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post #1 of 9 Old 03-13-2009, 04:30 AM Thread Starter
dave01
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hot rear brakes...

2003 wj 4.7 ho .fitted new discs,pads and handbrake shoes, How hot should discs get? Handbrake shoes are not dragging also new calipers fitted. they get hot even when not braking ,hotter than the front which seems strange. one side is hotter than the other.

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post #2 of 9 Old 03-13-2009, 07:45 AM
xJoshxx
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Did you Bleed correctly?

Or possibly bed in the new Pads?

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post #3 of 9 Old 03-13-2009, 09:33 AM Thread Starter
dave01
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I think I bled them properly, just the same as ive done other cars. unless jeeps are different . the pads have done a few hundred mile
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post #4 of 9 Old 03-13-2009, 10:07 AM
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How hot is hot? Ok, I'm not looking for a precise degree value, but too hot to touch? Too hot to hold comfortably?

Is the side that is getting warmer on the passenger side near the exhaust?

If you are sure the parking brake shoes are adjusted correctly and not dragging, then I wouldn't worry too much about it. It is pretty hard to do anything wrong when replacing brake pads on a caliper.
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post #5 of 9 Old 03-13-2009, 10:08 AM
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the last time you replaced your brake pads, did you only replace the front and leave the rears alone?
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post #6 of 9 Old 03-13-2009, 01:49 PM
ratmonkey
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brake rotors will stay over 400 for a while after a decent drive around town.

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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post #7 of 9 Old 03-16-2009, 04:12 AM Thread Starter
dave01
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the rear rotors are to hot to touch when you can touch the front .I know the handbrake is not dragging has I havent adjusted them yet ....the lever will point to the sunroof or nearabout and the car will roll ,the car will also roll in neutral so pads cannot be dragging to much. Hand brake adjustment appears to be difficult on this car because when up on a 2 post lift the wheels are hard to turn (is this something to do with quadra drive?) even if transfer box lever is in neutral so its not easy to feel/hear if the shoes are dragging would removing the rear propshaft help?
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post #8 of 9 Old 03-16-2009, 04:18 AM Thread Starter
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Oh nearly fogot the passenger side /nearside is hotter ,the exhaust is on drivers side over here..would have thought its to far away to affect rotor temperature rear temp around 180 fronts around 100 f normal driving 30-50 mph not braking harsh.
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post #9 of 9 Old 03-17-2009, 09:10 AM
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Quote:
Originally Posted by dave01 View Post
Oh nearly fogot the passenger side /nearside is hotter ,the exhaust is on drivers side over here..would have thought its to far away to affect rotor temperature rear temp around 180 fronts around 100 f normal driving 30-50 mph not braking harsh.
Sorry dave, I missed that you were in the UK! I usually try to notice those things. Not that I have any new pressing info now, but at least I know it is probably not your exhaust

Since you have QD diffs it will be harder to turn when on a lift compared to an open differential. Even with your Tcase in neutral it, spinning one rear tire will spin the drive shaft and the internals of the Tcase. Yes, disconnecting the rear drive shaft will allow you to spin the tires more easily and listen for anything dragging (the opposite side tire should still spin).

If it is not pad/shoe contact creating the extra heat, and all those parts are working properly, the next suggestion would be the wheel bearing, or do not let the little extra heat worry you.

HTH
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