Tools Required
Removal Procedure
- Raise the vehicle. Refer to
Lifting and Jacking the Vehicle
.
- Remove the axle shafts. Refer to
Front Axle Shaft Replacement
.
- Remove the front cover. Refer to
Differential Carrier Assembly Cover and/or Gasket Replacement
.
- Support the front axle assembly.
- Remove the U-bolts from the front axle assembly, and lower the axle.
- Loosen the bearing cap bolts.
Do not remove the bearing cap bolts at this time.
- Install the
J 24385-C
onto the axle housing as shown.
- Install the
J 25025
(2), the
J 8001-1
and the
J 8001-2
(1), the
J 34178
(3), and the
J 8001-3
and
the
J 8001-4
(4) onto the axle housing as shown.
- Preload the dial of the
J 8001-3
by pushing the
J 8001-3
against the edge of the
J 24385-C
until
the needle of the
J 8001-3
has moved approximately 3/4 of a turn clockwise.
- Rotate the indicator housing to align the indicator needle of the
J 8001-3
and the dial indicator face to ZERO.
Notice: Do not spread the axle housing more than 0.38 mm (0.015 inch).
Overspreading the housing may result in component damage.
- Spread the axle housing by turning the clevis screw of the
J 24385-C
clockwise while observing the
J 8001
.
Spread the housing just enough
to remove the differential assembly.
- Remove the
J 25025-B
, the
J 8001-1
, the
J 8001-2
, the
J 34178
, the
J 8001-3
and the
J 8001-4
from the axle housing.
Caution: Refer to Differential Case Removal Caution in the Preface section.
- Remove the bearing cap bolts.
Important: Corresponding letters are stamped on the bearing caps and axle housing. The bearing caps must be reassembled in the same position as removed.
- Remove the bearing caps.
- Remove the differential assembly.
- Remove the
J 24385-C
.
- Remove the ring gear. Refer to
Drive Pinion and Ring Gear Replacement
.
- Remove the differential side bearings, if necessary. Refer to
Differential Side Bearing Replacement
.
Installation Procedure
- Install the ring gear. Refer to
Drive Pinion and Ring Gear Replacement
.
- Install the differential side bearings, if necessary. Refer to
Differential Side Bearing Replacement
.
- Install the
J 24385-C
onto the axle housing.
- Install the
J 25025-B
(4),
the
J 8001-1
and the
J 8001-2
(5, 1), the
J 34178
(2), and the
J 8001-3
and the
J 8001-4
(3) onto the axle housing as shown.
- Preload the dial of the
J 8001-3
by pushing the
J 8001-3
against the edge of the
J 24385-C
until
the needle of the
J 8001-3
has moved approximately 3/4 of a turn clockwise.
- Rotate the indicator housing to align the indicator needle of the
J 8001-3
and the dial indicator face to ZERO.
Notice: Do not spread the axle housing more than 0.38 mm (0.015 inch).
Overspreading the housing may result in component damage.
- Spread the axle housing by turning the clevis screw of the
J 24385-C
clockwise while observing the
J 8001
.
Spread the housing just enough
to install the differential assembly.
- Remove the
J 25025-B
, the
J 8001-1
, the
J 8001-2
, the
J 34178
, the
J 8001-3
and the
J 8001-4
from the axle housing.
- Install the differential assembly.
- Remove the
J 24385-C
.
Important: Corresponding letters are stamped on the bearing caps and axle housing. The bearing caps must be reassembled in the same position as removed.
- Install the bearing caps.
Notice: Refer to Fastener Notice in the Preface section.
- Install the bearing cap bolts.
Tighten
Tighten the bearing cap bolts to 109 N·m (80 lb ft).
Important: Always replace the U-bolts when loosened or removed.
- Install new U-bolts to the front axle assembly.
Tighten
Tighten to 330 N·m (243 lb ft).
- Install the front cover. Refer to
Differential Carrier Assembly Cover and/or Gasket Replacement
.
- Install the axle shafts. Refer to
Front Axle Shaft Replacement
.
- Fill the axle with the proper lubricant. Refer to
Front Axle Lubricant Replacement
.
- Lower the vehicle.