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Author: Subject: Hand brake only working one side
donut

posted on 14/9/05 at 03:29 PM Reply With Quote
Hand brake only working one side

I have just fitted my new hand brake cable to my new Ford rear callipers (disc setup obviously) and tightened everything up. When i pull on the hand brake i get 3 clicks and thats about as far as it goes. It feels really good and feels like everything is working ok.

Problem is when the hand brake is on i can stil turn the off side rear disc with my bare hands. The near side is solid and will not move but the Off side is just not working. The cable is fine in the clip and the arm seems to be going round the same as the near side so i can't see what the problem is.

Is this normal and an SVA fail?

ta





Andy

When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
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ned

posted on 14/9/05 at 03:42 PM Reply With Quote
are the calipers recon'd andy or just as from the donor? perhaps the caliper's seized or the cable needs adjusting/isn'ty pulling either side equally?

Ned.

[Edited on 14/9/05 by ned]





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donut

posted on 14/9/05 at 03:51 PM Reply With Quote
They are suposed to be new units but i'm guessing they are reconditioned jobbies, look new though. The cable on the o/s calliper is pulling but does seem to be stopping at the black rubber bump stop thingy. Will it be ok to cut that off?





Andy

When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
http://www.flickr.com/photos/andywest1/

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britishtrident

posted on 14/9/05 at 03:52 PM Reply With Quote
start by slackening the cables right back and pumping the pedal a few times to get the self adjusters to adjust up. Then readjust the cable tension to give 4 or 5 clicks.
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donut

posted on 14/9/05 at 03:56 PM Reply With Quote
I have not done the brakes yet, i have only fitted the hand brake cable. Maybe i'll wait till the brakes are bled then.





Andy

When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
http://www.flickr.com/photos/andywest1/

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rusty nuts

posted on 14/9/05 at 05:43 PM Reply With Quote
Sometimes helps with rear calipers if when you fit the brake pads you wind piston in or out to give approx 004'' to 006'' clearance between pad and disc. This sets initial clearance and avoids damage to caliper HTH .
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donut

posted on 14/9/05 at 05:50 PM Reply With Quote
hmmm thats a thought, i'll see if i can wind it out a tad.

Here is a pic of my rear o/s calliper with the handbrake off:
Image deleted by owner

As you can see the black rubber bump stop is very close to the loop thingy!

[Edited on 14/9/05 by donut]





Andy

When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
http://www.flickr.com/photos/andywest1/

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rusty nuts

posted on 14/9/05 at 07:01 PM Reply With Quote
Bleedings going to be fun. nipples the wrong way . You will have to turn caliper round to bleed brakes.
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donut

posted on 14/9/05 at 07:03 PM Reply With Quote
Thanks (again!!) but to be honest it looks the same as mine. Some of your calliper gets in the way if the rubber thingy. I'll have another fiddle tomorrow.





Andy

When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
http://www.flickr.com/photos/andywest1/

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Jon Ison

posted on 14/9/05 at 07:05 PM Reply With Quote
Have you shortened the handbrake cable ? if so where you have joined it is it near the "horse shoe" thingy? is it only allowing it too pull on one side ? seen it done that's why i ask, could be way off the mark though, just a thought.






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donut

posted on 14/9/05 at 07:05 PM Reply With Quote
Bleedin, brakes!! Yes Bob had the same problem although it's not really a problem, just a bit of a pain.





Andy

When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
http://www.flickr.com/photos/andywest1/

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donut

posted on 14/9/05 at 07:16 PM Reply With Quote
Jon

Yes i have shortened the cable. The cable runs from one calliper to the other via the 'D' thingy at the handbrake. When i adjust the cable it pulls the off side only (i think) The square ring that hooks on the handbrake pully on the calliper hits the black rubber stopper which then makes it pull more on the near side calliper.

If i make the black rubber stopper shorter this should solve the problem

however

the handbrake pully on the o/s calliper is further round that the n/s which may mean that the piston needs to be wound out a bit????????????





