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1985 Ford F-250 Clutch pedal staying on the floor
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scottyboy1973
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May 30, 2012, 4:01 PM
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1985 Ford F-250 Clutch pedal staying on the floor
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Got ready to drive. Pushed in the clutch and heard a snap. push in the clutch and the pedal is staying on the floor. Have changed the clutch master cylinder and the slave cylinder. Dont Know what else to do. 1985 ford f-250 7.5 liter 460 with about 220000 miles. any help would be greatly appreciated...
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Discretesignals
Ultimate Carjunky
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May 30, 2012, 4:13 PM
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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Clutch fork loose down on the transmission? Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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scottyboy1973
Novice
May 30, 2012, 4:26 PM
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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No its not loose at all..
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Discretesignals
Ultimate Carjunky
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May 30, 2012, 4:33 PM
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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Clutch fork move if you press down on the pedal? Also check the clutch pedal and make sure it moves the master cylinder push rod Did the old master or slave blow out or was low on fluid? Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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scottyboy1973
Novice
May 30, 2012, 4:46 PM
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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Clutch fork is not moving. clutch pedal moves master cylinder push rod, but not the slave cylinder push rod. changed both cylinders trying to fix the problem, but didnt seem to help.
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Discretesignals
Ultimate Carjunky
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May 30, 2012, 4:47 PM
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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Bleeding is a pain on those. Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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scottyboy1973
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May 30, 2012, 5:24 PM
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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I believe I have done the bleeding correctly.
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scottyboy1973
Novice
May 30, 2012, 5:55 PM
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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Do you have any tricks on how to do it right. I dont know much about clutchs...
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Hammer Time
Ultimate Carjunky
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May 30, 2012, 5:59 PM
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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We have pressure bleeders, vacuum bleeders and helpers and I have still spent numerous hours trying to get one of these bled out. Sometimes you can get the air to migrate out the top buy just sitting there and pumping and pumping until your leg feels like it's going to fall off. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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scottyboy1973
Novice
May 30, 2012, 7:02 PM
Post #11 of 20
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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After I bleed the system, Will this solve my problem of the pedal being on the floor. it just seems like something in the pedal assembly is broken.
(This post was edited by scottyboy1973 on May 30, 2012, 7:08 PM)
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Discretesignals
Ultimate Carjunky
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May 31, 2012, 5:01 AM
Post #12 of 20
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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If there is enough air in the hydraulic system, the pedal will go to the floor. Did you bench bleed the master before installing it? Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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scottyboy1973
Novice
May 31, 2012, 5:41 PM
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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I did not bench bleed the master cylinder. Dont know how to do that..
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Discretesignals
Ultimate Carjunky
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May 31, 2012, 7:44 PM
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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You bleed it off the vehicle as you would bench bleeding a brake master cylinder. I've found success by taking the whole system off and getting the slave above the master and bleeding it that way. You want to tilt the master so the air can't be trapped. You need a helper because trying to hold the reservior and all that stuff is almost impossible by yourself. Once you get all the air out, then re-install the whole thing back on the truck as one piece. I don't remember how it is set up on the master, but I remember doing one where I took the piston out of the master after removing a c clip and filled it up that way and then put it back together. Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on May 31, 2012, 7:45 PM)
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scottyboy1973
Novice
May 31, 2012, 7:53 PM
Post #15 of 20
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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I will definately try it. Nothing else seems ty be working. Ill let you know how it comes out...
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Tom Greenleaf
Ultimate Carjunky
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Jun 1, 2012, 2:32 AM
Post #16 of 20
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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Quote from an above post"I did not bench bleed the master cylinder. Don't know how to do that.." Just a note on bench bleeding: Chose a short YouTube that shows the idea. This show is just for a master cyl. but the same idea. If a kit doesn't come with a new master and I save them just make up your own from a piece of line bent to return under fluid back to master, hold master careful choose how to hold it in a vise, push on where pushrod would full strokes and then short strokes noting bubbles with just whatever works to push. I don't own the gadget tool shown and so far haven't needed it but would be easier to push as the pedal's push rod would. This must be done even in cooperative master cylinders whether for brakes or a clutch or you'll do battle forever. With a bleeder on the bottom you are facing trouble out of the gate. Must if off car and like DS's trick - all off vehicle but must restrain the slave from blowing out its push action or piston in that would no doubt just pop out and could wreck it to reassemble? The idea but a bit quick on how this person and hard to see how the master was held but shows the procedure. Hope that's of some help. http://www.youtube.com/watch?v=i3Jhbz4mVKw Tom
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kensoncustom
User
Jun 1, 2012, 9:38 AM
Post #17 of 20
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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might get light look under dash at peddle linkage ,usually snap means something broke,check for firewall separation at master cyl. mounting surface
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Tom Greenleaf
Ultimate Carjunky
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Jun 1, 2012, 9:58 AM
Post #18 of 20
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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Do you have a helper available? That such that you can look while someone else is pushing the pedal and from inside no doubt would need a broom stick such that you could look while it's being pushed. Any parts fall out? T
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Discretesignals
Ultimate Carjunky
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Jun 1, 2012, 6:24 PM
Post #19 of 20
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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Ken has a good point about checking the firewall to make sure it didn't crack. Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Tom Greenleaf
Ultimate Carjunky
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Jun 1, 2012, 11:05 PM
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Re: 1985 Ford F-250 Clutch pedal staying on the floor
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Guess anything has to be ruled in or out. I've seen my share of whacked stuff- doors near fall off, several bumpers fall right off in the road - the HD real ones, not just the plastic crap but so far not a firewall but who the heck knows? I think they should salt roads more so even bridges collapse and do. I want a horse. No, last ride dang thing decided it was the Kentucky Derby and stopped short at a fence and I went right over the fence! That was the LAST ride! Perhaps we need my cat to help check this out - shes' good............ Tom
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