Intermediate reduction drive (IRD) unit - Td4

INTERMEDIATE REDUCTION DRIVE

REPAIRS

41-3

REPAIRS

Intermediate reduction drive (IRD) unit - 
Td4

$% 41.25.01.99

Remove

1. Disconnect battery earth lead.
2. Raise front of vehicle.

WARNING: Do not work on or under a 
vehicle supported only by a jack. Always 
support the vehicle on safety stands.

3. Remove rear beam.

 + 

 FRONT SUSPENSION, REPAIRS, 

Rear beam.

4. Remove exhaust front pipe.

 + 

 MANIFOLDS & EXHAUST SYSTEMS 

- Td4, REPAIRS, Exhaust pipe - front.

5. Drain fluid from IRD.

 + 

 INTERMEDIATE REDUCTION 

DRIVE, ADJUSTMENTS, Intermediate 
reduction drive (IRD) fluid - drain & refill - 
Non NAS.

6. Drain gearbox fluid.

 + 

 MANUAL GEARBOX - GETRAG, 

ADJUSTMENTS, Gearbox oil - drain and 
refill.
 

 + 

 AUTOMATIC GEARBOX - JATCO, 

ADJUSTMENTS, Gearbox fluid - drain & 
refill.

7. Remove 3 bolts securing RH splash shield to 

body and remove shield.

8. Secure  LRT-54-026 to drive shaft inboard joint. 

Using a suitable lever, release drive shaft from 
IRD.

9. With assistance, pull hub outwards and release 

drive shaft from IRD.

10. Remove and discard drive shaft circlip.
11. Reference mark front propeller shaft for 

reassembly.

12. Raise one rear wheel for rotation of propeller 

shaft to access bolts.