Acura RL (1996-2004 year). Manual — part 465
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Differential Assembly
Reassembly
NOTE:
If replacement is required, always replace the drive
pinion and ring gear as a set.
If the drive pinion and ring gear are replaced, check the
height adjustment (see page
).
If replacement of one of the tapered roller bearings in
the drive pinion and in the differential carrier is
required, use the same make bearings and replace both
bearings at the same time.
DRIVE PINION
ETCHED MARK
eg: A1- +/- 20
set number
RING GEAR
SET NUMBER
1. Install the 43 mm thrust shim and tapered roller
bearing using the special tools and a press as shown.
NOTE: Use a used pinion spacer with the special
tool for bearing installation, and then discard the
used pinion spacer.
PRESS
DRIVER, 40 mm I.D.
ATTACHMENT, 35 mm
TAPERED ROLLER
BEARING
43 mm
THRUST
SHIM
PINION SPACER
(Used)
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2. Check the differential case bearing surface areas for
burrs, and remove as needed. Position the inboard
thrust washer into the differential case. Using the
sides of the special tools stamped "A", install the
outboard bearing outer race as shown. Repeat for
the inboard bearing outer race.
THRUST WASHERS
BEARING OUTER RACE
(inboard)
BEARING OUTER
RACE (outboard)
DIFFERENTIAL
CASE
a. First install the outboard bearing outer race.
TAPERED
BEARING RACE
INSTALLER A
MARK B
BEARING
OUTER
RACE
INSTALLER
SHAFT
MARK B
TAPERED
BEARING RACE
INSTALLER B
b. Next install the inboard bearing outer race.
TAPERED
BEARING RACE
INSTALLER A
THRUST WASHER
MARK B
MARK B
TAPERED
BEARING RACE
RACE
3. Install the 79.5 mm thrust shim(s) and bearing outer
race using the special tools as shown.
NOTE: Install the 79.5 mm thrust shim(s) that was
removed.
79.5 mm
THRUST SHIM(S)
(1 or 2 shims)
DIFFERENTIAL
CASE
BEARING DRIVER
ATTACHMENT
DRIVER
79.5 mm THRUST SHIM(S)
(1 or 2 shims)
BEARING OUTER RACE
INSTALLER
SHAFT
THRUST WASHER
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Differential Assembly
Reassembly (cont'd)
4. Install the 79.5 mm thrust shim(s) and bearing outer
race using the special tools as shown.
NOTE: Install the 79.5 mm thrust shim(s) that was
removed.
BEARING OUTER RACE
79.5 mm THRUST SHIM(S)
(1 or 2 shims)
DIFFERENTIAL
CASE COVER
BEARING DRIVER
ATTACHMENT
DRIVER
79.5 mm THRUST SHIM(S)
(1 or 2 shims)
5. Apply lubricant to the tapered roller bearing, then
install the drive pinion into the differential case as
shown.
NOTE: Do not install the pinion spacer and thrust
washers at this time.
DRIVE PINION
DIFFERENTIAL
CASE
6. Apply lubricant to the tapered roller bearing, then
install it using the special tool while holding the drive
pinion as shown.
DRIVER, 40 mm I.D.
TAPERED ROLLER
BEARING
DRIVE PINION
7. Install the large thrust washer, pinion hub, small
thrust washer, and a new locknut.
NOTE: Lubricate the locknut and drive pinion threads
with gear oil.
LOCKNUT
THRUST WASHER
PINION HUB
THRUST WASHER
DRIVE PINION
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8. Hold the drive pinion with a 1 1/4" (32 mm) hex bit
and socket as shown, then carefully tighten the pin-
ion locknut until there is no play in the pinion shaft.
Torque: 20 N-m (2.0 kgf-m, 14 Ibf-ft)
CAUTION: To avoid damaging the tapered roller
bearing, do not overtighten the locknut.
1 1/4" (32 mm) HEX BIT and SOCKET
(Commercially available)
DIFFERENTIAL
CARRIER
12. Install the special tool as shown, then rotate the
drive pinion in both directions so that the ring gear
rotate one full turn in both directions. During this
operation resistance should be applied to the ring
gear.
LOCKNUT SOCKET,
36 x 41 mm
CORRECT TOOTH CONTACT
13. Remove the differential case cover, and check the
tooth contact pattern (heel and toe). Adjust the ring
gear tooth contact as needed (see page
).
14. After adjusting the ring gear tooth contact, remove
the drive pinion, then install a new pinion spacer
and thrust washers on the drive pinion.
PINION SPACER
THRUST WASHERS
DRIVE PINION
9. Clean the ring gear teeth, then paint them lightly and
evenly with Prussian Blue (on both sides of each
tooth).
10. Apply lubricant to the tapered roller bearings, install
the differential carrier into the differential case, then
install the differential case cover.
11. Install the bolts and tighten in a crisscross pattern in
several steps. 10 x 1.25 mm
44 N-m (4.5 kgf-m, 33 Ibf-ft)
DIFFERENTIAL
CASE COVER
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