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10-11-2016, 08:51 AM
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#1 | ||
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Regular Member
Join Date: Sep 2006
Posts: 80
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Hi guys,
Have had a very bad vibration under braking on my 2008 LT Tdci! I have changed all the rotors and pad and still have the same problem. Thought it might have been a set of bad rotors so got a new replacement set from the manufacturer under warranty and still the same vibrations! Got the car checked out before the second replacement set of rotors were put on and they said the rotors were warped, hence why i got a new set under warranty. This is driving me insane as i dont know what else could be the problem! Any other reason why this vibration could be happening?? Thanks for the help guys 
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10-11-2016, 09:04 AM
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#2 | ||
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FF.Com.Au Hardcore
Join Date: Jan 2009
Location: Victoria
Posts: 877
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What brand pad are you using? Some pads may cause an uneven transfer of friction material onto the rotor
Sometimes the hub face can also have a rust / dirt build up, causing excessive runout. |
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10-11-2016, 09:53 AM
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#3 | ||
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Regular Member
Join Date: Sep 2006
Posts: 80
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Pads are Bendix euro+ and rotors are RDAs
Hub was cleaned of rust and dirt before the new rotors were put on |
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10-11-2016, 11:16 AM
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#4 | ||
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FF.Com.Au Hardcore
Join Date: Apr 2014
Location: NSW
Posts: 1,610
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have you recently had tyres rotated so they run in opposite direction (also are they directional) - obtain correct spec. & tighten wheel nuts with torque wrench 100Nm. I think !
have you had suspension and calipers checked for wear or seizing and verified wheels are not warped ...... |
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10-11-2016, 11:44 AM
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#5 | ||
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Regular Member
Join Date: Sep 2006
Posts: 80
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Tires are check by Bridgestone every 3 months as per there warranty.
Rotated and balanced as required. All suspension was checked out by Pedders when i took the car in and all the replaced was the lower control arm bushes Calipers where fine when brakes done and wheel are fine as Bridgestone would have told me otherwise on the report i receive!! I'm at a total loss as to whats going on :( |
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10-11-2016, 12:02 PM
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#6 | ||
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FF.Com.Au Hardcore
Join Date: Jan 2009
Location: Victoria
Posts: 877
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Good pads and good discs. Clean hub. Calipers OK. Weird! Not sure what is going on there.
One other thing - I take it that the caliper slide pins are all OK and well lubricated? |
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10-11-2016, 12:04 PM
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#7 | ||
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Regular Member
Join Date: Sep 2006
Posts: 80
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I'm hoping that it isn't another set of bad rotors!!
But what are the chances of two sets in a row!!! It's going for a service soon to Ford so i'll see what they have to say about it |
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10-11-2016, 04:39 PM
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#8 | ||
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FF.Com.Au Hardcore
Join Date: Jul 2008
Location: Melbourne
Posts: 804
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unlikely but if the pads stick it heats up the rotors and warps them, was a problem on mid 2000 falcons till they fixed it.
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10-11-2016, 09:30 PM
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#9 | ||
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FF.Com.Au Hardcore
Join Date: Mar 2013
Posts: 7,755
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Brake shudder can also be caused by out of round rear rotors or drums. Have you checked the rears as well...
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11-11-2016, 09:08 AM
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#10 | ||
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Regular Member
Join Date: Sep 2006
Posts: 80
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new rotors and bads on rear too
and a new left rear caliper as the old one had a leak :( Vibration was there before and after all the work was done!! |
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11-11-2016, 09:20 AM
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#11 | ||
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FG XR6 Ute & Sedan
 Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,606
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Have a read of this http://www.mossmotors.com/SiteGraphi...ake_discs.html and http://stoptech.com/technical-suppor...nd-other-myths and try bedding the brakes in again.
__________________
regards Blue |
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11-11-2016, 09:58 AM
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#12 | ||
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Regular Member
Join Date: Sep 2006
Posts: 80
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Thanks for the info Aussiblue.
I'll have to give it a go on the weekend Will keep you guys posted
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13-11-2016, 09:31 AM
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#13 | ||
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FF.Com.Au Hardcore
Join Date: Mar 2010
Posts: 1,481
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Might also be caused by a by one piston in one of the brake calipers not working properly
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steering vibration HELP! :(
Linear Mode
