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bleeding clutch master & slave cylinder on an '85 F150

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Old 10-18-2004, 05:14 PM
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bleeding clutch master & slave cylinder on an '85 F150

I just blew out my clutch master cylinder in my beater last nite..

any one have any good suggestions on bleeding them and getting the clutch to work right?

Haynes and Chiltons say "they come as a unit, and are pre-bled". Haha nice joke
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Old 10-18-2004, 07:20 PM
TUFFY TUFFY is offline
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mine on my 85 f250 did come as a unit and was pre bled the master cylinder allready had brake fluid in it.
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Old 10-18-2004, 08:29 PM
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Did you get yours from Ford, or someplace like napa?
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Old 10-18-2004, 09:40 PM
BJake86 BJake86 is offline
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Some Are pre-bled. Makes for an easier install.
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Old 10-19-2004, 06:25 AM
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hmm.. I'll have to see if I can find one...

anyways, does any one have tips on how to bleed them?
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Old 10-19-2004, 08:07 AM
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got mine at napa .
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Old 10-19-2004, 09:59 AM
Oscar Meier Oscar Meier is offline
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My '86 has a bleed fitting on the top rear of the slave cylinder. I have not done it; but, it looks like it would be the same as bleeding a brake cylinder.
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Old 10-21-2004, 12:11 PM
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Quote:
Originally Posted by Oscar Meier
My '86 has a bleed fitting on the top rear of the slave cylinder. I have not done it; but, it looks like it would be the same as bleeding a brake cylinder.
my F-250 diesel, an '85, has the same arrangement. I just bled it as you would a brake cylinder (wife in the truck, foot on the clutch when I told her to, etc). Worked like a charm. Even got brake fluid all over my arm -just like when I do the same to the brakes!
(pre-bled. riiight. This one said the same thing. don't believe it. You gotta be under there to put the new parts on, may as well do the entire job)
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Old 10-21-2004, 12:42 PM
jwrboss302 jwrboss302 is offline
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I had the same experience as NightBiker with my 85. Its no big deal to bleed it even if everyone says its prebled.

JWR
85 F250HD 4x4
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Old 10-21-2004, 02:47 PM
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my 85 didnt have a bleeder or atleast i couldnt find it all i did was pump the heck out of it and it got the air out took about a hour to pump it out with the cap on and off and on again checking the fluid often.
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Old 10-21-2004, 04:04 PM
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I can't recall if the original part did or did not have the bleed screw, but the replacement did.
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Old 10-21-2004, 04:22 PM
jwrboss302 jwrboss302 is offline
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Yes the replacement did have the bleed screw and it needed to be bled. I still have my original, I can look if it has the bleed screw.

JWR
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Old 10-21-2004, 08:19 PM
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Quote:
Originally Posted by jwrboss302
Yes the replacement did have the bleed screw and it needed to be bled. I still have my original, I can look if it has the bleed screw.

JWR
Check and see- I'm thinking about only replacing the master, since I think it is bad......
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Old 10-22-2004, 08:03 PM
jwrboss302 jwrboss302 is offline
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Original Slave cylinder has the bleed screw and it appears to be stainless steel. No evidence of rust on it, unlike every other fastener on the truck
JWR
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Old 10-23-2004, 02:54 PM
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Well, I bought a new master & slave at napa, put them on, and I bled them out. It actually wasn't too bad at all. took ~15-20minutes to bleed, and so far, all is well..

btw, I couldn't find any place that sold them as a unit, so I had to beat off the roll pins and swap the hose and what not.. both of the new units are metal, unlike the other ones (which looked like they had been replace b4) which were plastic.. the slave had a nice big brake style bleeder on it too.

and to top it off, my master cylinder no longer squeaks.
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