| [ Total Views: 726 | Total Replies: 9 | Thread Id: 108154 ] |
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 blompod
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| posted on January 15th, 2015 at 03:32 PM |
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brake master cylinder question
I have a 62 with disk brake front end, the brake pedal used to be very hard now its quite spungy, still seems to brake okay but the master cylinder is
wet with brake fluid at the front, think its leaking where the reservoir is attached to the unit. The reservoir is attached straight on top of the
master cylinder, empi unit. That tells me straight away its bad quality. Is there a seal I can replace? or will it need a new master cylinder? I read
somewhere the remote reservoir is a better setup, true?
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 vw54
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| posted on January 15th, 2015 at 06:08 PM |
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| Quote: |
master cylinder, empi unit.
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yes that's the problem
buy a new ATE German unit
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vwo60
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| posted on January 15th, 2015 at 06:51 PM |
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Is it a single circuit master cylinder, upgrade to a dual circuit one , make certain it is a ATE as above, also place the reservoir back up under the
bonnet, brake fluid is hydroscopes and in its current location it will absorb moisture through the reservoirs breather holes as it is exposed to all
the moisture under the car..
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blompod
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| posted on January 15th, 2015 at 11:05 PM |
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yes its been upgraded to a dual I think. Okay so I need the new ATE master cylinder, remote reservoir, and hoses to suit? Will there be an opening
under the bonnet on a 62 that the hoses will run from the reservoir to the master cylinder below the fuel tank?
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vwo60
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| posted on January 16th, 2015 at 05:58 AM |
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I just mounted the reservoir behind the spare tyre as per the original.
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blompod
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| posted on January 16th, 2015 at 01:31 PM |
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Mine still has the original reservoir there, this wont feed a dual circuit master cylninder hey?
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vwo60
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| posted on January 16th, 2015 at 02:59 PM |
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I used two single standard reservoirs, you will need to use the later type which has two reservoirs in one or two of the early type.
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blompod
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| posted on January 16th, 2015 at 03:26 PM |
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Okay cool thanks, I'll have to remove the window washer tank for it to fit, but that doesnt work anyway.
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blompod
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| posted on January 17th, 2015 at 12:22 PM |
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I was speaking to Mick at Mick Motors and he said if its not leaking inside the car at the rubber boot neat the pedal your master cylinder shoud be
fine, more likely a gromet under the resivour needs replacing, or possibly a cracked resivour. Yeah?
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psimitar
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| posted on January 17th, 2015 at 07:18 PM |
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Empi gear can be pretty awful stuff but from what you've said and there being no fluid in the brake pedal pushrod boot then saound like air being
drawn in at the MC to res grommets.
So before we go gung-ho into a new reservoir pop the old one off the MC and dig the grommets out. By checking both the spigots on the bottom of the
res and the state of the grommets you'll know which ones need replacing. Do this as it's the cheaper option and once back together and all bled then
if it still has a soft pedal and no fluid leak then time for the expensive MC replacement.
A part shouldn't be condemned until known to be beyond repair 
madness is in the eye of the beholder  |
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