Trans Slipping-Bad Torque Converter?
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Trailering
Joined: Aug 2022
Posts: 16
Likes: 3
Trans Slipping-Bad Torque Converter?
Felt this coming on for a few days now. Truck seems to be slipping when shifting into drive. Park, neutral, and reverse are all there and sometimes drive. When it does catch drive it seems like it doesn’t want to. RPMs go up higher than usual and it doesn’t want to go anywhere, until she gets going, then it’ll drive. If I give it gas, try to kick it down, again, doesn’t want to catch. Likes to bang into gear also, but I’ve become used to that.
So, my question is, where do I begin troubleshooting? It’s a 1991 F150 4.9L E4OD.
So, my question is, where do I begin troubleshooting? It’s a 1991 F150 4.9L E4OD.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,717
Likes: 2,643
From: SE Florida
You start by reading the codes. Here is how: www.troublecodes.net/ford
It can't be the torque converter. The torque converter doesn't know if the trans is in drive or reverse, so how would it work in reverse but not in drive? The answer is that it is impossible to be the torque converter. My SWAG is that you have a failing forward clutch.
It can't be the torque converter. The torque converter doesn't know if the trans is in drive or reverse, so how would it work in reverse but not in drive? The answer is that it is impossible to be the torque converter. My SWAG is that you have a failing forward clutch.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,717
Likes: 2,643
From: SE Florida
What does the trans fluid look and smell like? Red, brown, black? Does it have a burnt odor?
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Trailering
Joined: Aug 2022
Posts: 16
Likes: 3
Hahaa, right?? Forward is park, reverse is neutral... Still no forward..
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