Andy

When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
http://www.flickr.com/photos/andywest1/

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rusty nuts

posted on 14/9/05 at 07:18 PM Reply With Quote
If that picture is with the handbrake off then the cable is definately over adjusted , slacken cable adjust piston as already suggested, bleed brakes and finally adjust hand brake cable. Caliper lever should rest against stop when handbrake off .
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donut

posted on 14/9/05 at 07:20 PM Reply With Quote
rusty nuts

Ok will do, thanks

just 1 thing

how many revolutions should i wind out on the piston? i don't want it falling off!!!

Thanks





Andy

When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
http://www.flickr.com/photos/andywest1/

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bob

posted on 14/9/05 at 07:59 PM Reply With Quote
Andy

I unbolted my caliper and rolled it round the disc to twelve o clock to bleed it,although it is easier to pressure bleed it if you have an eezi blleed kit which operates on tyre pressure straight from the valve.






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donut

posted on 14/9/05 at 08:17 PM Reply With Quote
If i got an eezi bleed kit would i be able to keep the calliper where it is?





Andy

When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
http://www.flickr.com/photos/andywest1/

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mookaloid

posted on 14/9/05 at 09:52 PM Reply With Quote
quote:
Originally posted by donut
If i got an eezi bleed kit would i be able to keep the calliper where it is?


nope

cheers

Mark

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donut

posted on 14/9/05 at 10:05 PM Reply With Quote
poop





Andy

When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
http://www.flickr.com/photos/andywest1/

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Hellfire

posted on 14/9/05 at 10:26 PM Reply With Quote
Andy, looking at your caliper, that black rubber thing which you call a bumpstop shouldn't be there at all. It should be a small piece of convaluted rubber which collapses on itself. It looks like some of the bits on the cable have been put on in the wrong order.

The rubber bumpstop (as you call it) is preventing the cable being pulled up and should actually be inserted in the tube where your cable runs through the chassis rail near the diff.

Have a look in our BUILD diary. 2nd & 6th November. This should explain it a little more clearly.

Brakes should be easy enough to bleed, just remove the bottom caliper bolt and pivot the caliper on the top bolt until the bleed nipple is at 12 o'clock. Make sure you put a block between the pads at least equal to the width of the disk when bleeding, otherwise you'll struggle to get the caliper back over the disk.

[Edited on 14-9-05 by Hellfire]






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Hellfire

posted on 15/9/05 at 01:05 AM Reply With Quote
Andy - if you look at Bens and our's the distance from the anvil to the caliper plug mount is longer than yours... also our's are flexirubber on the end, your's is solid. The combination of the smaller gap and the non-compression plastic plug is restricting the movement, thiat is causing your brake to hold off.
hope you can see the difference.

HTH






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donut

posted on 15/9/05 at 06:32 AM Reply With Quote
Thats what i thought, Thanks for the pics, i'll have a word down at my local auto factors.

I knew it was wrong

Thanks again





Andy

When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
http://www.flickr.com/photos/andywest1/

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bob

posted on 15/9/05 at 09:20 AM Reply With Quote
That may well be the wrong cable,i ordered a saphire sierra GLSi cable which fitted fine.

I believe there are only two variants with the other being for the bigger braked cossie,but i was told the cables should fit the same as well which confused more.






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rusty nuts

posted on 15/9/05 at 05:33 PM Reply With Quote
To adjust the initial clearance use a feeler gauge between the disc and the pad, turn the piston in small movements until clearance is correct . Should only take a few minutes , you don't need to replace caliper mounting bolts between each adjustment just lay caliper in place. Calipers can be damaged if initial setting is not carried out.
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donut

posted on 15/9/05 at 06:29 PM Reply With Quote
Yep, i'll do it tomorrow. Someone else said i had to wind the pistin out so that's what i'll do.

Thanx fellas





Andy

When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
http://www.flickr.com/photos/andywest1/

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