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roche1800



Member Since: 07 Apr 2020
Location: derbyshire
Posts: 242
Clutch Pedal Biting HIGH
Can someone advise how to change the biting position on a clutch pedal.

Mine is very high, when sometimes when you touch the clutch it revs.

The biting point is to high.
Post #1029399 26th Mar 2024 7:53pm
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 239
United Kingdom 2014 Defender 110 Puma 2.2 CSW Aintree Green
As far as I know the you will have to access the pedal box.. In there you will find a threaded rod running through a trunion and there are adjustment nuts either side of the trunion which will adjust pedal height and pedal free movement..
My manual mentions a bolt accesssble on the front face of the pedal box been used to alter pedal height but on mine that is definate ly not the case.. That bolt only limits the downward stroke of the pedal..
There are most probably differences in pedal boxes so you would have to check, or someone may know when the changes took place👍
Post #1029460 27th Mar 2024 9:07am
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Dinnu



Member Since: 24 Dec 2019
Location: Lija
Posts: 3209
Malta 2012 Defender 90 Puma 2.2 CSW Santorini Black
1. As Andy stated, also check that the master cylinder push rod is ‘free’ when the clutch pedal is released. Thats to ensure that the non return valve is working properly and no residual hydraulic pressure remains in the lines.

2. If it is Td5, check that the fuel pressure regulator is not leaking. That can cause the clutch to slip.

3. Could be a worn out friction plate where it has become too thin - so not enough clamping by the pressure plate. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black
Post #1029488 27th Mar 2024 12:10pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19578
United Kingdom 
As Andy63 mentioned, it’s fairly easy to do, just make sure it’s not loose once you’re finished adjusting.

There is a pedal height specified in the WSM, I expect you may be able to find it on here somewhere if you search for it. Diesel$ Live$ Matter. ⛽️🛢️👨‍🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧
Post #1029535 27th Mar 2024 7:51pm
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TexasRover



Member Since: 24 Nov 2022
Location: Paris
Posts: 794
France 2002 Defender 110 Td5 DCPU Chawton White
[quote="Dinnu"]1. As Andy stated, also check that the master cylinder push rod is ‘free’ when the clutch pedal is released. Thats to ensure that the non return valve is working properly and no residual hydraulic pressure remains in the lines.

Technically it's not a non return valve but just an open path between the reservoir and the slave cylinder through the master cylinder so that the slave cylinder is free moving and resetting for clutch wear.
Post #1029565 28th Mar 2024 5:43am
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