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22nd March 2019, 20:31 | #1 |
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Mg zt Join Date: May 2018
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Brakes overheating
The back brakes on my mg zt are overheating. I have checked and cleaned all Caliper slides and checked that piston moves in and out. Wheels seem to turn ok when I check with car stationary. When I drive for a few minutes and then check disks. They are both very hot. Can anyone suggest what I try next?
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22nd March 2019, 20:34 | #2 |
Gets stuck in
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Are the park brake shoes dragging , although you do say they turn OK when checking stationary. Could be a loose shoes or lining
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22nd March 2019, 20:38 | #3 |
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The hand brake seems to be working ok.
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22nd March 2019, 21:35 | #4 |
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MG ZT T 180,MGF Freestyle, Jaguar XKR Convertible and XF Join Date: Jan 2008
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Brakes
William
Have you got the correct discs fitted, have seen this happen when the wrong discs were fitted, should have been vented, but they replaced discs with solid, and then the discs were Overheating Stu |
22nd March 2019, 23:50 | #5 |
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Yes. Disks have not been changed and are vented.
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23rd March 2019, 15:59 | #6 |
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Jack the wheel up and turn it by hand to detect any drag from the brakes or resistance in the bearings. Clearly it has to be one or t'other.
TC |
11th August 2021, 16:35 | #7 | |
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Quote:
Check your backplates haven’t rotted away and released the pins that hold the handbrake shoes on.
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Lest we forget..
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11th August 2021, 17:41 | #8 |
Gets stuck in
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Or take a leaf out of my book and stop using them, they only slow you down.
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This vehicle was the 5,293rd ZT to run off the production line, out of 18,894 This vehicle was the 1st ZT 260 SE to be made out of 384 This vehicle was the 75th ZT in Starlight Silver (code: MBB) to be made out of 2,479 Starlight Silver ZTs (Now in Zircon) |
11th August 2021, 18:42 | #9 | |
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Quote:
Even a gentle stop would be enough to make them hot (relatively speaking). Dangerously hot after a couple of miles driving too (do not touch them, speaking from my 17 year old self's experience lol) Sent from my SM-A600FN using Tapatalk
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11th August 2021, 20:24 | #10 |
I really should get out more.......
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I’ve had this a couple of times on customers cars, wheels spin freely, slides and pistons move ok, drive for 15 mins they start to bind or drag. In both cases it was the piston that was causing the issue, even though it moves when forced with a clamp or screw driver
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