1 documented fault
Other
1 documented fault — symptoms, causes and workshop fixes.
Whining noise from transfer box when driving in 3rd gear at approximately 20-30mph (30-65kph).
All models with four wheel drive.
Faulty detent pin located on transfer box.
Workshop instructions & parts1 part
Workshop procedure
- Fit new detent pin Fig.1273367.1 to transfer box.
- Tighten detent pin to 20 Nm.
- View View more information
| Part | Part number | Qty |
|---|---|---|
| Detent pin | LR178583 | 1 |
Data: Motorwise Workshop. Bulletin 1.
Take it with you
Before you view one
Land Rover Defender 3 P300 MHEV (2022–2026)
Each documented fault as a quick check for a viewing or test drive — tick them off as you go.
A little workshop vocabulary
Workshop terms used on this page
Definitions for the technical language used in these bulletins.
- Nm
- Newton-metres — the standard unit for how tightly a bolt is done up
- Transfer Box
- The gearbox that splits drive between the front and rear axles, and selects high/low range
Common questions
Using this guide.
What are the common faults with the Land Rover Defender 3 P300 MHEV?
Garages and workshops regularly encounter one documented faults on the Land Rover Defender 3 P300 MHEV — all one concern the other. Each fault above lists the symptoms, cause, fix and any parts needed.
Does every Land Rover Defender 3 P300 MHEV have these faults?
No. These are patterns documented across the model by workshops, not predictions for an individual car. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.
Can I check for Land Rover Defender 3 P300 MHEV faults when viewing one?
Many of them, yes — the documented symptoms are things you can see, hear or feel on a viewing or test drive. The 'Before you view one' checklist above turns each documented fault into a quick check you can tick off as you go.