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Author Lowering & the Rear Brake Bias Valve
Kenzie
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Registered: 16th Sep 07
Location: Burnley
User status: Offline
17th Sep 08 at 18:36   View User's Profile U2U Member Reply With Quote

Iv lowered the rear of my Corsa 100mm, and the brake bias valve needs adjusting to prevent the rear wheels locking up all the time.

Has anybody got any pointers on how to do it?

I know where the valve is etc, but dont want to go messing without any advice just in case i break something!

Cheers in advance chaps
gavin18787
Premium Member

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Registered: 22nd Feb 05
Location: Basildon, Essex
User status: Offline
17th Sep 08 at 19:11   View Garage View User's Profile U2U Member Reply With Quote

I just took the spring out All seems fine never had it lock up or had any other problems. Just sometimes notice the brakes lack a bit of bite if there are four or five in the car.

Just keep it in a safe place as some people see it as an MOT fail if its not there.


Other then that just make yourself a little bracket so that the spring is still in place but is still slack when the car is resting on its wheels


Drives supercharged Tec with torque
Gareth F
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Registered: 16th Jan 08
Location: Location Location
User status: Offline
18th Sep 08 at 17:36   View User's Profile U2U Member Reply With Quote

my mate adjusted mine in a few seconds when i dropped mine 90-100mm so cant be hard didnt watch him tho so i cant say, slide under and have a lookey
luke85
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Registered: 26th Nov 07
Location: Chesterfield
User status: Offline
18th Sep 08 at 17:48   View User's Profile U2U Member Reply With Quote

I wouldn't recommend driving it with the spring off but have never tried it so Im not sure.

Adjusting it is easy though but it should be done with the car on its wheels, with no weight in the boot the spring should only just have no tension in it. not slack and flapping about though. when you lower it the spring goes too tight and sends too much pressure to the back wheels.
davec495
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Registered: 16th Sep 07
Location: Willington, County Durham
User status: Offline
19th Sep 08 at 08:57   View User's Profile U2U Member Reply With Quote

same problem as i am having apart from mine is jammed up so is there any way of just bypassing it because i know not all corsas have it on
Kenzie
Member

Registered: 16th Sep 07
Location: Burnley
User status: Offline
19th Sep 08 at 17:41   View User's Profile U2U Member Reply With Quote

Mines looking a bit rusty (the nut) when i had a look the other day...
luke85
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Registered: 26th Nov 07
Location: Chesterfield
User status: Offline
19th Sep 08 at 17:53   View User's Profile U2U Member Reply With Quote

As far as I know all corsas have it except the van models but someone correct me if im wrong.

It would be easier to get a new one than to bypass it
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
19th Sep 08 at 19:37   View User's Profile U2U Member Reply With Quote

cover in in penertrating fluid and work it it should free up
Kenzie
Member

Registered: 16th Sep 07
Location: Burnley
User status: Offline
21st Sep 08 at 16:00   View User's Profile U2U Member Reply With Quote

job done, cheers people!

 
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