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22-08-2012, 08:15 PM
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#1 | ||
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Regular Member
Join Date: Feb 2009
Posts: 107
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I have the dreaded brake squeil on my AU ute only when turning right and it actually goes away when turning left. it also is louder at higher speeds.
I have adjusted the handbrake way back so that it barely works to test if thats it and i dont think it is. the reason for this is that if i touch on the brakes then the noise stops but if i pull the handbrake it makes no difference. I took apart the rear calipers and cleaned and re greased the slides as they were a bit stuck however the sliding pins were a bit rusty. Now the noise is a bit worse, it seems, with some weight in the back of the ute, is it possible the load proprioning valve is stuffing me around? or should i try new caliper pins first. |
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22-08-2012, 09:32 PM
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#2 | ||
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FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melb north
Posts: 12,025
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just a thought, in the past if i had an inkling it might be a bit of movement with the metal part of the pad or a pin or anti squeal plates against another metal part of the caliper making noise, i would rub the smallest of the smallest bit of graphite grease on the affected parts, and i mean small enough so it could`nt possibly get on the friction area and affect braking !!!
i would`nt bother with replacing the pin, i would just lube it, i don`t know about the valve(it seems unlikely to me). the only other thing i can think of is there might be a bit of runout in the rotor, it might have small high/s spot on it causing a glazed spot on the pad, so when you go around corner x with the slight flex of the axle the pad is touching the high spot on the rotor, i don`t know mate, just theory. |
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22-08-2012, 11:30 PM
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#3 | ||
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Banned
Join Date: Dec 2007
Posts: 3,290
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Sorry to enter thread but it kinda related to this I notice one of my caliper pin bolt rubbers has broken where do you get new ones?
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23-08-2012, 07:28 PM
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#4 | ||
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FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melb north
Posts: 12,025
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ford spares, most brake parts places would have them, you could order them through repco/bursons,etc if they did`nt have them.
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23-08-2012, 08:45 PM
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#5 | ||
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not here much anymore
Join Date: Dec 2004
Location: Sthn NSW
Posts: 22,918
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Do the AU utes actually run load proportioning valves? Must admit I never really paid much attention to the braking system but I didnt think they had one.
__________________
2024 F150 XLT
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24-08-2012, 09:58 AM
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#6 | ||
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Regular Member
Join Date: Feb 2009
Posts: 107
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yes my ute does have one, well it certainly looks like one. and i would not be suprised as mine is a 1 tonne, they might not have it on 3/4 tonne utes or XR's.
thanks mik, i think it definately a 'rotational' noise not pad vibration and the disks are 6 month old brembo ones so i dont think they have runout and i can not feel any wobble at all. BHDOGS, i will be asking around for new pins and i might get new rubbers too if i am successful i will let you know but my first try will be a brake shop. Last edited by 13101093; 24-08-2012 at 10:04 AM. |
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24-08-2012, 10:09 AM
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#7 | ||
Join Date: Dec 2004
Posts: 9,292
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Yes, the AU utes do run a LPV.
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25-08-2012, 08:06 PM
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#8 | ||
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Cruising...
Join Date: Aug 2009
Location: Perth
Posts: 3,819
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Im experiencing much of the same problem except after today, im hearing the same squeal while the car is NOT turning but going in a straight line! And mines a wagon... It has had the turning squeak for a couple of months now.
Rotational noise, squeak squeak squeak, co-relates with speed...applying the footbrake and handbrake do nothing to the sound. Doesn't do it everytime but often enough. Unsure of what the go here is.
__________________
FBT '98 BA XT '04 F100 4x4 '82 Subaru Outback '02 |
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25-08-2012, 11:00 PM
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#9 | ||
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Banned
Join Date: Dec 2007
Posts: 3,290
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Wheel bearings I'd say
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26-08-2012, 05:34 PM
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#10 | ||
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Regular Member
Join Date: Dec 2011
Location: Melbourne, VIC
Posts: 175
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Only the 1 tonners run load proportioning valves.
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31-08-2012, 12:50 AM
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#11 | ||
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Regular Member
Join Date: Mar 2007
Location: Melbourne
Posts: 364
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Xr utes do not have a lpv fitted
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MR INCH
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31-08-2012, 09:17 AM
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#12 | ||
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Regular Member
Join Date: Feb 2009
Posts: 107
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well the noise is persisting, so i will be trying new caliper pins first, then onto wheel bearings if the noise does not stop after that.
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31-08-2012, 02:39 PM
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#13 | ||
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Cruising...
Join Date: Aug 2009
Location: Perth
Posts: 3,819
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Let us know how you go!
__________________
FBT '98 BA XT '04 F100 4x4 '82 Subaru Outback '02 |
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Load proportioning valve??
Linear Mode
