Acura RL. Instruction — page 352

Fig. 686: Identifying Transfer Output Shaft (Hypoid Gear) And Transfer Housing
Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Install the companion flange (A), conical spring washer (B) (in the direction shown), and locknut (C) on

the transfer output shaft (hypoid gear) (D). Do not install the O-ring and back-up ring.

Fig. 687: Identifying Companion Flange And Conical Spring Washer
Courtesy of AMERICAN HONDA MOTOR CO., INC.

8. Secure the transfer housing (A) in a bench vise (B) with soft jaws. To prevent damage to the transfer

housing, always use soft jaws or equivalent materials between the transfer housing and the vise.

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2005-08 TRANSMISSION Automatic Transmission — RL

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Fig. 688: Identifying Transfer Housing In Bench Vise With Companion Flange Holder
Courtesy of AMERICAN HONDA MOTOR CO., INC.

9. Install the companion flange holder on the companion flange.

10. Tighten the locknut while measuring the starting torque of the transfer output shaft (hypoid gear) so the

starting torque is within 1.15-1.71 N.m (11.7-17.4 kgf.cm, 10.2-15.1 lbf.in.). Do not stake the locknut in
this step.

11. Remove the companion flange holder.

12. Apply Prussian Blue to both sides of the transfer hypoid drive gear teeth lightly and evenly.

13. Install the tapered roller bearing (A), 25 mm thrust shim (B), and transfer drive gear-shaft assembly (C) in

the transfer housing (D).

Fig. 689: Identifying Tapered Roller Bearing, Thrust Shim And Transfer Drive Gear-Shaft
Assembly With Torque Specifications

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Courtesy of AMERICAN HONDA MOTOR CO., INC.

14. Install the transfer cover (E), and secure it with the bolts. Do not install the O-ring on the transfer cover.

15. Rotate the companion flange in both directions until the transfer gears rotate one full turn in both

directions.

16. Set a dial indicator (A) on the transfer companion flange (B); position the dial indicator tip (C) on the top

of the bolt (D).

Fig. 690: Setting Dial Indicator On Transfer Companion Flange
Courtesy of AMERICAN HONDA MOTOR CO., INC.

17. Measure transfer gear backlash.

Standard: 0.06-0.16 mm (0.002-0.006 in.)

18. Remove the transfer cover and the transfer hypoid drive gear/shaft assembly, and check the transfer

hypoid drive gear tooth contact pattern.

CORRECT TOOTH CONTACT PATTERN

Fig. 691: Correct Tooth Contact Pattern
Courtesy of AMERICAN HONDA MOTOR CO., INC.

INCORRECT TOOTH CONTACT PATTERN

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2005-08 TRANSMISSION Automatic Transmission — RL

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Fig. 692: Incorrect Tooth Contact Pattern
Courtesy of AMERICAN HONDA MOTOR CO., INC.

19. If the backlash measurement is out of the standard, adjust the backlash with the 40 mm thrust shim and

recheck. Do not use more than two 40 mm thrust shims to adjust the backlash.

20. If the transfer gear tooth contact is incorrect, adjust the tooth contact with the 25 mm, 40 mm, or 80 mm

thrust shim. Do not use more than two shims of each thrust shim to adjust the tooth contact.

Toe Contact

Use a thinner 40 mm thrust shim to move the transfer output shaft (hypoid gear) away from the
transfer hypoid drive gear. Because this movement causes the transfer gear backlash to change,
move the transfer hypoid drive gear toward the transfer output shaft (hypoid gear) to adjust the
transfer gear backlash as follows:

Reduce the thickness of the 25 mm thrust shim.

Increase the thickness of the 80 mm thrust shim by amount the 25 mm thrust shim was
reduced.

Heel Contact

Use a thicker 40 mm thrust shim to move the transfer output shaft (hypoid gear) toward the transfer
hypoid drive gear. Because this movement causes the transfer backlash to change, move the
transfer hypoid drive gear away from the transfer output shaft (hypoid gear) to adjust the transfer
gear backlash as follows:

Increase the thickness of the 25 mm thrust shim.

Reduce the thickness of the 80 mm thrust shim by the amount the 25 mm thrust shim was
reduced.

Flank Contact

2007 Acura RL

2005-08 TRANSMISSION Automatic Transmission — RL

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