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The mkiv Supra Owners Club

Help! removing rear brake disk :-(


Chris and Alana

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I'm in the process of trying to remove one of my rear disk's. I have spent all morning trying to get the sucker off but I cant seem to get it. I removed the caliper and and used the hole in the disk to adjust the brake shoe's slack but no amount of beating is getting the disk off. Can anyone help me please as my car is sitting on my drive with one corner in peices and it looks like its going to rain :(

Oh, I also read that there is a 8mm threaded hole in the disk to help remove it but I cant see one. There is one hole to get to the adjuster and two holes that go slightly through to somewhere but they are not threaded in the slightest.

:helpsign:

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Is your hand brake in the off position...... , the two holes should be there and they should be threaded m8 x 1.5 I think ......wind them both in till they both have pressure ..then with a rubber mallet ( solid taps )hit the hub @ 4 points ...like a clock 12 o-clock , 3 0-clock ,6 o-clock, 9 0-clock and over then wind more even pressure on the two m8 bolts , then more solid tap around the clock , then more pressuse on the m8 bolts .....it will let go .....just dont get too excited on the m8 bolts too soon little by little..........it will

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Does the disc move at all when you try to remove it?

 

If not, the disc may well be corroded on solid. It was like this on my van last time, I had to cut it off with an angle grinder. You've got to be careful that you don't cut into the hub though.

 

If the disc is moving off a little but is proving difficult to pull away from the hub then this normally suggests that the hand brake shoes should be wound in further. Don't force the disc off as you could easily damage the handbrake arrangement.

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Thanks guy's, what a f**k on I'v had today :( I did eventually get those disks off, they were corroded on there solid. I had too use a rubber mallet and those M8 bolts and lots of WD40. I did find the bolt holes eventually but the alloy had compressed a load of crap in the holes so the holes were filled in flush with the disk :( it took some scraping to find them. Anyway after a hole day on the car I managed to only replace the rear disks and pads because when I went to move onto the front's the wheel locking nut key snapped as I was trying to remove the first front wheel:badmood: so then I spent the last 3hours or so trying to get the wheel nuts off. Eventually a neighbour came along with a nice quality 21mm socket and a big mallet and braid the buggers off, whoopie. Then after thanking him loads I started packing up everything and guess what I found. . . The pins off one of the rear brake pads I forgot to put on :( So off with the back wheel again and put that on. Not a very productive day. I still have the fronts to do, fit all 4 braided lines and flush the old fluid out tomorrow. Hopw I have a better day than today. Oh and please say the fronts are easier to change then the rears. . .

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The fronts are easier than the rears, well i found that anyway.

 

If the fronts are seized to the hubs i found that a drop of white spirit where hub face meets the disc is all you need to split them, i found this cos i was using a hammer with no luck and making alot of noise, decided to use white spirit (and i am only talking a drop) left it for about 20 seconds then lightly tapped the top of the disc and they came straight off :)

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