 | Home > Technical > Defender brakes pulling to one side. |
 
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| jfh Member Since: 08 Jan 2014 Location: West Coast Posts: 359   
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Air in the system or one tyre with less pressure.
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16th Apr 2022 8:29am |
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| Mossberg Member Since: 29 Feb 2020 Location: Lancs Posts: 553  
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How old is your brake fluid? If its 3 years or older it may be worth doing a full fluid change and a full system bleed - kill two birds with one stone so to speak.
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16th Apr 2022 7:29pm |
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| I Like Old Skool Member Since: 23 Feb 2015 Location: Manchester Posts: 814 
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Bit of a misconception here. Old brake fluid isn't really a problem to instantaneous brake performance, but....
Old fluid may have absorbed moisture and this is not good for two reasons. First and the immediate problem when it occurs is that moisture contaminated fluid boils at a much lower temp than fresh fluid, so push on a bit enthusiastically and get the brakes nice and hot then you may find that your brake lines are suddenly full of vapour rather than incompressible fluid. This is bad! Second is that the fluid with high moisture content is corrosive so can cause seized pistons or calipers as well as damage in the master cylinder. This is also bad. If the brake pedal feels normal my money would be on contaminated brakes on one side, failing suspension bushes or really bad tracking. |
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16th Apr 2022 9:33pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17450 
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Another possibility is that the brakes hoses are breaking down internally reducing the bore of the hose and restricting the flow of fluid. Replacing the n/s hose would then allow greater pressure to the n/s caliper. If so, replacing the o/s would solve the issue.
It is a rare event but one I have met perhaps twice in the last 45 years. It might be worth checking if you can't find anything else If the garage returned it to you with an obvious brake fault (which they really should have found) I'd be inclined to invite them to sort it out. |
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16th Apr 2022 9:40pm |
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| Mossberg Member Since: 29 Feb 2020 Location: Lancs Posts: 553
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I didn't mean old fluid would cause the brakes to pull, just that if the full system is being bled you may as well do a fluid change if it is due. My apologies if I have made it seam otherwise. |
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16th Apr 2022 10:19pm |
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| matchap801 Member Since: 05 Aug 2021 Location: Somerset Posts: 120 
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I would check and see how badly sieved the callipers pistons are on the left! The right hand flexi is probably expanding with braking putting more effort into the left calliper thank the right.
I would certainly put a new flexi on the right, but also check the pads and calliper pistons. 2009 Defender 90 CSW 2.4 TDCI. Ex Army Mechanic still living the dream. |
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17th Apr 2022 10:49am |
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| Buttons Member Since: 24 Nov 2018 Location: Galway Posts: 34 
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17th Apr 2022 11:01pm |
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| Procta Member Since: 03 Dec 2016 Location: Sunderland Posts: 5192
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When me and my dad do jobs like this, we do both sides, just to iron out problems like this happening. But 1st before you go down the channels on replacement parts, id take it back to them and tell them, that you have this problem now, since they have done this work. Just in case they have cocked up with something. Defender TD5 90 ---/--- Peugeot 306 HDI hatch back Success is 90% Inspiration and 4 minutes Preparation # you can make it! |
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18th Apr 2022 12:27am |
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| kenzle8a Member Since: 12 Feb 2020 Location: None Posts: 1074 
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I would also put the standard oil filled steering damper back on to check its not the bilstein one creating a push effect as its gas filled, there’s been similar issues caused by then before.
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18th Apr 2022 6:35am |
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| Buttons Member Since: 24 Nov 2018 Location: Galway Posts: 34
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18th Apr 2022 11:20pm |
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| roel Member Since: 08 Aug 2009 Location: Lelystad Posts: 2039  
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My bet is on stuck or partly stuck brake calipers.
I would: 1. push the brake pads from the the disc. You can do this wheel by wheel. You might find one taking more effort then the other. 2. If you find one that goes difficult push that one in and push out with the brake pedal. do this a few times and you might feel it will go more easy after a few time. You can have more movement when using a worn brake pad. But use a brake pad otherwise you might pump out the piston to far and damage the seals. I do this with all my cars when changing wheels to prevent stuck calipers. Roel 1984 90 2.5 na Diesel - RR V8 (1994-2001) 1997 Camel Trophy Discovery 300TDI (2001-2009) 2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts. 2003 90 Td5 (2009-now) |
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19th Apr 2022 10:48am |
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| I Like Old Skool Member Since: 23 Feb 2015 Location: Manchester Posts: 814
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Just wondering if you managed to resolve this yet? Would be interesting to know what the issue/fix was in the end.
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22nd Apr 2022 3:20pm |
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| spudfan Member Since: 10 Sep 2007 Location: Co Donegal Posts: 4709
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Possibly brake fluid leak.When brakes are applied they fail to grip then the fluid clears then they grip. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali 2008 110 2.4 tdci csw-Zulu 2011 110 2.4 tdci csw-Masai |
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28th Apr 2022 9:54pm |
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