clutch issues
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Cross-Country
Joined: Sep 2007
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clutch issues
Hey guys
I have been trying to help my brother out with his 95 F150. The truck hasn't been driven too much in the past few months but we went to drive it a few weeks ago and the clutch won't engage so you cant put the truck in gear. Has anyone had this problem? The clutch is fairly new so I am just not sure what is going on. Any help or advice is appreciated thanks.
I have been trying to help my brother out with his 95 F150. The truck hasn't been driven too much in the past few months but we went to drive it a few weeks ago and the clutch won't engage so you cant put the truck in gear. Has anyone had this problem? The clutch is fairly new so I am just not sure what is going on. Any help or advice is appreciated thanks.
Senior User
Joined: Jan 2009
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From: Maricopa, AZ
Do you mean that the clutch won't dis-engage? As in - the pedal goes to the floor, and doesn't do anything?
I'm assuming your brothers clutch is hydraulic. If so, I had this happen to me in an 85 F250. The plastic hose that feeds the slave cylinder came to rest on the exhaust manifold and burned a hole in it causing all the fluid to dump out. Check that there is still fluid in the clutch reservoir, and that there is no fluid leaking out.
If this is the behavior you are seeing, and it is not the tubing/line, then you will need to look at either the clutch master cylinder, slave cylinder, or linkage to the pedal.
I'm assuming your brothers clutch is hydraulic. If so, I had this happen to me in an 85 F250. The plastic hose that feeds the slave cylinder came to rest on the exhaust manifold and burned a hole in it causing all the fluid to dump out. Check that there is still fluid in the clutch reservoir, and that there is no fluid leaking out.
If this is the behavior you are seeing, and it is not the tubing/line, then you will need to look at either the clutch master cylinder, slave cylinder, or linkage to the pedal.
Post Fiend
Joined: Jan 2005
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Likes: 10
Do you mean that the clutch won't dis-engage? As in - the pedal goes to the floor, and doesn't do anything?
I'm assuming your brothers clutch is hydraulic. If so, I had this happen to me in an 85 F250. The plastic hose that feeds the slave cylinder came to rest on the exhaust manifold and burned a hole in it causing all the fluid to dump out. Check that there is still fluid in the clutch reservoir, and that there is no fluid leaking out.
If this is the behavior you are seeing, and it is not the tubing/line, then you will need to look at either the clutch master cylinder, slave cylinder, or linkage to the pedal.
I'm assuming your brothers clutch is hydraulic. If so, I had this happen to me in an 85 F250. The plastic hose that feeds the slave cylinder came to rest on the exhaust manifold and burned a hole in it causing all the fluid to dump out. Check that there is still fluid in the clutch reservoir, and that there is no fluid leaking out.
If this is the behavior you are seeing, and it is not the tubing/line, then you will need to look at either the clutch master cylinder, slave cylinder, or linkage to the pedal.
Senior User
Joined: Jan 2009
Posts: 219
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From: Maricopa, AZ
If I remember correctly, when the fluid dumped on me, the pedal still felt fine because of the heavy return spring on the pedal linkage in the cab.
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Cross-Country
Joined: Sep 2007
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You are correct, the pedal is weak- it goes right to the floor - with no pressure on it and it won't do anything - it will just grind if you try to put it in gear. It is a hydraulic clutch, and there is plenty of fluid in the clutch master clinder with no signs of any leaks. Thanks
Senior User
Joined: Jan 2009
Posts: 219
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From: Maricopa, AZ
Ok, here all I can think of as to what it could be...
First the easy ones...
Hole in the hydraulic line. (You've ruled this out, I think.)
Air in the system. (You've got to bleed them like brakes. I'm sure you're aware of that.)
Bad Clutch Master Cylinder Internal Seals. (Possible - Since you say it has been sitting for a while, and it would not show as an obvious leak.)
Pedal Linkage Not Connected/Missing Parts in Cab. (This should be easy to check.)
Slave Cylinder (External) Mounting Parts Broken/Missing. (You should be able to see it move when the pedal is pressed.)
Here are the ugly ones requiring transmission removal...
Throw-out Arm or Ball Stud Broken (External Slave). (All would look normal.)
Bad/Incorrectly Installed Clutch Slave Cylinder (Internal). (It could be leaking fluid in the bell housing.)
Broken Clutch Pressure Plate. (I did this several times as a teenager. -- In a frickin' 6-cylinder Granada of all things. -- It took me a while to learn that dumping the clutch wasn't the smartest thing to do...)
First the easy ones...
Hole in the hydraulic line. (You've ruled this out, I think.)
Air in the system. (You've got to bleed them like brakes. I'm sure you're aware of that.)
Bad Clutch Master Cylinder Internal Seals. (Possible - Since you say it has been sitting for a while, and it would not show as an obvious leak.)
Pedal Linkage Not Connected/Missing Parts in Cab. (This should be easy to check.)
Slave Cylinder (External) Mounting Parts Broken/Missing. (You should be able to see it move when the pedal is pressed.)
Here are the ugly ones requiring transmission removal...
Throw-out Arm or Ball Stud Broken (External Slave). (All would look normal.)
Bad/Incorrectly Installed Clutch Slave Cylinder (Internal). (It could be leaking fluid in the bell housing.)
Broken Clutch Pressure Plate. (I did this several times as a teenager. -- In a frickin' 6-cylinder Granada of all things. -- It took me a while to learn that dumping the clutch wasn't the smartest thing to do...)
Last edited by Beastly; Mar 9, 2009 at 05:55 PM. Reason: Thought of more....
Thread Starter
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Cross-Country
Joined: Sep 2007
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Thanks for the advice, I will be looking into the situation more this week and hopefully find out what the problem actually is.
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From: FLA
Slave Cylinder
I had a 95 with the 302 and the 5 speed. The truck had 70k on it when the internal slave cylinder failed. I replaced everything when I pulled the trans out. The clutch still had a lot of life left but I didn't want to have to pull it again anytime soon.
The best way to get the upper bell housing bolts is with a 3' 3/8" extension with a swivel socket (not a swivel and socket). I invested in both of those tools and it has made my life easier on every trans job.
Good luck I hope it is not the slave cylinder.
The best way to get the upper bell housing bolts is with a 3' 3/8" extension with a swivel socket (not a swivel and socket). I invested in both of those tools and it has made my life easier on every trans job.
Good luck I hope it is not the slave cylinder.
Cross-Country
Joined: Jan 2009
Posts: 57
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I recently had to replace the slave in my '89 F150. It is internal and removal of the tranny was needed. As mentioned, if you have to do so as well, look at all of the parts and replace if necessary. Your problem could only be, again as mentioned the master, slave, line or bad linkage. But I would rule out the linkage. The slave more than likely is the culprit, but since the master has been sitting a while I would drain and refill, or replace. If you replace, you will have new linkage.
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