Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 1134

4A2–4

DIFFERENTIAL (REAR)

Rear Axle Noise

Limited Slip Differential

Condition

Possible cause

Correction

Noise 

in 

Drive

Excessive pinion to ring gear
backlash.

Adjust.

Worn pinion and ring gear.

Replace

Worn pinion .bearings.

Replace.

Loose pinion bearings.

Adjust.

Excessive pinion end play.

Adjust.

Worn side bearings.

Replace.

Loose side bearings.

Adjust.

Excessive ring gear run-out.

Replace.

Low oil level.

Replenish.

Wrong or poor grade oil.

Replace.

Bent axle housing.

Replace.

Noisy when coasting

Axle noise heard when driving will
usually be heard also on coasting,
although not as loud.

Adjust or replace.

Pinion and ring gear too tight
(audible when slowing down and
disappears when driving).

Adjust.

Intermittent noise

Warped bevel ring.

Replace.

Loose differential case bolts.

Tighten.

Constant 

noise

Flat spot on pinion or ring gear
teeth.

Replace.

Flat spot on bearing.

Replace.

Worn pinion splines.

Replace.

Worn axle shaft dowel holes.

Replace.

Worn hub studs.

Replace.

Bent axle shaft.

Replace.

Noisy 

on 

turns

Worn differential side gears and
pinions.

Replace.

Worn differential shaft.

Replace.

Worn axle shaft splines.

Replace.

Condition

Possible cause

Correction

Does not lock

Broken clutch plates.

Replace the clutch plates.

Chatters in turns

Lubricant contaminated.

Drain lube when hot. Wipe carrier
clean.   Refill with lube specified in
Main Data and Specifications at the
end of this section.

Clutch plates dateriorated.

Replace clutch plates.

Noise (in addition to normal clutch
engagement)

Broken clutch plates.

Replace clutch plates.

Damaged case.

Replace unit.

Broken differential gears.

Replace gears.

DIFFERENTIAL (REAR)

4A2–5

Axle Housing

Axle Housing and Associated Parts

420RW030

EndOFCallout

Removal

1. Raise the vehicle and support it with suitable safety

stands.
The hoist must remain under the rear axle housing.

2. Take out brake fluid.  Refer to Hydraulic Brakes in

Brake section.

3. Remove rear wheels and tires.  Refer to Wheel

Replacement in Suspension section.

4. Remove propeller shaft.  Refer to Rear Propeller

Shaft in this section.

5. Drain the rear axle oil into a proper container.

6. Remove parking brake cable, release the

connection between the cable fixing clip equalizer.
Refer to Parking Brakes in Brake section.

7. Move the clip aside and pull out the breather hose.

8. Disconnect the ABS connectors (1) and remove the

brackets attached to the frame and   center link.

350R200005

Legend

 (1)  Lower Link 
 (2)  Stabilizer 
 (3)  Upper Link 
 (4)  Rear Propeller shaft 
 (5)  Shock Absorber 

 (6)  Lateral Rod 
 (7)  Brake Hose 
 (8)  Coil Spring 
 (9)  Parking Cable 

 (10)  Axle Assembly 

4A2–6

DIFFERENTIAL (REAR)

9. Loosen the brake tube flare nut, remove the clip and

take out the brake tube.

350RW020

10. Remove the shock absorber.

11. Remove the stabilizer linkage mounting bolts and

nuts (2) from the frame side.

350R200006

12. Remove the lateral rod fixing bolt and nut from the

frame.

13. Remove the upper link mounting bolt and nut (3)

from the axle housing.

460RW015

14. Remove the lower link fixing bolt and nut (4) from

the axle housing.

460RW016

15. Jack down and remove the coil spring and insulator.

16. Axle housing assembly can be separated from the

vehicle on completion of steps 1 – 15.

17.  Remove the brake caliper fixing bolt, loosen the

flare nut, release the clip and take out the brake
caliper together with the flexible hose. 

18. Remove brake disc.

19. Remove antilock brake system speed sensor fixing

bolt and the clip and bracket on the axle housing.

20. Remove the brake pipe clip and fixing bolt on the

axle housing and take out the brake pipe. 

DIFFERENTIAL (REAR)

4A2–7

Installation

1. Install brake pipe.

2. Connect Antilock brake system (ABS) speed sensor

and harness, refer to 4–Wheel Anti–Lock Brake
System (ABS) in Brake section. 

3. Install brake disc.

4. Install brake caliper. Refer to Disk Brakes in Brake

section.

5. Install axle housing assembly.

6. Install coil spring and insulator.

7. Install the lower link fixing bolt and nut to the axle

housing. For the procedures in items 7–11, refer to
Suspension section.

8. Install the upper link bolt and nut to the axle

housing.

9. Install the lateral rod fixing nut and bolt to the frame

side.

10. Install the stabilizer linkage mounting nut and bolt to

the frame side.

11. Install the shock absorber.

12. Install brake tube flare nut, Refer to Disk Brakes in

Brake section.

13. Install ABS connector and bracket.

14. Connect breather hose.

15. Install parking brake cable, Refer to Parking Brakes

in Brake section.

16. Bleed brakes. Refer to Hydraulic Brakes in Brake

section.

Axle Shaft, Oil Seal and Bearing

Axle Shaft and Associated Parts

Disc Brake Model

420RW008

EndOFCallout

Drum Brake Model

420RX001

EndOFCallout

 Legend  

 (1)  Axle Shaft 
 (2)  Backing Plate 
 (3)  Oil Seal 
 (4)  Bearing 
 (5)  Axle Housing 
 (6)  Lock Washer 
 (7)  Nut 

 Legend  

 (1)  Axle Shaft 
 (2)  Backing Plate 
 (3)  Oil Seal 
 (4)  Bearing 
 (5)  Axle Housing 
 (6)  Lock Washer 
 (7)  Nut