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landroverdiver

Member Since: 13 Jun 2009
Location: Renfrewshire
Posts: 193

Steering wheel boss

Hi

I have a 53 plate 2004 TD5 station wagon which has the airbag lookalike style steering wheel. Can anyone confirm if it's 36 or 48 spline?

From research on here, I think it's 36.

Obvious answer is to count the splines, but I am in Australia and truck at home in Scotland.

I have bought a momo Nero off ebay and want to order a RDX slimline boss before I get home.

Thanks for any advice.

Mike

27th May 2014 11:19am

Green Machine

Member Since: 19 Nov 2010
Location: North Yorkshire
Posts: 1226

Yep, if it's a genuine CSW with the 'airbag' wheel it's 36 spline.

2005 Td5 | 90 Station Wagon | Tonga Green

27th May 2014 11:43am

mk1collector

Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769

I was under the impression it could be either, but I also have a 2004 53 plate 110 csw and that is 36 spline

27th May 2014 12:31pm

dnorrishill

Member Since: 15 Jul 2011
Location: Hampshire
Posts: 615

2014 Defender 90 Puma 2.2 XS CSW Aintree Green

Best and probably only way to know for sure is to count them. I believe LR had a habit of fitting what ever was to hand at this time, my 2003 td5 county hardtop has 48...

27th May 2014 1:34pm

MichaelHead

Member Since: 16 Jul 2012
Location: Bucks
Posts: 116

Csw had different no of splines to stop people Turning hard tops into station wagons easily .

27th May 2014 1:41pm

rallysteve

Member Since: 10 Feb 2014
Location: Cumbria
Posts: 2229

2002 Defender 110 Td5 DCPU Keswick Green

I looked into this a while ago. Any td5 vehicle that was originally based on a Station Wagon platform (this includes the utility wagon but stragely not the double cab pick up) will have the 36 spline column. The 36 spline td5 wheel is the 'airbag' type one. All td5 utility vehicles have the 48 spline column (including dcpu) and have the soft type two spoke wheel with the big oval LR badge in the centre.

The confusion comes with the introduction of the tdci vehicles as an 'airbag' style wheel with 48 splines appeared.

Hope that helps,
Steve

27th May 2014 1:43pm

leeds

Member Since: 28 Dec 2009
Location: West Yorkshire
Posts: 8581

I have spoken to people who sell steering wheels and as far as Defenders are concerned there is no rhyme or reason to number of splines in the steering boss.

Simple answer is either to count splines or take a measurement IIRC 17mm = 36 splines 19mm = 48 splines.

Some companies sell steering wheels with two bosses and you get a refund on one boss when you return it.

So best advice is to either count/measure the steering column

Alternative is get both bosses with an agreed refund on the one you do not need.

Brendan

27th May 2014 2:11pm

landroverdiver

Member Since: 13 Jun 2009
Location: Renfrewshire
Posts: 193

Steering wheel boss

Answers much appreciated guys.

27th May 2014 9:01pm

Green Machine

Member Since: 19 Nov 2010
Location: North Yorkshire
Posts: 1226

As rallysteve says above - the whole steering wheel splines issue has a reputation as a complete dark art, but it actually isn't. If it's the 'two spoke' wheel as fitted to utility Defenders (lower specs) it's 48 spline. If it's the 'airbag' type on a Td5, it's 36 spline. The problem arises with early Pumas (2007 vintage) where they switched over to a 48 spline column for the 'airbag' wheel as well, but used up the remaining 36's first. So that period with the 'airbag' type wheel could be either and you have to check. But for any other vintage you can be sure what you've got just by the steering wheel. For reference - all Pumas after 2007-2008 are 48 spline whether they're 'two-spoke' or 'airbag' wheel. 2005 Td5 | 90 Station Wagon | Tonga Green

27th May 2014 11:14pm

forever

Member Since: 16 Dec 2013
Location: Surrey
Posts: 72

How many would a 85 90 have, thinking of changing my steering wheel too

26th Jun 2014 4:31pm

Green Machine

Member Since: 19 Nov 2010
Location: North Yorkshire
Posts: 1226

Has it got the 4 spoke steering wheel with square boss? If so, it's 36. 2005 Td5 | 90 Station Wagon | Tonga Green

26th Jun 2014 6:07pm

Martin
Site Admin

Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6608

2015 Defender 90 Puma 2.2 XS CSW Montalcino Red

A page of mine from long ago: http://www.web-rover.co.uk/nav.php?p=articles/steeringwheels

There is a logical pattern, well there is until LR introduced a 48 spline CSW wheel in 2009ish

1988 90 Td5 NAS soft top

2015 D90 XS SW

26th Jun 2014 7:58pm

forever

Member Since: 16 Dec 2013
Location: Surrey
Posts: 72

Thanks so mine will be 36,

30th Jun 2014 9:10am

diesel_jim

Member Since: 13 Oct 2008
Location: hiding
Posts: 6093

See my thread here <--- on how I made a boss out of an old 4 spoke wheel (36 spline)

30th Jun 2014 7:02pm

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