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brakes 1970 CS problem
https://ausmini.com/forums/viewtopic.php?f=2&t=98115		 Page 1 of 1
Author:  p7676 [ Wed Jan 02, 2019 9:30 am ]
Post subject:  brakes 1970 CS problem
I took the CS for its first run last week the car is a full restoration , not registered yet, only drove in my dead end street , when I applied the brakes it felt like one rear wheel locked on .I then went into reverse and it seemed ok then it happened again. I have time now to find the problem ,the brake pedal is just above half, when I start the car the pedal is hard up max ,any ideas what to look for? New booster master cylinder brakes etc
TY Allen
Author:  9YaTaH [ Wed Jan 02, 2019 9:51 am ]
Post subject:  Re: brakes 1970 CS problem
p7676 wrote:
I took the CS for its first run last week the car is a full restoration , not registered yet, only drove in my dead end street , when I applied the brakes it felt like one rear wheel locked on .I then went into reverse and it seemed ok then it happened again. I have time now to find the problem ,the brake pedal is just above half, when I start the car the pedal is hard up max ,any ideas what to look for? New booster master cylinder brakes etc
TY Allen


Too soon to say...the car needs a good run with firm brake applications from various speeds to bed in...if it locks or pulls either way...limp home and re-adjust or look for a problem like a blown wheel cylinder (Yes, new ones can blow)

you could try some forward and reverse stops in the street (at your own licence peril!)
Author:  winabbey [ Wed Jan 02, 2019 10:02 am ]
Post subject:  Re: brakes 1970 CS problem
In Vic you can get a temporary permit if taking an unregistered car to be registered or repaired or for a roadworthy. You are then covered for TP insurance.
Author:  simon k [ Wed Jan 02, 2019 12:03 pm ]
Post subject:  Re: brakes 1970 CS problem
addressing the problem - pull the drum off, there will be something floating around in there, likely rubber - I once had part of the boot from a wheel cylinder come adrift and did exactly what you describe
Author:  DavidE [ Wed Jan 02, 2019 12:57 pm ]
Post subject:  Re: brakes 1970 CS problem
simon k wrote:
addressing the problem - pull the drum off, there will be something floating around in there, likely rubber - I once had part of the boot from a wheel cylinder come adrift and did exactly what you describe


At the same time, double check that the correct size wheel cylinders are fitted.
Author:  Harley [ Wed Jan 02, 2019 7:24 pm ]
Post subject:  Re: brakes 1970 CS problem
Also check they are both correctly adjusted and tyre pressures are what they should be.
Author:  deluxe67 [ Wed Jan 02, 2019 10:34 pm ]
Post subject:  Re: brakes 1970 CS problem
And the linings are hooked up the right way round and the drums are true.
Author:  p7676 [ Thu Jan 03, 2019 3:12 pm ]
Post subject:  Re: brakes 1970 CS problem
Problem solved, it was a stuck piston in the reco brake booster.
Allen
Author:  Ian_B [ Thu Jan 03, 2019 3:44 pm ]
Post subject:  Re: brakes 1970 CS problem
Well done finding that mate!!
Author:  9YaTaH [ Thu Jan 03, 2019 4:36 pm ]
Post subject:  Re: brakes 1970 CS problem
p7676 wrote:
Problem solved, it was a stuck piston in the reco brake booster.
Allen


Take it back to the workshop that did the work...its liable to do the same thing again :idea:
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