1991 E4OD gets hot, Normal?
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Fleet Mechanic
Joined: Jun 2011
Posts: 1,324
Likes: 3
From: Conway, South Carolina
1991 E4OD gets hot, Normal?
I just rebuilt a E4OD in a 1991 F150 4x4. When driving the truck the transmission gets so hot I cant even hold my hand on the trans pan, is this normal?
I did cut the cooler/heater out of the radiator and added its own separate air cooler (for the trans). I live in Conway, South Carolina so its not cold enough for the heater.
I did cut the cooler/heater out of the radiator and added its own separate air cooler (for the trans). I live in Conway, South Carolina so its not cold enough for the heater.
Lead Driver
Joined: Aug 2006
Posts: 5,670
Likes: 13
From: Sand Lake, MI
Nope that's too hot, are you sure you have good flow out and back from the cooler?
Did you check for codes see if the computer tells you anything.
Hows it shift, does TCC lock up like it should? slipping even though locked?
Did you check for codes see if the computer tells you anything.
Hows it shift, does TCC lock up like it should? slipping even though locked?
Thread Starter
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Fleet Mechanic
Joined: Jun 2011
Posts: 1,324
Likes: 3
From: Conway, South Carolina
But the trans shifts perfect, couldn't ask for it to do any better. The torque converter locks up.
Also drove it again today (yesterday was the first day since rebuilt) and it shifted and operated even better. The trans was still got hot, but when I parked it (after 20min drive) I could hold my hand on the trans pan.
Fleet Owner
Joined: Jul 2006
Posts: 20,399
Likes: 869
From: Mi'kma'ki
the trans section of the radiator isn't a heater,it's a cooler.
you should install a trans temp gauge,and hook the cooler back up.
the flaw with running only a air cooler is that idling,driving slowly below lockup speeds,the trans likely will not cool properly.
you should install a trans temp gauge,and hook the cooler back up.
the flaw with running only a air cooler is that idling,driving slowly below lockup speeds,the trans likely will not cool properly.
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