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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

m5od bad leak

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Old Sep 11, 2018 | 08:28 PM
  #16  
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Looking at pics of my m5od when I had the top cover off, and I cant see the full plug from the inside. How many quarts did you put in yours to bring it to full? It sounds like its overfilled and puking out.
Even though you cant see fluid in the pic, it is full to the fill hole on the side of the trans.


 
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Old Sep 11, 2018 | 08:32 PM
  #17  
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It took 2 qts. I was pretty sure at the time that I was looking at the inside of the fill plug. Maybe I'll pull the top cover again and double check. I still have the floor plate off so won't take much to do that.
 
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Old Sep 11, 2018 | 10:18 PM
  #18  
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You don't need to pull the cover, just check the fill plug.
 
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Old Sep 11, 2018 | 10:35 PM
  #19  
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That's a good point. I think I'll pull the cover anyway because I'm curious to see where the fluid level is. also,vi posted on the f150 forum and one reply I got made me wonder if I filled it too much because I was looking at the wrong plug.
 
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Old Sep 12, 2018 | 11:19 AM
  #20  
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Yeah man, just put a pan under it and pull the fill plug on the side. If it's over full it will drain down to the right point.
 
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Old Sep 15, 2018 | 01:31 PM
  #21  
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Originally Posted by Mudsport96
Yeah man, just put a pan under it and pull the fill plug on the side. If it's over full it will drain down to the right point.
I took the fill plug out and nothing came out, so confirmed my hunch that I didn't over fill it.
 
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Old Sep 15, 2018 | 01:32 PM
  #22  
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Originally Posted by Mudsport96
Looking at pics of my m5od when I had the top cover off, and I cant see the full plug from the inside. How many quarts did you put in yours to bring it to full? It sounds like its overfilled and puking out.
Even though you cant see fluid in the pic, it is full to the fill hole on the side of the trans.

I can see why you say that. Looking at the photo I can't see it either. But I'm pretty certain you can see it from the right angle with the cover off.
 
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Old Sep 15, 2018 | 01:36 PM
  #23  
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I decided to take a few days off from the project so I could come back at it with fresh eyes. Doesn't often fail to find what I couldn't see before.
And in this case it was a major DUH! Looking over the leak area I saw that the tail housing is missing 3 of 8 bolts that attach it to the transmission. 2 were on the very top and one mid-way down the drivers side. I'm going the hardware store today to find some replacement bolts. There's a big "8" stamped in to the top of the bolt which I assume means it's a grade 8 bolt. Anybody know what the torque spec for these bolts?
 
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Old Sep 15, 2018 | 01:37 PM
  #24  
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I don't know what is on the bolt down area but you should only need the rubber gasket that is in the cover.
 
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Old Sep 15, 2018 | 01:40 PM
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sorry...I meant to say that the missing bolts are from where the tail housing meets the transmission...not the top cover. That part is looking ship shape now.
 
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Old Sep 15, 2018 | 01:42 PM
  #26  
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Originally Posted by weekendfarmer
sorry...I meant to say that the missing bolts are from where the tail housing meets the transmission...not the top cover. That part is looking ship shape now.
Nothing goes on the transmission cover area except the rubber gasket..
 
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