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Corsa Sport » Message Board » General Chat » brake bias valve on a B


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Author brake bias valve on a B
Crana
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Registered: 20th Jan 09
Location: Newcastle
User status: Offline
21st Apr 11 at 20:45   View User's Profile U2U Member Reply With Quote
Under hard braking the back wheels lock up and the car goes sideways and its starting to piss me off Is there any way around it?
c20letandy1988
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Registered: 14th Apr 09
Location: Wirral, Merseyside drives: corsa turbo
User status: Offline
21st Apr 11 at 20:56   View User's Profile U2U Member Reply With Quote
Get a willwood manual bias valve ull have to re pipe rear brakes up and block one of ports off in engine bay and run one single line down
shaunmods
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Registered: 12th Mar 07
Location: Glascote, Staffordshire
User status: Offline
21st Apr 11 at 20:58   View Garage View User's Profile U2U Member Reply With Quote
Is it possible to adjust the standard one?

I've had a couple of brown pants moments with mine swinging its arse out
Chris x
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Registered: 11th Sep 08
Location: Bexhill
User status: Offline
21st Apr 11 at 21:01   View User's Profile U2U Member Reply With Quote
Had mine replaced with a genuine one under warrantly. I was told by the garage that its pre set and you cant adjust it.

It still does it tho, just not as bad.
AlexW
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Registered: 25th Oct 08
Location: Essex
User status: Offline
21st Apr 11 at 21:05   View User's Profile U2U Member Reply With Quote
I think mine is disconnected now and is pulled right out so its very little braking action on the back.

Best setup is like povo spec corsa's had, Which isnt the weight (and thus height adjusted) setup, insted two inline reducers next to the fuel tank.

I shall be changing to the latter setup at some point on mine after getting it sideways.
Mieran
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Registered: 28th Jan 08
Location: Newcastle upon Tyne
User status: Offline
21st Apr 11 at 21:12   View User's Profile U2U Member Reply With Quote
you still havent adjusted the rear valve yet? you said you'll do that 2 months ago lol

bring it down mine, i'll do it for you
corsarooney
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Registered: 21st Nov 09
Location: Maidenhead, Berkshire
User status: Offline
21st Apr 11 at 21:15   View Garage View User's Profile U2U Member Reply With Quote
Yes you can adjust these if its the later stage external valve.

Theres a how to guide in the max power haynes book

Corsa 1.6 sport - 1
1.7 puma engined fiesta - 0

Keeping corsa's on the redline since 2008
djgritt
Premium Member

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Registered: 1st Nov 07
Location: Dorset Drives: Focus ST / Hyundai i20N
User status: Offline
22nd Apr 11 at 21:24   View Garage View User's Profile U2U Member Reply With Quote
Check that the automatic balance/biasing valve thing (if you have one) is free to move - mine when fully gutted was a bit skittish and was fine after we cleared all the dried mud etc off the valve and lubed it up

 
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