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Author Rear Brake bias adjustment
SilverSport1.4
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Registered: 14th Jul 02
Location: Winchester, Hants or Bournemouth @ Uni
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29th Jun 03 at 19:35   View User's Profile U2U Member Reply With Quote

I recently dropped my car 40mm on a Gmax full kit tho it has dropped much lower than 40mm. I had a bit of an accident the other day went the rear brakes locked up and I ended up in a ditch. What has anyone else done to the adjuster and has anyone else had this problem???
mattyboy199
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Registered: 5th Feb 03
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29th Jun 03 at 19:56   View User's Profile U2U Member Reply With Quote

the bias valve adjusts the brakes to stop them locking up. Lowering it has no effect. It will only make the brakes better. Think about it ?
C3 LJG
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Registered: 11th Oct 01
Location: WINCHESTER
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29th Jun 03 at 20:55   View User's Profile U2U Member Reply With Quote

It makes the rear brakes work harder when there is more weight in the back. Therefore if the car is lowered it has the same effect as having weight in the back meaning the brakes will lock the rear wheels. It was your driving chunk that put you in the hedge!!!!
Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
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30th Jun 03 at 08:21   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by mattyboy199
the bias valve adjusts the brakes to stop them locking up. Lowering it has no effect. It will only make the brakes better. Think about it ?


huh?? are you nutz. if you believe that then you will kill yourself. you have too adjust it or you will cause an accident. your car will brake slower as the rear wheels loose traction.
broster
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Registered: 6th Dec 02
Location: Drives: E39
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30th Jun 03 at 08:43   View Garage View User's Profile U2U Member Reply With Quote

they show u how in the max haynes manual!
Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
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30th Jun 03 at 08:52   View User's Profile U2U Member Reply With Quote

and the normal haynes, its part of the services done every 2 years anyway.
and-m
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Registered: 5th May 02
Location: Liverpool. Drives. Skud vRS.
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30th Jun 03 at 09:02   View User's Profile U2U Member Reply With Quote

So the spring shouldnt be loose or under tension then? Mine seems a bit loose, will adjust at the weekend.
Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
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30th Jun 03 at 09:03   View User's Profile U2U Member Reply With Quote

yeah, not loose and not tight. only just in tension to stock it sagging.

it takes 2 minutes too do, you dont even need to jack the car up. its a case of undoing one bolt, sliding it a little then doing it up again.
mattyboy199
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Registered: 5th Feb 03
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2nd Jul 03 at 16:10   View User's Profile U2U Member Reply With Quote

well mines been fine & believe me i have braked hard on it, no loss of traction or wheels locking up, its either because i have a GSI (with ABS) or i m a shit hot driver !
Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
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2nd Jul 03 at 18:24   View User's Profile U2U Member Reply With Quote

its cos u have abs.
and-m
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Registered: 5th May 02
Location: Liverpool. Drives. Skud vRS.
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2nd Jul 03 at 18:49   View User's Profile U2U Member Reply With Quote

Just checked mine, seems quite firm, has been lowered 40mm, not had a problem with the back brakes locking - leave as it is?

When I jacked it up previouslt it was loose, just checked it with no jack.

[Edited on 02-07-2003 by and-m]
Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
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2nd Jul 03 at 18:56   View User's Profile U2U Member Reply With Quote

dont want it really firm, maybe loosen it a tad.
mattyboy199
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Registered: 5th Feb 03
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5th Jul 03 at 11:32   View User's Profile U2U Member Reply With Quote

well there u go then i don t need to adjust it
mattyboy199
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Registered: 5th Feb 03
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10th Jul 03 at 21:59   View User's Profile U2U Member Reply With Quote

no come backs ? huh !
DaveC
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Registered: 29th Mar 02
Location: Buckinghamshire
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12th Jul 03 at 15:26   View User's Profile U2U Member Reply With Quote

some people do need it adjusted some don't, its good practise to 'check' it when you make any changes to the suspension set up
sxi_welshy_boy
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Registered: 16th Sep 02
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12th Jul 03 at 18:52   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by mattyboy199
the bias valve adjusts the brakes to stop them locking up. Lowering it has no effect. It will only make the brakes better. Think about it ?


R U for real?!?! Need mine adjusted... bit scary in wet or when breaking hard..
PaulW
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Registered: 26th Jan 03
Location: Atherton, Greater Manchester
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12th Jul 03 at 18:56   View User's Profile U2U Member Reply With Quote

i dont have one no more

 
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