Furyous
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| posted on 8/7/11 at 06:27 PM |
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Escort Drum Brake Cylinder
I've got a leak on one of my rear brakes which I think is coming from the cylinder/piston. Where can I buy a replacement? I think it's a
Mark 2 Escort drum. Someone in Berkshire open on a Saturday would be nice, but online is ok.
While I'm here, what work would need doing to replace the drums with discs? It's on a live axle, if that makes a difference. Is it more
than just bolting a hub on? What kind of donor parts would be suitable?
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rusty nuts
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| posted on 8/7/11 at 06:57 PM |
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Try your local motor factors or Burtons
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AndyGT
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| posted on 8/7/11 at 07:04 PM |
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I always get my brake bits from:
http://www.brakesint.co.uk/
Reliable, quick delivery and always ready with good advice.
As for the disc conversion, you need some caliper drop plates that screw onto the four bolts on axle. I THINK, fiesta MK2 XR2 front calipers and
discs. But I am more than likely mistaken!!!!
I just checked and this is from this website:
http://www.locostbuilders.co.uk/viewthread.php?tid=125953
Good luck
nothing is impossible
everything is possible
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Furyous
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| posted on 8/7/11 at 07:29 PM |
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quote:
Originally posted by AndyGT
I always get my brake bits from:
http://www.brakesint.co.uk/
Reliable, quick delivery and always ready with good advice.
As for the disc conversion, you need some caliper drop plates that screw onto the four bolts on axle. I THINK, fiesta MK2 XR2 front calipers and
discs. But I am more than likely mistaken!!!!
I just checked and this is from this website:
http://www.locostbuilders.co.uk/viewthread.php?tid=125953
Good luck
Thanks. That's pretty much all the info I need.  BrakeParts/BrakesInt have the part for £11 +£8 postage. I've found a local factors and
I'll see what they have tomorrow. If they don't have it, I'll just go with BrakeParts.
I should have thought to do a search on the conversion. 
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emidas
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| posted on 8/7/11 at 09:41 PM |
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brake cylinders
You may want to measure the bore of the cylinder as there were at least 3 different diameters fitted - as I found out recently. Easy option is to
replace both. Its also possible to remove/replace the cylinders without removing any of the shoes, springs etc. You've probably got more than
enough braking on the rear without the hassle of swapping to discs.
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Furyous
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| posted on 8/7/11 at 09:52 PM |
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I noticed there were 3 on the BrakeParts website. Is the measurement on the outside of the casing, or is it an internal measurement?
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AndyGT
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| posted on 8/7/11 at 09:54 PM |
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quote:
Originally posted by emidas
You may want to measure the bore of the cylinder as there were at least 3 different diameters fitted - as I found out recently. Easy option is to
replace both. Its also possible to remove/replace the cylinders without removing any of the shoes, springs etc. You've probably got more than
enough braking on the rear without the hassle of swapping to discs.
Yep fair point. Get what you have working well first before looking at an upgrade. Most sevenesque cars don't need the discs and some consider
the bigger 9" from Ghia and RS models too much too for them. Depends on your driving style I suppose...
...personally I like it when I can feel the rear biting a bit on the brakes but a little too airy when the speed is up and braking late for a
bend...
nothing is impossible
everything is possible
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AndyGT
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| posted on 8/7/11 at 10:02 PM |
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quote:
Originally posted by Furyous
I noticed there were 3 on the BrakeParts website. Is the measurement on the outside of the casing, or is it an internal measurement?
Internal.
I think that the bigger the INTERNAL diameter the more efficient the brakes.
With a ford focus the bigger the INTERNAL diameter exists on the estate versions, so I imagined that they give more bite.
If you do change or play with the diameters, maybe confirm this theory and change both sides. Could be more "locost" than upgrading the
brakes to disk too?
[Edited on 8/7/11 by AndyGT]
nothing is impossible
everything is possible
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rusty nuts
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| posted on 9/7/11 at 08:05 AM |
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If you look on the lug that the pipe screws into if yours is a genuine Girling cylinder the size should be cast onto it. The same cylinders were used
on loads of different makes of car IIRC Triumph Spitfire , Herald etc . Don't think the rubber boots that cover the cylinder on the backplate
are easily available now so be careful taking yours off
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emidas
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| posted on 9/7/11 at 10:19 PM |
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Taken from workshop manual:
Wheel Cylinder bore dia (ie internal)
1100cc Saloon, Estate, 6cwt van 19.05mm
1100cc 2v, 1300cc Saloon, Estate & Van 20.64mm
1300cc and 1600cc 2v 17.78mm
9cwt van 20.68mm
I had one leaking 19.05 cylinder but changed both to 20.64.
Reason for change was merely price (£10 the pair) and availability, via Ebay.
(Under racing conditions and with split front/rear circuits and no server there was no noticeable difference in braking effort or efficiency. Science
suggests that for an increase in piston diameter, more force will be needed to move it the same distance. Compare snow shoes with ordinary shoes...).
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