Dragonball Posted August 13, 2002 Share Posted August 13, 2002 Ok guys - please can someone tell me what might be wrong? Have fitted the UK spec rear brakes - all seems to be Ok - but horrible grinding noise from the brakes when driving. Cant see what else to adjust - it seems that the pads are not coming apart? They are Greenstuffs - have bled twice and peddle firm - braking is fine Have checked out the manual under mkiv.com - cant see anything else thst might be amiss Anyone had this problem - could the pads just be too thick? Cheers Paul E:flame Dev ie. not cool Quote Link to comment Share on other sites More sharing options...
eyefi Posted August 13, 2002 Share Posted August 13, 2002 do they grind when u r on or off the brakes? Quote Link to comment Share on other sites More sharing options...
Dragonball Posted August 13, 2002 Author Share Posted August 13, 2002 Starts off with no grind and then soon as brakes used grind starts and remains there. I thought it might be part of the heat shield left - but def brakes. Do you know where the spec is for the toyota brake pad? Will have to remove piston rings etc and clean them out - cant think of why else they are not coming off the disc Paul:cool: Quote Link to comment Share on other sites More sharing options...
Alex Posted August 13, 2002 Share Posted August 13, 2002 Is this a brand new set of calipers??? Could they be sticking?? Any chance something has got into it to cause it to jam? Quote Link to comment Share on other sites More sharing options...
Dragonball Posted August 13, 2002 Author Share Posted August 13, 2002 No not brand new - what part could be sticking apart from the pistons? But they did close up well - and seemed to be loose enough There is no 'spring' to force the pads apart as with some other makes! Paul:cool: Quote Link to comment Share on other sites More sharing options...
Alex Posted August 13, 2002 Share Posted August 13, 2002 Not an expert but just cause you can move them doesn't mean they won't sieze when they get warm/hot. Have you given them a really good test?? Ie stamp on them from 100mph to 20mph about 3 times in a row Quote Link to comment Share on other sites More sharing options...
Dragonball Posted August 13, 2002 Author Share Posted August 13, 2002 100 mph - what kind of a driver do you take me for? - that's aginst the law! The brakes are OK - anyway with the front doing the majority of work - cant really tell about the rears They may well be seizing open - hence taking them apart - but this looks dfficult! Gulp! Paul:cool: Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted August 13, 2002 Share Posted August 13, 2002 Kill me for suggesting it if you like but 2 things come to mind, a pad in the wrong way ound with the metal backing against the disc, and you HAVE fitted the UK discs too, haven't you. Sorry, they had to be asked.... Quote Link to comment Share on other sites More sharing options...
Dragonball Posted August 13, 2002 Author Share Posted August 13, 2002 No not so daft Chris- and wish that it was that simple! The Jap spec rears have pads with two small holes in which the springs fit to bounce them apart - not sure how the UK spec works in that respect. Have keft the disc pack in the garage but all seemed to fit Reading the past posts I think it will be a sticky piston (Oo-er missus!) well I hope! How easy to fix please? Paul Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted August 14, 2002 Share Posted August 14, 2002 Originally posted by Paul E No not so daft Chris- and wish that it was that simple! The Jap spec rears have pads with two small holes in which the springs fit to bounce them apart - not sure how the UK spec works in that respect. Have keft the disc pack in the garage but all seemed to fit Reading the past posts I think it will be a sticky piston (Oo-er missus!) well I hope! How easy to fix please? Paul No offence meant, had to be asked! It WON'T be a sticking piston, unless it ran for so long things pad and disc wise got red hot there would be no noise. It has to be either rough surfaces of the disc (edges?) abrading on something, slight flex causing the dirt shield to touch somewhere if it is still partially intact, or , well, God knows... Take the rear wheels off, make sure nothing is touching the inside of the rims, securely set up on jack stands and get someone to apply the brakes with the car idling in drive, and see where the noise is coming from. Usual caveats like keep hands and clothing clear, I won't go on, I have insulted your intelligence once this week Quote Link to comment Share on other sites More sharing options...
Dragonball Posted August 14, 2002 Author Share Posted August 14, 2002 No offense taken in the slightest m8 - you have forgotten more than I have ever known about the horseless carraige! Will do exactly what you suggested on my m8's ramp Cheers Paul Quote Link to comment Share on other sites More sharing options...
Dragonball Posted August 15, 2002 Author Share Posted August 15, 2002 And pratt prize of the week goes to ME! In the end took them round to Hi-spec to check out my work Problem was caused by the braided hoses catching on the inner wheel arches cus they were not far enough around - DOH!!!! Caught them just in time - before went through metal and burst rubber inner! Refitted whole set up and ran as you suggested Chris - bingo - result! Thanks for input - mucho lesson learned Paul :cool: Quote Link to comment Share on other sites More sharing options...
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