dom69 Posted July 29, 2012 Share Posted July 29, 2012 My front pads have just started to squeal when applied and then only usually when going slow, like in traffic. Do I just need to copper seize between pads and calliper? Have been told they might need replacing, have got some new pads but they're the race pads, is this a problem? I got them from caterham but it does say on the box not for road use. any help and advice greatly accepted. Thanks Link to comment Share on other sites More sharing options...
Myles Posted July 29, 2012 Share Posted July 29, 2012 You can try copper grease on the non-friction side of the pads, but it didn't help me with my Pagids - they squeal like buggery when coming to a stop. Link to comment Share on other sites More sharing options...
Stationary M25 Traveller Posted July 29, 2012 Share Posted July 29, 2012 Try CopaSlip between pad backplate and piston. Try filing a 45-degree chamfer on the leading edge of the pad material. Have you looked at the existing pads to make sure there is friction material left ? The race pads may not bite when cold ? Link to comment Share on other sites More sharing options...
dom69 Posted July 29, 2012 Author Share Posted July 29, 2012 Haven't checked the pads but at only 12,000 easy miles would they be gone already? will try the copper grease, and the chamfering seems a good idea too. any other ideas? Link to comment Share on other sites More sharing options...
Domus Posted July 29, 2012 Share Posted July 29, 2012 Check the inside pads, harder to see and they sometimes wear faster than the outside pads. Changed my MX-5 pads last week, the insides were only half the thickness of the outer ones. Link to comment Share on other sites More sharing options...
charlie_pank Posted July 30, 2012 Share Posted July 30, 2012 My pads (mintex 1144) have done 1600 race miles and 20000 road miles. I've always driven it like I stole it and there's loads left in all 8. Since my caliper foolishness the other week I'd be delighted if my brakes squealed a bit, so long as they stopped me! Link to comment Share on other sites More sharing options...
peter clarke Posted July 30, 2012 Share Posted July 30, 2012 found copper slip pretty useless, use UJ grease on back of pad and very carefully on ends. Lasts 6 months, although sometimes squeal when cold, a few hard dads and ok Link to comment Share on other sites More sharing options...
dom69 Posted July 30, 2012 Author Share Posted July 30, 2012 probably a silly question but is uj grease universal joint grease? Link to comment Share on other sites More sharing options...
6speedmanual Posted July 30, 2012 Share Posted July 30, 2012 Mintex Ceratec. Grease specific for the purpose. Does not seem to dry out and leave clarty copper paste residue. Also sure to be seal rubber friendly. The squeal can be caused by glazed pads. Whip them out and smoothly draw file across the faces may clear the problem. It may stay away too if the circumstance which made them glaze is not encountered again. Also, brake dust drsgging along inside the pad to disc interface can cause noises. Cutting a 1/8" slot in the friction material to within 1/8" of the backplate can fix this as much dust escapes. Many slightly reluctant to attack pads with files and hacksaws but like the chamfering trick mentioned above, some mods to the friction material can help fix probs. Domus, extend your pad life by swapping outer to inner half way through! Peter Link to comment Share on other sites More sharing options...
peter clarke Posted July 30, 2012 Share Posted July 30, 2012 Yes universal joint grease. Found copper slip just dries out. The special grease sounds interesting. Did not ting chamfering edges helped. Link to comment Share on other sites More sharing options...
Domus Posted July 30, 2012 Share Posted July 30, 2012 Domus, extend your pad life by swapping outer to inner half way through Good point, I intend stripping fronts next service ie 12 months. I used to do this when I had EBC discs before, the dimples and grooves become packed with dust, as do the grooves in the pads. Proper servicing, main dealers don't even remove wheels on a service, never mind stripping and cleaning brakes. Edited by - Domus on 30 Jul 2012 21:19:11 Link to comment Share on other sites More sharing options...
6speedmanual Posted July 30, 2012 Share Posted July 30, 2012 I've used Ceratec for years since a free tube with some Mintex M171 pads 🥰. They used to squeal like a stuck pig. Chamfered, filed snd grooved for England but basically they hated commuting from Gravelly Hill to Lode Lane. When Mintex went all eco asbestos free it took a while before 1144 formula was up to the job of stopping a tweaky V4. I recall an set of early 1144s lasting about 60 tarmac miles. Much better now. The formulae/recipe must change over time but 1144, 1155, 1166 are like brand names now. Eg. 3 5 7 Series BMW. Peter Link to comment Share on other sites More sharing options...
peter clarke Posted July 31, 2012 Share Posted July 31, 2012 Peter, any idea which Ceratec you use,as Liqui Moly who manufacture this product do a large range? Link to comment Share on other sites More sharing options...
dom69 Posted August 19, 2012 Author Share Posted August 19, 2012 Good News; finally got round to doing something about the squealing today, i chamfered the pads, cut a groove in them matching the depth of the m1144 racing pads, took the glaze of with some sand paper and applied copper slip (it was all i had to hand) to the rear of the pads and success!!! 😬 I don't know which action cured it but now i can finally stop without sounding like a cat being castrated. Link to comment Share on other sites More sharing options...
dom69 Posted August 19, 2012 Author Share Posted August 19, 2012 by the way thanks to everyone for there suggestions Link to comment Share on other sites More sharing options...
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