Pulling under breaking..

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Pulling under breaking.. - Nov. 9 2007 10:06:20

Jimbo

Posts: 78
Joined: Apr. 24 2004
From: United Kingdom
Status: offline

My van is pulling under breaking. Odd symtoms. If I build up the breaks very gently - no pull.

If I break suddendly then the van pulls briefly to the right and then goes straight. Its not how hard I break, its how suddendly, or quickly I build up the breaking.
If I let go of the steering wheel it also pulls right at the same time.

My initial thought was that I had a sticky left caliper, as as I braked the right hand side started to brake first and then the sticky left caught up. But I have rebuilt the left caliper (new seals), but its had no effect at all.

It passed the MOT a few weeks ago, and the tester said all the bushes and joints look OK at the front. Having said that he wasn't the most thorough of MOTs (carefully chosen for this reason

), and I didn't starasking him 'Are you sure you can't find something wrong'.

If it were bushes etc on the front I would expect the pull to related to the breaking rather than the 'suddeness' of the braking. I dunno I'm stumped..

I know the Shocks are passe there best could that be it?

Any ideas greatfully received.

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Currently:
Chevy G20 Day Van - with all the toys
Cmaro z28 SS
Land Rover 110 V8
BMW 1150 GS, Suzuki DRZ400s bikes

Post #: 1

RE: Pulling under breaking.. - Nov. 9 2007 10:28:27

daveredneck

Posts: 6555
Joined: Nov. 2 2003
From: west yorkshire UK
Status: online

could be yer right hand caliper not relaesing as far as yer left hand once yer let off brakes,so the right hand aint as far to travel when you next apply brakes,
ad check r/h caliper
also check both front tyre pressure are same

< Message edited by daveredneck -- Nov. 9 2007 10:31:20 >

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Post #: 2

RE: Pulling under breaking.. - Nov. 9 2007 10:38:39

Jimbo

Posts: 78
Joined: Apr. 24 2004
From: United Kingdom
Status: offline

quote:

ORIGINAL: daveredneck

could be yer right hand caliper not relaesing as far as yer left hand once yer let off brakes,so the right hand aint as far to travel when you next apply brakes,
ad check r/h caliper
also check both front tyre pressure are same

Do you really think I wouldn't have checked something as obvious as tyre pressures? Err well um, damn, wheres me pressure gauge?

_____________________________

-------------------------
Currently:
Chevy G20 Day Van - with all the toys
Cmaro z28 SS
Land Rover 110 V8
BMW 1150 GS, Suzuki DRZ400s bikes

(in reply to daveredneck)

Post #: 3

RE: Pulling under breaking.. - Nov. 9 2007 13:13:04

fjmods

Posts: 2856
Joined: Oct. 27 2003
From: Suffolk, England
Status: offline

I'd look at those joints again mate. It can be hard to tell, especially if the MOT testers wasn't looking that hard.

My '57 did exactly the same thing. No knocking or signs of worn joints, sailed through the MOT, yet started pulling like a b*****d under braking very shortly after. Turned out to be suspension joint.

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99 Chevy Starcraft - 95 GMC Yukon
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78 Camaro

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Post #: 4

RE: Pulling under breaking.. - Nov. 9 2007 13:51:01

Big Chris

Posts: 155
Joined: Feb. 1 2007
Status: offline

Wot's the rear surface of the disc like cause it's normaly covered by the backing plate.

(in reply to fjmods)

Post #: 5

RE: Pulling under breaking.. - Nov. 9 2007 18:00:05

Jimbo

Posts: 78
Joined: Apr. 24 2004
From: United Kingdom
Status: offline

Both calipers rebuilt with new seals, new pads and new flexible pipes and now all is well. I no longer need both lanes to stop quickly!

_____________________________

-------------------------
Currently:
Chevy G20 Day Van - with all the toys
Cmaro z28 SS
Land Rover 110 V8
BMW 1150 GS, Suzuki DRZ400s bikes

(in reply to Big Chris)

Post #: 6

RE: Pulling under breaking.. - Nov. 9 2007 18:51:07

daveredneck

Posts: 6555
Joined: Nov. 2 2003
From: west yorkshire UK
Status: online

thats not too bad ,all sorted out in a day