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| Brake caliper issues https://forums.tipec.net/viewtopic.php?f=25&t=8786 |
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| Author: | starboard147 [ Wed Jun 16, 2010 7:48 pm ] |
| Post subject: | Brake caliper issues |
Any tips for getting siezed caliper connections loosened (such as bleed valves, flexible hoses, etc). Calipers are stripped so seals are out - would a bit of heat help with the problem? Also, what sort of adhesive is best when re-using vibration absorbers? At £20 a throw, I intend to re-use the ones I took off... |
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| Author: | Lee 944 [ Wed Jun 16, 2010 8:03 pm ] |
| Post subject: | Re: Brake caliper issues |
The method I use to get bolts out is to build them up with a bit of weld from the MIG and out they come. I also use the same method for bleed nipples, etc. Never scrapped a caliper yet, they always come out. Best method for sheared nipples and hose connections is to drill the nipple with a 3 mm pilot drill being careful to to drill right into the caliper. Measure against a good nipple and mark the height with a bit of tape. Gradually increase drill size until you are up to 8mm. I then fill the hole with weld until about 8 to 10 mm out and then unscrew with a pair of vice grips. Alasdair This was mentioned in a previous post by Alistair (Sulzeruk), don't know if you want to try? |
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| Author: | starboard147 [ Sun Jun 20, 2010 8:52 pm ] |
| Post subject: | Re: Brake caliper issues |
Thanks for the advice - I'm not sure that my welding skills are up to that!! In the end, a local engineering company did it for me, although Alasdair very kindly offered to assist if I got stuck. Calipers all rebuilt and ready to go back on now. Any knowledge about the adhesive between pads and vibration absorbers when refitting? Glue or double sided tape? |
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| Author: | starboard147 [ Tue Jun 22, 2010 10:01 pm ] |
| Post subject: | Re: Brake caliper issues |
No responses so either nobody knows or ..... Spoke to some experts and I'm told that, for Textar pads either OPC or OEM, there is now no need for vibration absorbers - they are now built into the back of the pad. On the back, you will find 2 sheets of shiny material which replaces the damper. Apparently, this mod has been in place for around 2 years!! By the way, this is for a 944T - not sure about other models. Does it work??? Will tell you soon... |
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| Author: | DaveM [ Wed Jun 23, 2010 11:22 am ] |
| Post subject: | Re: Brake caliper issues |
Be interested to know myself. I'm due to replace the disk and pads on mine this summer. |
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| Author: | ExAudiSi [ Wed Jun 23, 2010 12:27 pm ] |
| Post subject: | Re: Brake caliper issues |
I didn't put any vibration dampers the Green Stuff pads when we rebuilt the callipers on my 968. Just used copper grease instead. |
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| Author: | scam75 [ Wed Jun 23, 2010 12:50 pm ] |
| Post subject: | Re: Brake caliper issues |
TRW pads have this built in (formerly Lucas) and it works fine. I would apply some copper grease too just to be safe. My new rear pagids had this too although I see the front ones (for a 250 turbo) still require the shims in place. The other problem you may have is pad to disc noise which Pagids are really bad for. I had 2 front sets and both had the same unbearable noise then on changing to the TRW's i got a smidge of noise for a few miles then quiet. Interestingly the TRW's have the pad surface split in two (divide in the middle) whereas the pagids are one big surface. Don't know if this is a factor in noise or just the material they are made with. Hope this helps. Stuart |
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| Author: | starboard147 [ Sun Jun 27, 2010 4:47 pm ] |
| Post subject: | Re: Brake caliper issues |
starboard147 wrote: Does it work??? Will tell you soon... Well, one track day and some 300 road miles later... the brakes are fine. There is a bit of squealing now and again, particularly when finally coming to a halt at very slow speeds however other than that, they work as advertised! Pads fitted at the moment are Textar - anyone have any views on EBC YellowStuff, specifically for track work? P.S. no pad to disc noise... |
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