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Bleeding/Filling Convertible Top Motor and Lines

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Old Mar 26, 2015 | 02:38 PM
  #1  
leroycjr's Avatar
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From: Cold part of the Midwest!!!!
Bleeding/Filling Convertible Top Motor and Lines

Hi folks,
Have a convertible top question. We're putting things back together now looking good cant wait to show pics but I have a concern. When lowering the top I noticed that there is a lot of air going through the top lines and at some point on the way down I see no fluid going through the lines and of course the tops slooooooowly goes down. I stop trying to put it down so I don't burn out the motor.

My question is this. I had someone replace the hoses and so I know there is tons of air in the line. I've looked at the cryptic Fisher manual and does anyone have a easier way to FILL and PRIME the lines! OR do you have a craftier way of creating the hose that needs to be put into the motor. Looking for ideas as i want to do this next week.

Help would be greatful.
Old Mar 26, 2015 | 03:02 PM
  #2  
jcmoretti's Avatar
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From: Boxford, MA
I remember reading that part of the manual when I broke a hydraulic line while working on the interior. I was confused.


Ultimately, I added fluid using some clear tubing and one of those colored ketchup/mustard squeeze bottles that my wife bought for parties. I didn't make the fancy plug the manual calls for.


I simply don't recall whether the air bubbles worked themselves out or not. But the top works, well except for the holes in it!
Old Mar 26, 2015 | 04:04 PM
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I disconnected the cylinders from the top frame, run them in and out and checked the fluid often as I did this. (they did not extend the same rate, one opened before the other) Used a squirt oil can to fill. Then as I saw less air, I hooked them back up and and did the same thing. Eventually I saw little air in the lines, topped it off and left it. I believe Hydro-E-lectric had instructions on line.
Old Mar 26, 2015 | 05:08 PM
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So what is the recommended fluid? ATF?
Old Mar 26, 2015 | 06:31 PM
  #5  
QMaster's Avatar
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Yes, ATF works. I had to replace a cylinder last year. I used the Hdro-Electric instructions and they worked fine.
Old Mar 27, 2015 | 06:00 AM
  #6  
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Originally Posted by Fun71
So what is the recommended fluid? ATF?
68 - up used ATF
67 - Down uses brake fluid
Old Mar 27, 2015 | 03:13 PM
  #7  
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If pump and cylinders are replaced ATF can be used. I would think if all is removed you could flush out the brake fluid and replace with ATF, but don't know for sure.
Old Mar 28, 2015 | 05:22 AM
  #8  
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Originally Posted by m371961
If pump and cylinders are replaced ATF can be used. I would think if all is removed you could flush out the brake fluid and replace with ATF, but don't know for sure.
Yes, that is correct.
Old Mar 28, 2015 | 04:20 PM
  #9  
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From: Austin, TX
Originally Posted by 68442
Yes, that is correct.
My new pump and hydraulics specifically said brake fluid would work but void lifetime warranty.
Tim
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