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Crofter

Member Since: 19 Feb 2015
Location: Peterhead
Posts: 169

2009 Defender 110 Puma 2.4 USW Baltic Blue

Diff lock cannot be selected

I cannot select diff lock but it’s about 7 years since used it.
Are there any things I can do to be able to free this.
I can select high and low easily.
I believe lack of use is my problem. Own goal.

Anyone had this problem before?

16th Jan 2023 7:25pm

geobloke

Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

Ahhhhh Use it or lose it my friend...

It is likely that the C-clip that connects to the diff lock actuator has corroded in place. It is a common thing on Land Rovers that do not get used often.

Circled in red.

Click image to enlarge

Whatever you do... Do NOT force it...

16th Jan 2023 7:34pm

Crofter

Member Since: 19 Feb 2015
Location: Peterhead
Posts: 169

Thanks your right use it or lose it.

I will have a look to see what is involved not been into this part of my Landy so far.

Much appreciated thanks.

16th Jan 2023 7:41pm

geobloke

Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

The first step is going to be removing the matting and transmission tunnel then you can look down on to the linkage. You might be able to work it loose with some penetrating oil and a little heat. If it is stuck solid then it looks like you cannot buy the bits of the linkage separately for the Puma. So fingers crossed you can work it loose

16th Jan 2023 7:54pm

Crofter

Member Since: 19 Feb 2015
Location: Peterhead
Posts: 169

That sounds a good plan.
I was looking at the Haynes manual and it tells me nothing.
I will do a bit of exploring tomorrow in day light

You have been a great help thanks.

16th Jan 2023 8:01pm

geobloke

Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

You are welcome. any problems just shout out, there are loads on here who can help.

16th Jan 2023 8:17pm

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2667

2010 Defender 90 Puma 2.4 SW Alpine White

7 years without using the CDL????

--
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged

Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

16th Jan 2023 9:18pm

geobloke

Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

Happens more often than you would think...

16th Jan 2023 9:20pm

Muddybigdog

Member Since: 11 Apr 2014
Location: Suffolk
Posts: 1033

2007 Defender 90 Puma 2.4 XS CSW Zambezi Silver

My old neighbour always said to stick it in reverse and try lock the diff at super slow speed backwards, never had the bottle to try it myself, could never fathom that reasoning Jumped ship to reliability - Mitsubishi L200
Puma 90 XS - Sold
D3 - 2.7 S x2 (both Sold)
Freelander 2 HSE - Sold
Freelander 1 - Sold
Disco 2 - Sold

16th Jan 2023 10:03pm

Ianh

Member Since: 17 Sep 2018
Location: Essex
Posts: 2214

You can get at it from under the vehicle , with a good torch you can see it and spraying the linkage shown with proper penetrating oil, I.e plus gas, waiting about 10 mins , then doing again, waiting 10 mins then trying to wiggle the lever without too much pressure may get it moving. Once it is moving spray more penetrating oil and see how free it’s moving with someone else moving the lever while you are under the vehicle. That way you can see all the moving parts that need lubricating. When all working use some light spray grease on the linkage to keep it lubricated.

If unsuccessful you will likely need to get at it from above as per geoblokes instructions.

16th Jan 2023 10:51pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17667

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

Muddybigdog wrote:
My old neighbour always said to stick it in reverse and try lock the diff at super slow speed backwards, never had the bottle to try it myself, could never fathom that reasoning

Why would doing this require "bottle"? I don't understand!

17th Jan 2023 9:04am

Muddybigdog

Member Since: 11 Apr 2014
Location: Suffolk
Posts: 1033

Bloody good track record of things going bang that ends up costing me more

Jumped ship to reliability - Mitsubishi L200
Puma 90 XS - Sold
D3 - 2.7 S x2 (both Sold)
Freelander 2 HSE - Sold
Freelander 1 - Sold
Disco 2 - Sold

17th Jan 2023 9:55am

Crofter

Member Since: 19 Feb 2015
Location: Peterhead
Posts: 169

Thanks guys I had hoped to get on it today but will tomorrow.
I appreciate the help.

17th Jan 2023 5:26pm

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