Classic cars forum & vehicle restoration.
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Clactonguy
Joined: 20 Mar 2018 Posts: 104 Location: clacton on sea
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Posted: Tue Apr 09, 2019 5:24 pm Post subject: rover P6b 1974 brakes |
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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? |
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BigJohn
Joined: 01 Jan 2011 Posts: 954 Location: Wem, Shropshire
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Posted: Tue Apr 09, 2019 7:49 pm Post subject: |
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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. |
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jp928
Joined: 07 Jun 2016 Posts: 249 Location: Australia
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Posted: Sat Nov 09, 2019 5:55 am Post subject: |
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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: 446 Location: Nottingham
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Posted: Sat Nov 09, 2019 5:37 pm Post subject: |
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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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