FastBarney
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| posted on 11/12/08 at 08:12 PM |
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brake problems
hey
my front brakes (original sierra) on my tiger seem to be get stuck when they get hot. You can hardly turn the wheel when they are hot after a few hard
brakes.
One's there cool they turn perfect around.
Put everyware new greas on., brake pads are ok. still the same problem
my first thought was
that the brake calibers where bad. that the old rubbers who help the pistons are bad because of the age. When the rubber is could it much stiffer and
helps the pistons go in. when the are hot the are les stif and the piston's doesn't go in as it should be.
But the two front wheels has got it. I would be a very "lucky" persone that my two front calibers are going broke on the same time.
Maybe now i am thinking that it would be the main brake cilinder.
Did one of you guy's had the same problems. Or anybody a idea what it could be? Because i don't know it anymore 
cheers melvin
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RichardK
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| posted on 11/12/08 at 08:17 PM |
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I would look at the master cylinder or the return of the pedal, maybe the push rod is sticking and the time it takes for the disks to cool is enough
time for the master cylinder pushrod to return.
Cheers
Rich
Gallery updated 11/01/2011
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Howlor
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| posted on 11/12/08 at 08:21 PM |
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I do recall a very similar post to this earlier this year, I will look through the search for you.
Steve
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Hellfire
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| posted on 11/12/08 at 08:32 PM |
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We've had a similar problem very recently. It's the brakes sticking which makes the discs hot. We have a Sierra master cylinder and the
seals are allowing fluid to get behind the piston, effectively locking the brakes until it has drained back through. (Which takes quite a while  )
Sounds like you need another brake master cylinder. 
Phil
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FastBarney
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| posted on 11/12/08 at 09:15 PM |
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thanks mate's
for the quick replay
ok i think i still have a spare master cylinder some where
Will try it this weekend.
kind regards
melvin
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FastBarney
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| posted on 11/12/08 at 09:15 PM |
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thanks mate's
for the quick replay
ok i think i still have a spare master cylinder some where
Will try it this weekend.
kind regards
melvin
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FastBarney
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| posted on 11/12/08 at 09:16 PM |
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thanks mate's
for the quick replay
ok i think i still have a spare master cylinder some where
Will try it this weekend.
kind regards
melvin
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FastBarney
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| posted on 11/12/08 at 09:16 PM |
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thanks mate's
for the quick replay
ok i think i still have a spare master cylinder some where
Will try it this weekend.
kind regards
melvin
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austin man
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| posted on 11/12/08 at 10:04 PM |
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check the free play on the rod into the cylinder quite often people dont give any degree of free play which can also cause this problem
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britishtrident
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| posted on 12/12/08 at 07:57 AM |
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The problem is hydraulic lock but it is highly unlikely to be the master cylinder itself that is at fault --- The usual cause is the pedal
pushrod is not allowing the piston in the master cyilnder to return fully. This can be caused by mal adjustment of the push rod length, pedal height
adjustment or the mushroom head of the pushrod fouling on the hole in the washer on at te end of the mastercylinder.
If you have a servo fitted it can also be caused by maladjustment of the little hex headed adjuster at the master cylinder side of the servo
pushrod.
Also check you haven't over filled the brake fluid resevoir as it needs an air space to allow for fluid expansion.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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FastBarney
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| posted on 16/12/08 at 04:54 PM |
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hey
replaced the master cylinder this weekend and the problem is solved!!!! 
Thanks for the help
cheers melvin
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