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Home > Td5 > Is this normal on a TD5 90 please ? (TC/ABS related)
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harbydog



Member Since: 25 Feb 2018
Location: Norfolk
Posts: 6

United Kingdom 2003 Defender 90 2.5 TD SW Barolo Black
Is this normal on a TD5 90 please ? (TC/ABS related)
Hi, my previous wafflings were over-complicated !

Is it normal for the abs pump to prime now and again, mainly when accelerating ? It doesn't activate abs or tc, you can just hear it doing something.

Thank you
Post #689545 28th Feb 2018 10:58am
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bankz5152



Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 2049

2004 Defender 110 Td5 DCPU Epsom Green
Shouldnt do. Should just activate when the ABS is being used
Post #689572 28th Feb 2018 12:13pm
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 10355

United Kingdom 
I understand it that it will do, if it's icy/snowy then it will as you have traction control.
Post #689609 28th Feb 2018 2:22pm
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harbydog



Member Since: 25 Feb 2018
Location: Norfolk
Posts: 6

United Kingdom 2003 Defender 90 2.5 TD SW Barolo Black
We thought it was a fault until we changed the abs pump and now it does the same thing but quietly in the background. Just wondering if we do have a fault or if it’s doing what wit should do. Thanks for your replies people.
Post #689728 28th Feb 2018 7:56pm
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bankz5152



Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 2049

2004 Defender 110 Td5 DCPU Epsom Green
In normal conditions - so dry roads etc.. they shouldnt make any noise or anything, they should act like "normal" brakes.

In snow/wet/icy/sandy conditions then the abs pump will trigger when the abs kicks in. However the abs pump shouldnt kick in if the TC kicks in. If you follow?
Post #689809 28th Feb 2018 10:11pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 4784

United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue
Pretty sure the TC uses the brakes to control wheel spin - so the pump will activate Confused 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
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Post #689811 28th Feb 2018 10:23pm
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rallysteve



Member Since: 10 Feb 2014
Location: South Yorks
Posts: 2194

United Kingdom 2002 Defender 110 Td5 DCPU Keswick Green
Indeed pump is required for the traction control. 02' 110 TD5 Double Cab Rebuild Thread
84' 90 3.9 V8 Caged Pickup Build Thread


Mobile Diesel Heater Build Thread
Post #689814 28th Feb 2018 10:26pm
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bankz5152



Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 2049

2004 Defender 110 Td5 DCPU Epsom Green
Indeed but no pedal feedback or major noise from the pump, but when the ABS is active, you get pedal feedback and more noise. As the TC uses much less"braking pressure" than the ABS

Ive been at the pub quiz so this could be nonzense Laughing
Post #689826 28th Feb 2018 10:43pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 4784

United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue
Laughing 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton
Post #689833 28th Feb 2018 10:55pm
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harbydog



Member Since: 25 Feb 2018
Location: Norfolk
Posts: 6

United Kingdom 2003 Defender 90 2.5 TD SW Barolo Black
The abs and tc works. So feedback on the pedal when you lock the brakes when braking, and tc operation when you hit the gas in the ice. What I’m talking about is normal driving on a dry road, straight line (but does it more if cornering) when you can hear the pump doing something, but no affect on vehicle. As we previously had a noisy pump it was noticeable and annoying. Now we have a new (to us) quieter pump, it still does it but quietly and less annoying apart from not knowing if it should be happening. Thanks again for replies.
Post #689890 1st Mar 2018 9:20am
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Balvaig



Member Since: 19 Feb 2016
Location: Fife
Posts: 719

Scotland 2016 Defender 90 Puma 2.2 Landmark LE Corris Grey
Don't have experience of a TD5, but my 2.2 Puma does it occasionally . It seems to be an over sensitive sensor which will cause the ABS to prime ( slight chatter from pump). Occurs usually on a slightly bumpy road or bend. No TC light, and no fault codes. Did it more when it was new, less frequent now.
Post #689905 1st Mar 2018 10:32am
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JWL



Member Since: 26 Oct 2011
Location: Hereford
Posts: 3443

England 2002 Defender 110 Td5 SW Coniston Green
My Td5 will chatter away every so often when driving, it will often do its grumble when I'm turning at a junction in our village as there's a large inspection chamber in the road with a metal lid and it attracts the attention of the sensors when turning tight over it. I find it reassuring in that it still works and isn't broken Thumbs Up
Post #689925 1st Mar 2018 12:05pm
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Mike c



Member Since: 11 Aug 2017
Location: Maldon, Essex
Posts: 904

England 2004 Defender 90 Td5 CSW Belize Green
As above on mine, tight turns on a slightly slippery/loose or uneven surface triggers it momentarily Thumbs Up

Had the light flickering yesterday under acceleration on a slushy/icy/snowy lane as you would expect, good to know it's there!
Post #689939 1st Mar 2018 12:30pm
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harbydog



Member Since: 25 Feb 2018
Location: Norfolk
Posts: 6

United Kingdom 2003 Defender 90 2.5 TD SW Barolo Black
Thanks again for the replies. What got us started on this wS that the pump was really noisy, and we were a bit transfixed on stopping the noise, overlooking it might have just been a noisy pump. I have a D2 and most stuff is quieter, eg windscreen wipers. Cheers for your help.
Post #689967 1st Mar 2018 1:47pm
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Martyn668



Member Since: 17 Mar 2013
Location: Cambridgeshire
Posts: 134

United Kingdom 
Here’s another “Is this normal ABS/TC” question. Passed my MOT. Phew. Then about a week later ABS/TC lights come on and stay on. (Thank you Land River, for not doing that before the MOT!) But in the snow and ice the ABS still works. Not sure about the TC. Can’t really “feel” that. I had always assumed that if the warning lights came on the system would shut down completely. Obviously not, which is a good thing. Still, I’ve got 11 months to sort it out. Only joking, will get it sorted sooner than that. Don’t have Nanocpm, but I guess a faulty sensor, it usually is, particularly if the pump still activates the system.
Post #690467 3rd Mar 2018 11:31am
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