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Transmission or Clutch Issue


cubewhiz

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I've been having some issues lately with the transmission, but I'm not quite sure the exact problem.

A few days ago, I was having trouble shifting into gear so I added some fluid to the master cylinder and that seemed to fix the issue. However, since then, there is a terrible grinding noise that I hear if I push in on the clutch pedal for more than a second or so (in any gear...I don't think it happens in neutral). My guess is that the synchros are shot?

Then just now, I heard a sound outside and it was my truck hitting my fence. Luckily I keep my wheels turned to the side so if my truck rolls it hits the fence instead of flying into the street. In any case, when I park I put it in reverse and it must have somehow released itself. I started the truck back up and parked it again (this time with a wheel chock). I could not force it out of reverse, so I'm not sure how it let go on its own.

I fear the transmission is in need of a rebuild, but maybe some of you have other ideas as to what the problem is.

Thanks!

BTW, it's a M5OD out of a '96 Explorer. It's been in the Ranger for a few years now. The clutch is about 2 years old and is a heavy duty clutch found behind the 4.0L engines instead of the 2.9L engines.
 


Bronco638

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My immediate thought was a clutch issue. But, upon further pondering, adding fluid to the clutch master might indicate that the clutch master is shot and it's by-passing fluid. The grinding noises are certainly indicative of a clutch that's not fully dis-engaged. Just because the clutch is HD doesn't mean it can't wear out, prematurely, because it's possibly been dragging for two years.

I would inspect the clutch hydraulic system for leaks to ensure you're getting the clutch to fully disengage.
 

cubewhiz

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31x10.5R15
I haven't had to add any additional fluid since and I don't see any leaks or wet spots. My original instincts pointed towards a failing slave since that's what happened on my Jeep that caused shifting to become difficult (impossible) a few years back.

Sent from my SGH-M919 using Tapatalk
 

Bronco638

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Don't forget that both the master and slave can by-pass internally. Usually there's some sort of leak to indicate this but not always. If the slave is cheap to swap, you might want to start there.
 

Destroyer000

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id say its the slave cylinder.. grinding noise your hearing might be the throwout bearing... you can get a new slave with throwout bearing for 50 bucks or so.
 

black_demon69

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check fluid level in tranny. other thoughts if replacing slave cyl and throw out bearing you should also just replace pilot bearing, clutch and pressure plate, have flywheel turned or replace and would also (for good measure replace master cyl even if still good). it gets expensive but you don't want to have to pull tranny again anytime soon.....


these are my thoughts and I'm sticking to them:D:D:D:icon_thumby:
 

cubewhiz

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Kearny, NJ
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1989
Make / Model
Ford
Engine Type
2.9 V6
Engine Size
2.9L V6
Transmission
Manual
2WD / 4WD
4WD
Total Lift
1"
Tire Size
31x10.5R15
Yeah, I think you're right about the throwout bearing. I'm hoping it lasts me until the end of next week when I go on summer vacation. If it fails before then, I'm kind of screwed. :\
 

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