Brake issues

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Brake issues

Postby ibm450 on Fri, 14 Jan 2022 11:01 +0000

hi all
having major issues with front left rotor warping and sometimes it surges while slow breaking.

about 3 yrs ago, had new dimpled and slotted rotors fitted along with Bendix 4wd pads, rear drums were machined and new shoes fitted.

about 10 mths later, front left rotor started to warp again in the same manner as the previous rotor. had it lightly machined about 6 mths ago. all was well for about 4 mths and the warping has started again.

i have no idea what's causing the warping and surging / sticking like pulsating feeling when slowing down. more apparent when brakes heat up. the pulse feeling not coming through the drums, as I've done the handbrake test. it definitely feels through the foot pedal.

we have utes at work (Hilux and great wall) and they never seem to warp

is there any braking mob in Perth (north / south of river- prefer south) that can test the braking times from each wheel and see which brake is doing most of the braking whether a calliper is not functioning properly ?

Also, must add, the hand brake has been adjusted a number of times and i still get a run through the hand brake and no way can i lock up the rears, it feels as though the hand brake runs / slips slowly until a part of the shoe grabs the drum when i park up.

2012 - Hilux sr5, manual diesel
2012 SR5 D4D 3L Dual Cab Manual
Hamilton Hill
Perth
WA
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ibm450
 
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Re: Brake issues

Postby dave g on Sat, 15 Jan 2022 7:30 +0000

I would be looking closer a the caliper sticking and heating it up disc
The ather thing is a problem with the abs. Will make you feel it through the pedal
Make sure you don't go playing in cold water with hot brakes
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Re: Brake issues

Postby MickHodalj on Sat, 15 Jan 2022 1:36 +0000

It's possible that there may be a crack in the piston of your calliper the hotter it gets it expands leaving it sticking in the brake position and not releasing did you take note of the wear on the old brake pads was it even on the inner pad or front or rear of pad more worn.
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Re: Brake issues

Postby 241steve on Sun, 16 Jan 2022 4:58 +0000

the caliper has to have something wrong with it if its only one side does the wheel turn freely if its jacked off the ground?
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Re: Brake issues

Postby Rob_Wood on Sun, 16 Jan 2022 7:13 +0000

Thinking outside the box a loose or wobbly wheel bearing???
A Bent Stub axle???
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Re: Brake issues

Postby dave g on Sun, 16 Jan 2022 11:05 +0000

You said the r drums where machined I'm not a big fan of machining drums if there out just a bit they will pulsate just put new ones in.


Rob wheel bearing is not out of the box all.
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