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Paullr90



Member Since: 06 Feb 2011
Location: Derby
Posts: 93
United Kingdom 2003 Defender 90 Td5 XS CSW Bonatti Grey
Replacement ABS pump?
Evening, read all the related posts but can't find any source of a replacement.

My Td5 traction control and ABS light have gone from being on an odd time, solved by a restart or clearing the fault codes to being on all the time.
It gave the usual shuttle valve error so I got my local garage to replace the valve and do the wiring mod. This only lasted a few days before the fault appeared again.
Autologic confirmed that the codes suggest this is the usual solution to the problem but is my unit too worn for repair or is there anything else to try?

No one with good reviews seems to supply a recon unit so am I just left with taking a punt on a unit from a salvage yard?

Any recommendations welcome as my MOT is due soon and I'm sure it won't pass with warning lights on the dash.

Thanks in advice
Paul.
(2003 Td5 90 with 180,000 miles on the clock) 2003 Td5 90XS
1970 Series 11A 2.25TD
2013 Freelander 2 HSE Lux (the wife's)
Post #864278 29th Oct 2020 5:20pm
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Chris86



Member Since: 15 Jul 2014
Location: South Yorks
Posts: 790
United Kingdom 2005 Defender 110 Td5 USW Chawton White
I Believe that A disco 2 TD5 unit can be modified to fit, and are cheaper to get hold of.

Regards

Chris
Post #864281 29th Oct 2020 5:31pm
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Paullr90



Member Since: 06 Feb 2011
Location: Derby
Posts: 93
United Kingdom 2003 Defender 90 Td5 XS CSW Bonatti Grey
Plenty Disco units around Chris but was told they were different.
Any ideas or where to find online how to modify them?

Cheers

Paul. 2003 Td5 90XS
1970 Series 11A 2.25TD
2013 Freelander 2 HSE Lux (the wife's)
Post #864282 29th Oct 2020 5:39pm
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Chris86



Member Since: 15 Jul 2014
Location: South Yorks
Posts: 790
United Kingdom 2005 Defender 110 Td5 USW Chawton White
There was a post on here somewhere about it not long ago- I have just been trying to find it!

Regards

Chris
Post #864284 29th Oct 2020 5:43pm
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Martin
Site Admin


Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6611
United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Montalcino Red
https://www.defender2.net/forum/topic73301...=abs+disco  1988 90 Td5 NAS soft top
2015 D90 XS SW
Post #864286 29th Oct 2020 5:45pm
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Paullr90



Member Since: 06 Feb 2011
Location: Derby
Posts: 93
United Kingdom 2003 Defender 90 Td5 XS CSW Bonatti Grey
Cheers Martin. Knew the forum boss would know the answer!
Off to ebay it is...

Paul. 2003 Td5 90XS
1970 Series 11A 2.25TD
2013 Freelander 2 HSE Lux (the wife's)
Post #864302 29th Oct 2020 6:50pm
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lightning



Member Since: 23 Apr 2009
Location: High Peak, Derbyshire
Posts: 2865
United Kingdom 
After the unit was repaired did you try out the ABS a few times?

Often it fails due to lack of use, the ABS rarely kicks in on a Defender driven on road.
Post #864477 30th Oct 2020 6:53pm
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Paullr90



Member Since: 06 Feb 2011
Location: Derby
Posts: 93
United Kingdom 2003 Defender 90 Td5 XS CSW Bonatti Grey
Just had the call from the garage I didn't want to hear. They've fitted a replacement pump, along with the new shuttle valve and again it initially solved the problem but within 10 minutes the ABS and TC light came on again.

Anyone any suggestions?

All the wiring under the seat looks corrosion free
I've changed the shuttle valve, and done the common wiring mod.

Now I'm still back to having the warning lights on with no chance of passing an MOT.

Any help much appreciated

Paul. 2003 Td5 90XS
1970 Series 11A 2.25TD
2013 Freelander 2 HSE Lux (the wife's)
Post #868150 18th Nov 2020 5:12pm
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Chris86



Member Since: 15 Jul 2014
Location: South Yorks
Posts: 790
United Kingdom 2005 Defender 110 Td5 USW Chawton White
Hi,

Has it been plugged in again since?

Regards

Chris
Post #868212 18th Nov 2020 10:29pm
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Paullr90



Member Since: 06 Feb 2011
Location: Derby
Posts: 93
United Kingdom 2003 Defender 90 Td5 XS CSW Bonatti Grey
Hi Chris,
It's still throwing up the shuttle valve failure code.
The garage is talking to Autologic to see if there's anything else they can do but the last time they asked there weren't any more options to try.

Paul. 2003 Td5 90XS
1970 Series 11A 2.25TD
2013 Freelander 2 HSE Lux (the wife's)
Post #868250 19th Nov 2020 8:56am
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Chris86



Member Since: 15 Jul 2014
Location: South Yorks
Posts: 790
United Kingdom 2005 Defender 110 Td5 USW Chawton White
shuttle Bypass
Hello,

It is possible to do a wiring bypass on the shuttle valve- its seems to be quite a common fix on D2s- if you do. google search it shows you how.

Regards

Chris
Post #868281 19th Nov 2020 1:16pm
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vogue se



Member Since: 24 Jan 2008
Location: Bocholt
Posts: 112
Belgium 2011 Defender 90 Puma 2.4 Exclusive HT Nara Bronze
I'm not sure about the Defender but the classic RR needed a replacement of a fast switching relay.
Post #868348 19th Nov 2020 4:54pm
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MadTom



Member Since: 10 Sep 2013
Location: Olomouc
Posts: 625
Czech Republic 1999 Defender 130 Td5 HCPU Baltic Blue
Bypass is the easiest solution for shuttle valve switch problems - replacing the plastic holder with switches in not right solution, because the problem is in the connector in the main ABS modulator body. I made it on several D2s and few Defs. With not to big hands, it is possible withnout disconnecting the brake lines. "Drobek" = The Small One - Discovery 2, "Blufínek" = The Blue Thing - Defender 130, and for me at least Ford Mondeo Smile
Post #868492 20th Nov 2020 7:08am
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554
have you check wiring and connector to and from ABS pump and the control unit under driver seat
Post #868519 20th Nov 2020 9:32am
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