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rover P6b 1974 brakes
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Clactonguy



Joined: 20 Mar 2018
Posts: 57
Location: clacton on sea

PostPosted: Tue Apr 09, 2019 5:24 pm    Post subject: rover P6b 1974 brakes Reply with quote

as usual handbrake issues. just failed MOT after only just passing it last year! having spent some time under car going over. everything . can't find any. major issues. discs /pads. good. calipers changed 2 years ago ! mechanism works. with brakes back on rest/stop winds . hand brake cable just slight play. pull on handbrake ( grunt . shoulder wrench) and we have ..rubbish .. having checked all we see . cannot find why brakes simply refuse to 'grip' enough to pass mOT. have noticed discs are very well polished compared to front. any ideas? Rolling Eyes
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BigJohn



Joined: 01 Jan 2011
Posts: 900
Location: Nr. Lancaster

PostPosted: Tue Apr 09, 2019 7:49 pm    Post subject: Reply with quote

Have you asked these guys?
https://classicroverforum.net/index.php

Fountain of all P6 knowledge, or were when I had my P6b. I feel your pain. I rebuilt some spare callipers when I did mine. They are over engineered, and answered a question no one asked about brakes. If I had met the designer I'd have snapped his pencils.
_________________
1974 Mk1 Escort. 1992 Mk1 Golf Clipper Cabriolet Auto.
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jp928



Joined: 07 Jun 2016
Posts: 247
Location: Australia

PostPosted: Sat Nov 09, 2019 5:55 am    Post subject: Reply with quote

I never had any issues with functionality of these calipers on several P6, P6B.
Pad replacement , winding back the piston were a PITA, but otherwise OK. We used to support the diff on a jack, remove the rear bolts through the steel plate and lower the diff to improve access. Were the replacement calipers overhauled? My guess would be the self adjusting is not happening, or there is a cable problem - with good visibility of the calipers check that the cable is moving the arm and pin when the lever is operated.
jp 26 Rover 9
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petelang



Joined: 21 May 2009
Posts: 242
Location: Nottingham

PostPosted: Sat Nov 09, 2019 5:37 pm    Post subject: Reply with quote

Probably roughing up the pads and the discs with a fairly course grit paper would suffice to get through test.
Peter
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