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Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2081
United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Flippin’ 3 Amigos
Yes I’ve got the Defender equivalent of the 3 Amigos.

Noticed a chafed wire to my NSR abs sensor when working on something else.

Said lights came on whilst out on the road. When I returned I replaced the sensor and wiring as I had spares.

Lights went off for day a couple of hundred miles (job well done I thought…) and then…they returned.

I read that it might be a faulty abs solenoid so I bought a WABCO replacement. I was quite (very) pleased with myself for replacing it in situ through the wing vent aperture (keyhole surgeon by trade).



Click image to enlarge


The lights remain - but it did occur to me that I may have to have the fault reset?

I’m hoping it’s not the big expensive abs block replacement so I’m desperately looking for simpler solutions.

I’m now looking at my recently replaced abs sensor - does it look far enough in to you?

Cheers,

Will



Click image to enlarge
Post #961457 12th Aug 2022 5:08pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2081
United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Really not sure how…

But those 3 Amigos are no longer with us.

Spent a bit of time testing and checking all the fuses, wiring, relays, connectors etc. on the ABS circuit and applied switch/contact cleaner along the way.

That ‘might’ have done it OR the new sensor OR the new WABCO modulator valve switch thingy.

Who knows?

Not really that reassured and they may be back! Whistle
Post #961538 13th Aug 2022 3:32pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2081
United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Los tres amigos estan muertos Thumbs Up
Post #962006 17th Aug 2022 3:41pm
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2217
United Kingdom 1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey
Might have been as simple as a dirty fuse ! Glad it's resolved !
Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey
Post #962008 17th Aug 2022 3:54pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2081
United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Thanks Mo - let’s hope so.

The problem with me ‘going over’ so many potential sources of the issue is that I can’t actually accurately identify what it is/was that caused the problem.

Equally I don’t really know whether I’ve cured it Rolling Eyes

At least at the moment, it’s definitely less cramped in the driving seat with those three uninvited guests gone Rolling with laughter
Post #962015 17th Aug 2022 4:39pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2081
United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Well the law of sods…

Had a great longish period without the 3 amigos.

It was the MOT last week…and yes you’ve guessed it…failed because of the 3 amigos (which weren’t illuminated before or at the point of delivery to the MOT station). Sod’s Law?

The garage only have basic diagnostic equipment so couldn’t detect a specific fault. They said the brakes were working fine.

I haven’t got any diagnostic equipment nor fault reader so for the first time during my ownership, I will need to rely on a local independent.

Sadly the local independent garage that has been recommended hasn’t got back to me…

I was going to ask if there’s anyone local to me (West Lancs) with a Nanocom or similar who could help but the reality is it looks like it could be the ABS unit ££££££££

Just a thought - is it possible that when I’ve bled the brakes to replace the calipers I should have had the ABS ‘primed’ for want if a better word? I’m desperately looking for faults other than a completely knackered ABS unit.

If it is the unit, then I’m sadly going to have to mothball my Defender until funds allow me to sort it.

Please note that all the ABS sensors are new and I’ve replaced the shuttle valve thingy.

Thanks in advance.
Post #971718 19th Nov 2022 5:35pm
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Sicastle71



Member Since: 21 Aug 2019
Location: West Lancs
Posts: 127
England 1999 Defender 90 Td5 CSW Alaska White
Have a nanocomm based on Southport let me know if that’s any good
Post #971742 19th Nov 2022 9:11pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2081
United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Thanks Sicastle - that’d be really helpful.

I’m not far away from Southport.

I’ll PM you.

Thanks,

Will
Post #971750 19th Nov 2022 10:27pm
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MadTom



Member Since: 10 Sep 2013
Location: Olomouc
Posts: 616
Czech Republic 1999 Defender 130 Td5 HCPU Baltic Blue
Have you changed the shuttle valve switches in ABS modulator? If yes, did you made bypass of the internall connector? Most of time, the problem is not in the switches and connector on their plastic holder, but in the connector on the opposite side, in the ABS modulator body. Simple bypass is the easiest solution. This is typical problem of ABS in Discovery 2. "Drobek" = The Small One - Discovery 2, "Blufínek" = The Blue Thing - Defender 130, and for me at least Ford Mondeo Smile
Post #971767 20th Nov 2022 5:56am
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2081
United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Hi MadTom,
Thanks for the input.

I’m afraid I only replaced the plastic element that fixes to the ABS module with 3 Allen head bolts.

It was an actual pig of a job as I had to do it all via the side vent, and even then I could only just get my Allen key in.

The one I removed looked intact so maybe I could carry out the bypass on that and then take a deep breath and change it back. For the price, it may be worth me buying another new one and carrying out the mod.

Sicastle has offered to help with diagnostics, so wondered if the fault you describe would show up and if so what would it read as?

Thanks again,

Will
Post #971773 20th Nov 2022 8:38am
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2081
United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Thanks to Sicastle71 for lending a hand and bringing along his Nanocom 👍

Really nice Landy Si👍

An interesting afternoon where we also put some (not all) of the world to rights.

Alas we didn’t resolve the issue today as no faults were displayed…

We did identify that the ABS pump motor is deceased - which is good to know but worrying in terms of £££££

We also discovered another fault that is related but sadly not the cause.

Looks like I need a new ABS unit.

Anyone replaced theirs themselves?

Can it be done ‘from above’ without removing the wing?

Cheers,

Will
Post #972498 26th Nov 2022 7:20pm
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Bluest



Member Since: 23 Apr 2016
Location: Lancashire
Posts: 4204
United Kingdom 2007 Defender 110 Puma 2.4 XS CSW Java Black
I’ve had mine out and back in but I took the wing off. It takes longer, but I liked having proper access. I replaced the shuttle valve switch, I didn’t do the bypass as I didn’t know at the time, but it’s been fine since.

BTW, I know you’re sorted now, but I’m in East Lancs with a Nanocom if you ever need. 2007 110 TDCi Station Wagon XS
Post #972504 26th Nov 2022 8:37pm
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Sicastle71



Member Since: 21 Aug 2019
Location: West Lancs
Posts: 127
England 1999 Defender 90 Td5 CSW Alaska White
No problem with the help and thanks for the tea hope you get sorted asap anytime you need a hand feel free to give us a shout
Post #972514 26th Nov 2022 9:50pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2081
United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Bluest wrote:
I’ve had mine out and back in but I took the wing off. It takes longer, but I liked having proper access. I replaced the shuttle valve switch, I didn’t do the bypass as I didn’t know at the time, but it’s been fine since.

BTW, I know you’re sorted now, but I’m in East Lancs with a Nanocom if you ever need.


Thanks for the info and kind offer Bluest 👍

Did you replace the whole ABS unit or take it out just to replace the shuttle valve switch on the bottom?

My pump motor has failed but I understand you can’t simply replace that - a new ABS block is required £££££

Did you disconnect the unions/pipes and have to re-bleed? If so, was it difficult?

Cheers,

Will
Post #972524 26th Nov 2022 10:34pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2081
United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Sicastle71 wrote:
No problem with the help and thanks for the tea hope you get sorted asap anytime you need a hand feel free to give us a shout


Cheers Si - much appreciated 👍
Post #972525 26th Nov 2022 10:35pm
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