bryant Posted November 3, 2016 Report Share Posted November 3, 2016 The rear brakes on my TR7 are getting hot without any excessive braking, how hot well between 50 and 100 deg.C measured with an Infra red thermometer. They are also binding on as car cannot be pushed when parked on level ground but if left to cool car will move. Two garages have had a look at and cannot find any problem. However have had two or three independent opinions that the cause could be the master cylinder or air in the system. Any suggestions about what to look at first? Quote Link to post Share on other sites
David James Posted November 3, 2016 Report Share Posted November 3, 2016 I had a similar problem with my TR2. After a few miles the brakes started to bind badly. I would either have to bleed off excess pressure via a wheel cylinder bleed nipple or wait a long time until the car would roll again. I could prevent this happening providing I didn't use the brakes! I finally found the problem to be a small bleed hole in the master cylinder was blocked and not allowing the expanding fluid to move back into the reservoir. Good luck. David Quote Link to post Share on other sites
Alec Pringle Posted November 3, 2016 Report Share Posted November 3, 2016 The brake balance, pressure reducing valve, when it goes tits up (as they do) can also produce the overheating rear brakes. Cheers Alec Quote Link to post Share on other sites
Chris59 Posted November 4, 2016 Report Share Posted November 4, 2016 (edited) Or the rear brake flexible, if old enough : it can play as an "anti-return valve" effect, when the rubber perished in the hose. Don't ask..... Edited November 4, 2016 by Chris59 Quote Link to post Share on other sites
bryant Posted November 12, 2016 Author Report Share Posted November 12, 2016 Thank you for your suggestions. I have changed the rear flexible and so far so good my problem seems to be solved Quote Link to post Share on other sites
Chris59 Posted November 13, 2016 Report Share Posted November 13, 2016 You're welcome, Bryan. Quote Link to post Share on other sites
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