Acura RL. Instruction — page 316

paper slightly, so that it unrolls and fits the bore tightly, then polish the bore by twisting the paper as you
push it in and out.

Fig. 459: Polishing Valve Body Bore Using ATF-Soaked #600 Paper
Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Remove the #600 paper. Thoroughly wash the entire valve body in solvent, then dry it with compressed

air.

6. Coat the valve with ATF, then drop it into its bore. It should drop to the bottom of the bore under its own

weight. If not, repeat steps 4 and 5, then retest. If the valve still sticks, replace the valve body.

Fig. 460: Dropping Valve Into Valve Body Bore (Coat With ATF)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Remove the valve, and thoroughly clean it and the valve body with solvent. Dry all parts with compressed

NOTE:

The valve body is aluminum and doesn’t require much polishing to remove
any burrs.

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air, then reassemble using ATF as a lubricant.

VALVE BODY VALVE INSTALLATION

1. Coat all parts with ATF before assembly.

2. Install the valves and springs in the sequence shown for the main valve body (see MAIN VALVE BODY

DISASSEMBLY, INSPECTION, AND REASSEMBLY ), secondary valve body (see SECONDARY
VALVE BODY DISASSEMBLY, INSPECTION, AND REASSEMBLY
), regulator valve body (see
REGULATOR VALVE BODY DISASSEMBLY, INSPECTION, AND REASSEMBLY ), and
accumulator body (see ACCUMULATOR BODY DISASSEMBLY, INSPECTION, AND
REASSEMBLY
). Refer to the following valve cap illustrations, and install each valve cap so the end
shown facing up will be facing the outside of the valve body, then secure the valve cap with the valve cap
clip.

Fig. 461: Identifying Valve Cap
Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Install the valve (A) and valve spring (B) in the valve body. Push the valve spring in with a screwdriver,

then install the spring seat (C).

Fig. 462: Installing Valve And Valve Spring Into Valve Body With Screwdriver
Courtesy of AMERICAN HONDA MOTOR CO., INC.

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MAIN VALVE BODY DISASSEMBLY, INSPECTION, AND REASSEMBLY

’05 Model

1. Clean all parts thoroughly in solvent, and dry them with compressed air. Blow out all passages.

2. Do not use a magnet to remove the cooler check valve, it may magnetize the check valve (ball).

3. Inspect the main valve body for scoring and damage.

4. Check all valves for free movement. If any fail to slide freely, refer to the valve body repair (see VALVE

BODY ).

5. Coat all parts with ATF during assembly.

6. Replace the filter with a new one, and install it and the lubrication check valve in the direction shown.

Fig. 463: Disassembling Main Valve Body (05 Model)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

VALVE SPRING SPECIFICATIONS

VALVE SPRING SPECIFICATIONS

Valve Springs

Standard (New)-Unit: mm (in.)

Wire Diameter

O.D.

Free Length

No. of Coils

A

Cooler check
valve spring

0.6 (0.024)

5.8 (0.228)

14.5 (0.571)

6.8

B

Torque converter
check valve
spring

1.1 (0.043)

8.6 (0.339)

35.0 (1.378)

12.6

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’06-08 Models

1. Clean all parts thoroughly in solvent, and dry them with compressed air. Blow out all passages.

2. Inspect the main valve body for scoring and damage.

3. Check all valves for free movement. If any fail to slide freely, refer to the valve body repair (see VALVE

BODY ).

4. Coat all parts with ATF during assembly.

5. Replace the filter with new one, and install it and the lubrication check valve in the direction shown.

C

Lock-up shift
valve spring

1.0 (0.039)

6.6 (0.260)

35.5 (1.398)

18.2

D

Shift valve E
spring

0.7 (0.28)

6.6 (0.260)

42.4 (1.669)

17.6

E

Shift valve A
spring

0.9 (0.035)

6.6 (0.260)

50.5 (1.988)

23.3

F

Shift valve B
spring

0.8 (0.031)

6.6 (0.260)

49.1 (1.933)

21.7

G

Modulator valve
spring

1.6 (0.063)

10.4 (0.409)

33.5 (1.319)

9.8

H

CPC valve A
spring

0.7 (0.028)

6.1 (0.240)

17.8 (0.701)

7.9

I

Servo control
valve spring

0.9 (0.035)

9.6 (0.378)

30.2 (1.189)

8.4

J

Lubrication
control valve
spring

0.9 (0.035)

8.7 (0.343)

25.0 (0.984)

7.2

K

Lock-up timing
valve spring

0.65 (0.026)

6.6 (0.260)

34.8 (1.370)

15.6

L

Relief valve
spring

1.0 (0.039)

9.6 (0.378)

28.1 (1.106)

7.7

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2005-08 TRANSMISSION Automatic Transmission — RL

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