Acura RL (1996-2004 year). Manual - part 446

ATP Pump

Inspection

1. Install the ATP pump gears and ATP pump driven

gear shaft in the ATP pump body.

NOTE:
• Lubricate all parts with ATP during the inspec-

tion.

• Install the ATP pump driven gear with its grooved

and chamfered side facing up as shown.

ATP PUMP DRIVE
GEAR

ATF PUMP DRIVEN GEAR
Grooved and chamfered side
facing up.

ATF PUMP BODY

ATF PUMP DRIVEN
GEAR SHAFT

2. Measure the side clearance of the ATF pump drive

and driven gears.

ATF Pump Gears Side (Radial) Clearance:
Standard (New):
ATF Pump Drive Gear
0.210 - 0.265 mm (0.0083 - 0.0104 in)
ATF Pump Driven Gear
0.070 - 0.125 mm (0.0028 - 0.0049 in)

FEELER GAUGE

ATF PUMP
DRIVE GEAR

Inspect teeth for

wear or damage.

ATF PUMP
DRIVEN GEAR
Inspect teeth for
wear or damage.

3. Remove the ATF pump driven gear shaft. Measure

the thrust clearance of the ATF pump driven gear-
to-valve body, with a straight edge and a feeler

gauge.

ATF Pump Drive/Driven Gear Thrust (Axial) Clearance:
Standard (New): 0.03 - 0.05 mm (0.001 - 0.002 in)
Service Limit: 0.07 mm (0.003 in)

STRAIGHT
EDGE

FEELER
GAUGE

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Reverse Accumulator/1st-hold Accumulator

Disassembly/Inspection/Reassembly

NOTE:
• Clean all parts thoroughly in solvent or carburetor cleaner, and dry them with compressed air.

• Blow out all passages.

• Replace the O-rings.
• Check all pistons for free movement. If any fail to slide freely, see Valve Body Repair on page 

14-136

.

• Coat all parts with ATP during assembly.

SNAP RING

O-RINGS

Replace.

REAR COVER

SEALING BOLT

8 x 1.25 mm

18 N-m (1.8 kgf-m,
13 Ibf-ft)

SEALING WASHER
Replace.

O-RING
Replace.

SNAP RING

1ST-HOLD ACCUMULATOR
PISTON

1ST-HOLD ACCUMULATOR

SLEEVE

REVERSE ACCUMULATOR
SLEEVE

REVERSE ACCUMULATOR
PISTON

SEALING BOLT
8 x 1.25 mm

18 N-m (1.8 kgf-m, 13 Ibf-ft)

SEALING WASHER

Replace.

SPRING SPECIFICATIONS

Unit: mm (in)

O-RINGS
Replace.

O-RING
Replace.

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Accumulator Piston Removal

1. Remove the snap ring.

2. Remove the accumulator sleeve and spring.

3. Wrap a shop towel around the accumulator piston,

and apply air pressure to the fluid passage to remove

the piston.

• Do not place your fingers in front of piston.
• Do not use high air pressure; use an OSHA

approved 30 PSI nozzle.

REAR COVER

SHOP TOWEL

COMPRESSED AIR
HOSE NOZZLE
OSHA-Approved 30 psi
type only.

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Rear Cover/Clutch Feed Pipes

Disassembly/Inspection/Reassembly

NOTE:

• Clean all parts thoroughly in solvent or carburetor cleaner, and dry with compressed air.

• Blow out all passages.

• Replace the O-rings.

• Coat all parts with ATF during assembly.

SNAP RING

ATF FEED
GUIDE

O-RING
Replace

FEED PIPE
GUIDE

1ST-HOLD CLUTCH

FEED PIPE

SNAP RING

FEED PIPE GUIDE

O-RINGS
Replace.

2ND CLUTCH
FEED PIPE

1ST CLUTCH

FEED PIPE

REAR COVER

REVERSE CLUTCH
FEED PIPE

O-RINGS
Replace.

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