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Location:
Terrigal
Registered:
May 2002
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air in brakes
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Sat, 04 October 2003 05:26
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Hello, i'm trying to help a mate out with his 280zx.
Its been sitting around for a year or so and i was bleeding the brakes.
Did the back fine and peddle was feeling pretty good.
Cracked open one of the front calipers to start bleeding and lost all peddle feel. Bubbles are coming up in the fluid in the master cylinder also.
How do you tell if the air is getting in the caliper, or master cylinder?
Thanks
Joel
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Location:
sydney
Registered:
March 2003
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Location:
Terrigal
Registered:
May 2002
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Re: air in brakes
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Sat, 04 October 2003 10:50
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Hey Jim, i'm good mate hows you been?
Cool i'll try crimping off each line to see which one is causing the problem.
Even when bleeding it just keeps spitting out heaps of air and never seems to improve so i'm guessing air is getting in somewhere.
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Location:
sydney
Registered:
March 2003
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Re: air in brakes
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Sat, 04 October 2003 11:28
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i have come across bad master cylinders
especially if they have been sitting for ages
best bet is fit a new one if its been sitting for a yr
not worth fukin with brakes if they have been sitting for so long
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Location:
Sydney
Registered:
May 2002
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Re: air in brakes
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Sat, 04 October 2003 11:41
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when u were pushing the pedal down....did u push it all the way to the floor at any stage ?
you shouldnt do this in old cars
TA
Mani
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Location:
Terrigal
Registered:
May 2002
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Re: air in brakes
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Sat, 04 October 2003 22:35
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Hmm yes it would have gone all the way to the floor. Why is this a problem?
Thanks
Joel
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Location:
Sydney
Registered:
May 2002
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Re: air in brakes
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Sat, 04 October 2003 23:12
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cause during normal operation the master cylinder is never going all the way down ....so theres always a bit thats unused.....and that unused bit starts getting corroded ...
so when u DO finally push it all the way...the corroded part, being all bumpy and rough.....tears the seal
however i have yet to do this.....and i DID push my pedal all the way down on my 74 celica when doing the pads..but i was lucky i spose....however obviously its still possible
especially since it was sitting there for over a year without being used....as opposed to being used partially
did this make sense ?
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