1990 e4od issues
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Tuned
Joined: Nov 2007
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1990 e4od issues
I have a 1990 superduty truck with a 7.3 that I've been fighting the solenoid pack issue for some time.
But today while driving after leaving a stop light. My truck started making a load squeaking sound under the can with alittle shudder. So I took it easy down the block towards a parts store. I noticed that it was loosing power in 2nd completely too and that reverse is gone. I was able to drive it home though (15 miles) doing highway speed.
What could it be? Torque converter, sticky valves, parking brake on back of tranny?
Ever since I had the truck, it wouldn't downshift on its own and scaning it, it gives the codes for the solenoid being bad.
But today while driving after leaving a stop light. My truck started making a load squeaking sound under the can with alittle shudder. So I took it easy down the block towards a parts store. I noticed that it was loosing power in 2nd completely too and that reverse is gone. I was able to drive it home though (15 miles) doing highway speed.
What could it be? Torque converter, sticky valves, parking brake on back of tranny?
Ever since I had the truck, it wouldn't downshift on its own and scaning it, it gives the codes for the solenoid being bad.
Fleet Owner
Joined: Jul 2006
Posts: 20,322
Likes: 789
From: Mi'kma'ki
uh oh.sounds like the converter is coming undone.the can of marbles sound along with shudder.the bad news is,the shavings from the converter ruins the trans and requires a reman.with no reverse and low gears going,im afraid she's done.
if your going to look for a used trans,remember it's a 4wd version (driveline brake instead of t-case.)
try and source a 95-97 version.they have a lot of upgrades over the '89-94 versions.you'll just need a new 4 stud diesel converter and a new 89-94 solenoid pack to put in it.
if you can find an early trans with a ford reman sticker,these have been updated to '95 spec too.
you'll need your radiators trans cooler flushed and you'll need to throw away your aux cooler and replace it.
if your going to look for a used trans,remember it's a 4wd version (driveline brake instead of t-case.)
try and source a 95-97 version.they have a lot of upgrades over the '89-94 versions.you'll just need a new 4 stud diesel converter and a new 89-94 solenoid pack to put in it.
if you can find an early trans with a ford reman sticker,these have been updated to '95 spec too.
you'll need your radiators trans cooler flushed and you'll need to throw away your aux cooler and replace it.
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