Transmission Issues?
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Posting Guru
Joined: Apr 2012
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From: Menifee, CA
Transmission Issues?
1994 F350 7.5 with an E4OD. I'm currently having some issues, at around 35 mph and 55 mph the transmission seems to hiccup.
Also, intermittently the drivetrain makes a groaning sound, sort of like "errrrrrr".
I'm guessing that the hiccupping is caused by the bands starting to slip in the transmission, and that the groaning sound is possibly the torque converter having issues. Any suggestions on what to possibly look for before I pull the tranny out?
Also, intermittently the drivetrain makes a groaning sound, sort of like "errrrrrr".
I'm guessing that the hiccupping is caused by the bands starting to slip in the transmission, and that the groaning sound is possibly the torque converter having issues. Any suggestions on what to possibly look for before I pull the tranny out?
Elder User
Joined: Jun 2013
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From: SoCal 909
My truck did something similar as far as the random shifting. I was going to the beach over the weekend, and about an hour into the drive with warm/hot weather, the trans(E4OD) downshifted on it its on then right back into OD on the freeway doing normal speed. First time its done that. then about 20 mins later it started to act a little funny like hard shifts and random shifts, shut her off and ate and didn't come back. Also in stop and go it likes to bang into 2nd sometimes. Usually always when warmed up.
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Posting Guru
Joined: Apr 2012
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From: Menifee, CA
Exactly Blaine! Only when warmed up. It didn't do it yesterday till I had driven an easy 35 miles
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Elder User
Joined: Jun 2013
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From: SoCal 909
These things and heat. I've been looking online various places about a larger cooler for it to replace the stock cooler.
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Thread Starter
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Posting Guru
Joined: Apr 2012
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From: Menifee, CA
Heat definitely doesn't help. However I'm not sure if my transmission at just over 200k has ever been rebuilt.
Elder User
Joined: Jun 2013
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From: SoCal 909
I'm at 107,000 but when I bought it at 92,000 it would do the same thing. Stop and go traffic is the worst. Slow driving from stops BANG into 2nd then stop and a smooth shift in 2nd then a hard one. I never under stand these things.
New User
Joined: Jan 2015
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So im not the only one with the banging into second gear issue it does it real bad when im on ice and i have to give it some gas to get off the ice i have the E4OD as well,i just have a little i-6 in my truck though.
Frmr Ford Trans Engr
Joined: Aug 1999
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From: SE Florida
That's a symptom of a failing MLPS. I recommend replacing it.
Elder User
Joined: Jun 2013
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From: SoCal 909
Just did it once and then it kinda gear hunted. Again only when engine has been on for a while and hot outside. Just did it that one time. Whole hour ride home at night was perfect shifts.