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Acura RL. Manual - part 418

Fig. 85: Removing Harness Clamps And Fasteners
Courtesy of AMERICAN HONDA MOTOR CO., INC.

19. Remove the two bolts (B) securing the vacuum line.

20. Remove the harness clamp (C).

21. Remove the connector bracket from the front cylinder head.

Fig. 86: Identifying Connector Bracket Bolt
Courtesy of AMERICAN HONDA MOTOR CO., INC.

22. Remove the engine mount control solenoid valve bracket from the rear cylinder head.

2007 Acura RL

2005-08 ENGINE Cylinder Head - RL

Friday, June 05, 2009 3:18:37 PM

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Fig. 87: Identifying Engine Mount Control Solenoid Valve Bracket Bolt
Courtesy of AMERICAN HONDA MOTOR CO., INC.

23. Remove the fuel rails (see INJECTOR REPLACEMENT ).

24. Remove the ground cable (A), then remove the water passage (B) and connecting pipe (C).

Fig. 88: Identifying Ground Cable, Water Passage And Connecting Pipe
Courtesy of AMERICAN HONDA MOTOR CO., INC.

25. Remove the front and rear camshaft pulleys (A) and front and rear back covers (B).

2007 Acura RL

2005-08 ENGINE Cylinder Head - RL

Friday, June 05, 2009 3:18:37 PM

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Fig. 89: Identifying Camshaft Pulleys And Back Covers
Courtesy of AMERICAN HONDA MOTOR CO., INC.

26. Remove the cylinder head covers (see CYLINDER HEAD COVER REMOVAL ).

27. Remove the cylinder head bolts. To prevent warpage, loosen the bolts in sequence 1/3 turn at a time;

repeat the sequence until all bolts are loosened.

Fig. 90: Identifying Tightening Sequence Of Cylinder Head Bolts
Courtesy of AMERICAN HONDA MOTOR CO., INC.

28. Remove the cylinder heads.

CAMSHAFT REPLACEMENT

FRONT

1. Make sure you have the anti-theft codes for the audio system and the navigation system (if equipped).

Make sure the ignition switch is OFF.

2. Remove the battery trim and the left upper fender trim (see step 3 ENGINE REMOVAL ).

3. Disconnect the negative cable from the battery first, then disconnect the positive cable.

4. Remove the battery.

5. Drain the engine coolant (see COOLANT CHECK ).

6. Remove the upper radiator hose (A), lower radiator hose (B), and hose clamp (C).

2007 Acura RL

2005-08 ENGINE Cylinder Head - RL

Friday, June 05, 2009 3:18:37 PM

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Fig. 91: Identifying Upper & Lower Radiator Hoses And Fasteners With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Remove the exhaust gas recirculation (EGR) valve (see EGR VALVE REPLACEMENT ).

8. Remove the timing belt (see TIMING BELT REMOVAL ).

9. Remove the rocker arm assembly (see ROCKER ARM ASSEMBLY REMOVAL ).

10. Remove the front camshaft pulley.

11. Remove the thrust cover (A), then remove the front camshaft (B).

Fig. 92: Identifying Thrust Cover And Front Camshaft With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.

12. Install the front camshaft in the reverse order of removal. Always use a new O-ring (C). Apply new

engine oil to the journals and camshaft lobes.

13. Apply new engine oil to the threads of the camshaft pulley mounting bolt, then install the front

camshaft pulley (see step 11 ).

14. Install the rocker arm assembly, then tighten the mounting bolts (see step 8 ).

2007 Acura RL

2005-08 ENGINE Cylinder Head - RL

Friday, June 05, 2009 3:18:37 PM

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