exhaust manifold gasket, the exhaust manifold and the new nuts.
Tighten the nuts in the sequence shown.

5. Connect the RH HO2S electrical connector.





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





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

8. Install the ground wire and bolt.






9. Connect the EGR tube to the exhaust manifold.






10. Install the RH exhaust manifold-to-pipe bolts.






11. Install the three-bar engine support.

12. Remove the four A/C compressor bracket bolts.






13. Using the special tools, raise the engine away from the A/C compressor bracket.






14. Install the RH camshafts. For additional information, refer to Camshafts RH in this section.

15. Install the lower intake manifold. For additional information, refer to Lower Intake Manifold in this section.

16. Install the rear support brace.
1. Install the rear support brace.
2. Install the bolt.
3. Install the nut.






17.Install the coolant pump bypass tube. For additional information, refer to Section 303-03