Vehicle & Technical > Discovery

Brakes binding after getting hot?

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Wanderer:
The first thing I'd do is check the calliper pistons are returning on their own and something isn't jamming them. Then change the fluid if you think it's been contaminated.

Range Rover Blues:
You need to check that the pistons are moving when the brakes are applied and that's a 2 man job, one to watch and one to brake obviously.  You may have a wrecked master cylinder, ther's also a deceleration valve for the rear brakes but it's more likely to stay open than shut.  Oh yeah, check your flexis too, often a knacked one will have aflap inside that can work like a non-return valve or sometimes they collaps internally.  I've heard of both happening before now.

muddysteve:
hello Tim  :D

Sharpshooter:
Could also need a Brake Fluid change. Brake fluid actually attracts water, thats why you have a rubber seal on the pot cap. (aswell as to stop fluid coming out.

If the water content is too high (Local garage should be able to test for you), Then the water in the fluid heats up and expands. Brake fluid should not do this on its own.

Change all the fluid, and see if it still does it. I had it on my 205 GTI, and when it gets bad, you cant drive for more than a few mins before you notice it. :D

Range Rover Blues:
If it's absorbed that much water then something is wrong!  It's the cheapest thing to try though so start there.

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