Retrofitting an (active or manual) rear locking differential LR4

[Dr LC8]

Hi all,

Good morning. I am new here...and I thought you guys might be able to advice.

I am based in UK. I own a D4 2012 SDV6 256bhp. I don't have the factory active rear locking differential and I would like to fit one.

After extensive research I found nothing for sale other than a compatible 8 gear rear diff lock for sale. I want to guess from a crashed car.

Can that be done? Does anyone have experience in this field? Anyone informed on any aftermarket available?

Thanks

Nic

 

[Eniam17]

You can't get an arb rear for your lr4???

 

[DiscoDavis]

Best thing to try would be Disco3.co.uk forums. They are way more technical and have some great how-tos. If its possible you'll find it on there.

 

[ishapiro]

Hi all,

Good morning. I am new here...and I thought you guys might be able to advice.

I am based in UK. I own a D4 2012 SDV6 256bhp. I don't have the factory active rear locking differential and I would like to fit one.

After extensive research I found nothing for sale other than a compatible 8 gear rear diff lock for sale. I want to guess from a crashed car.

Can that be done? Does anyone have experience in this field? Anyone informed on any aftermarket available?

Thanks

Nic

Yes, it can be done. I replaced my non locking with a genuine e-locking one. But be prepared to pay quite a bit for all the parts.

You would need:

Diff
Two Rear half axles
Ecu
Wiring harness
CCF update tool

I have got everything working except the 4x4i screen doesn't show the rear padlock icon. I am pretty sure it works though because i can see RDCM live values changing

The guys at GAP diagnostics were a great help.

I wish i had time to do a full writeup




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[morrisdl]

@Eniam17 ARB only offered a rear locker for the LR4's for a short time. Too bad, cause I love mine in the LR3. Expeditionportal's LR4 got one and there is a review, but the ARB RD218 documentation was revised that is "DOES NOT FIT LR4". Maybe it was only some LR4's that it was incompatible with and ARB thought it was too confusing to customers to determine which would work. http://store.arbusa.com/ARB-Air-Locker-Land-Rover-LR3-Rear-RD218-P22820C7.aspx