Acura RL. Manual - part 779

Fig. 193: Staking Locknut Tab 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

17. Install the rear differential (see REAR DIFFERENTIAL INSTALLATION ).  

CENTER CASE FRONT OIL SEAL REPLACEMENT 

Special Tools Required  



Companion flange holder 07XAB-0010101  



Oil seal driver E 070AD-RJC0150  



Inner driver handle 40 07746-0030100  

1. Remove the rear differential (see REAR DIFFERENTIAL REMOVAL ).  

2. Raise the locknut tab (A) from the groove of the input shaft, making sure that the tab completely 

clears the groove to prevent damaging the input shaft. 

Fig. 194: Raising Locknut Tab 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

3. Install the companion flange holder on the companion flange. 

 

2007 Acura RL 

2005-08 DRIVELINE/AXLES Rear Differential - RL

  

me 

 

Friday, June 05, 2009 3:02:19 PM

Page 143  © 2005 Mitchell Repair Information Company, LLC. 

Fig. 195: Identifying Companion Flange Holder 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

4. Loosen the locknut (A) counterclockwise so that its tab (B) comes out from the groove (C) in the 

input shaft. 

Fig. 196: Identifying Locknut With Tab And Groove 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

5. Tighten the locknut (A) until its tab (B) aligns with the groove (C). 

Fig. 197: Identifying Locknut With Tab And Groove 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

6. Remove any dirt from inside of the groove in the input shaft, then loosen the locknut.  

7. Remove the 22 mm locknut (A), the 22 mm spring washer (B), the 23 mm back-up ring (C), and the 

23 mm O-ring (D). 

 

2007 Acura RL 

2005-08 DRIVELINE/AXLES Rear Differential - RL

  

me 

 

Friday, June 05, 2009 3:02:19 PM

Page 144  © 2005 Mitchell Repair Information Company, LLC. 

Fig. 198: Identifying Locknut, Spring Washer And O-Ring 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

8. Make a reference mark (A) across the companion flange (B) and the input shaft (C). 

Fig. 199: Identifying Reference Mark Across Companion Flange And Input Shaft 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

9. Remove the companion flange with a commercially available puller (D).  

10. Remove the three 8 x 50 mm flange bolts and the six 8 x 35 mm flange bolts in a crisscross pattern in 

several steps, then remove the front case (A), the 8 x 14 mm dowel pins (B), and the 8 x 130 mm pipe 
(C). 

 

2007 Acura RL 

2005-08 DRIVELINE/AXLES Rear Differential - RL

  

me 

 

Friday, June 05, 2009 3:02:19 PM

Page 145  © 2005 Mitchell Repair Information Company, LLC. 

Fig. 200: Identifying Front Case, Pipe And Bolts 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

11. Remove the high clutch (A). 

Fig. 201: Identifying High Clutch 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

12. Secure the input shaft (A), low clutch (B), and planetary carrier (C) together as an assembly with a 

piece of wire, then remove the assembly. 

NOTE:

Do not remove the input shaft from the low clutch and planetary carrier, 
because aligning the input shaft splines with the other components 
may be difficult.

 

2007 Acura RL 

2005-08 DRIVELINE/AXLES Rear Differential - RL

  

me 

 

Friday, June 05, 2009 3:02:19 PM

Page 146  © 2005 Mitchell Repair Information Company, LLC.