Rear brakes locking up on Corsa Sport - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » Rear brakes locking up on Corsa Sport

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VegasPhil

Premium Member

Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
User status: Offline

29th Jan 08 at 15:04

Just changed pads and drums and handbrake cables on a V-Reg Corsa Sport. The car is lowered. On the test drive the back brakes lock up when you apply pressure before the fronts do.

This has the equivalent effect of yanking up the handbrake, and I imagine wouldn't be very safe on the roads

The brakes didn't have this problem before, and we have bled all 4 brakes on the car.

What is the problem here? Do I need to take it all apart and adjust the drums? Adjust the handbrake cable?

Any help will be appreciated as I need to get this car moved

Corsa 2.0 16v Vegas - Sold

ryan_fowler1985

Member

Registered: 27th Jul 05
Location: Trevethin, Torfaen
User status: Offline

29th Jan 08 at 15:07

take the spring off the rear bias valve on the rear beam its because its lowered

DYL

Member

Registered: 19th May 06
Location: CAERNARFON
User status: Offline

29th Jan 08 at 15:08

i have this problem aswel

Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

29th Jan 08 at 15:09

quote:
Originally posted by ryan_fowler1985
take the spring off the rear bias valve on the rear beam its because its lowered

DYL

Member

Registered: 19th May 06
Location: CAERNARFON
User status: Offline

29th Jan 08 at 15:29

im gona give this a try tonight

Olsrey

Member

Registered: 13th Jan 07
Location: Bradford Drives: LET Vectra B
User status: Offline

29th Jan 08 at 16:34

quote:
Originally posted by ryan_fowler1985
take the spring off the rear bias valve on the rear beam its because its lowered

Taking it off creates a spungy pedal feel and fails mot, better off making a bracket for it.

Dean_W

Member

Registered: 13th Dec 05
Location: Downham Market, Norfolk
User status: Offline

29th Jan 08 at 17:00

You don't need to take it off.

Just adjust it so the back don't lock up before the front.

Olsrey

Member

Registered: 13th Jan 07
Location: Bradford Drives: LET Vectra B
User status: Offline

29th Jan 08 at 17:02

quote:
Originally posted by Dean_W
You don't need to take it off.

Just adjust it so the back don't lock up before the front.

Have you adjusted yours? If so did you create a bracket or did you do it some other way?

luke85

Member

Registered: 26th Nov 07
Location: Chesterfield
User status: Offline

29th Jan 08 at 17:10

I just adjusted mine, take some of the tension out of the spring and it weakes the rear brakes and sends more to the front

ryan_fowler1985

Member

Registered: 27th Jul 05
Location: Trevethin, Torfaen
User status: Offline

29th Jan 08 at 17:23

i adjusted mine but the abs still kept going mad so had to take it off, also took it off the girlfreinds car and it passed the mot although i did wonder if he would pick it up and fail it.

Joe

Member

Registered: 20th Jun 04
Location: Hesketh Bank, Lancashire
User status: Offline

29th Jan 08 at 17:36

If it didn't do it before i'd imagine the rear bias thing is ok. Have you over adjusted the rear brakes?

Limecat

Banned

Registered: 25th Jun 05
Location: The Internet
User status: Offline

29th Jan 08 at 17:40

quote:
Originally posted by joe6886
If it didn't do it before i'd imagine the rear bias thing is ok. Have you over adjusted the rear brakes?

How would he 'over adjust' the rear brakes which have self adjusters on them anyway?

Joe

Member

Registered: 20th Jun 04
Location: Hesketh Bank, Lancashire
User status: Offline

29th Jan 08 at 17:56

Quite easily, wind the adjusters in the drums up too much.

Kenzie

Member

Registered: 16th Sep 07
Location: Burnley
User status: Offline

29th Jan 08 at 18:05

Rear bias spring needs adjusting mate.

I havent heard of the need to fabricate a bracket for it before though...

Olsrey

Member

Registered: 13th Jan 07
Location: Bradford Drives: LET Vectra B
User status: Offline

29th Jan 08 at 18:39

quote:
Originally posted by Kenzie
Rear bias spring needs adjusting mate.

I havent heard of the need to fabricate a bracket for it before though...

Depends on how far you lower it.

Limecat

Banned

Registered: 25th Jun 05
Location: The Internet
User status: Offline

30th Jan 08 at 01:34

quote:
Originally posted by joe6886
Quite easily, wind the adjusters in the drums up too much.

You can't though as it pushes the pads out and then you cannot get the drums back on.

I always adjust them to the point that you can only just slot the drum on, that leaves you with a really low handbrake that holds on 1 click.

Mertin

Member

Registered: 12th Oct 05
Location: Scotland
User status: Offline

30th Jan 08 at 11:33

Maybe something to do with the handbrake cable

My brakes were crap and it was due to the handbrake cable, it was too loose. Fitted a new cable and brakes were much better

luke85

Member

Registered: 26th Nov 07
Location: Chesterfield
User status: Offline

30th Jan 08 at 11:50

Yeah but his problem is that his back brakes are to keen compared to the front

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