e4od slipping when cold
Thread Starter
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Laughing Gas
Joined: Mar 2011
Posts: 1,229
Likes: 1
e4od slipping when cold
Hi all,
I towed my new travel trailer 400 miles this weekend and had no trouble.
Unhooked the camper, checked the fluid level (it was fine) and the next morning drove to work as usual. It's been getting into the mid-30s here at night.
And my E4OD has now started slipping when it shifts, in every gear, when it's cold (trans operating temperature less than 100 - 115 F).
It accelerates normally, then when it shifts the engine revs up for 1-2 seconds, then the transmission shifts and the engine revs back down again. This happens on
the 1-2 shift and 2-3 shift. I have been compensating by trying to drive it gently (a lot less throttle than usual) when it's cold, but that's often not a realistic thing to do in morning rush traffic.
Once it gets above 115 F or so, it behaves normally. No slipping or engine revving up, smooth shifts, etc.
Again, fluid level is fine. But the slipping seems to be getting worse.
What am I looking at here? Is the trans shot or about to be?
I kind of have in the back of my mind finding a diesel 4R100 and swapping that in, from what I've read it's identical to the E4OD except for two extra sensors, which my truck wouldn't care about anyway. Thoughts?
I towed my new travel trailer 400 miles this weekend and had no trouble.
Unhooked the camper, checked the fluid level (it was fine) and the next morning drove to work as usual. It's been getting into the mid-30s here at night.
And my E4OD has now started slipping when it shifts, in every gear, when it's cold (trans operating temperature less than 100 - 115 F).
It accelerates normally, then when it shifts the engine revs up for 1-2 seconds, then the transmission shifts and the engine revs back down again. This happens on
the 1-2 shift and 2-3 shift. I have been compensating by trying to drive it gently (a lot less throttle than usual) when it's cold, but that's often not a realistic thing to do in morning rush traffic.
Once it gets above 115 F or so, it behaves normally. No slipping or engine revving up, smooth shifts, etc.
Again, fluid level is fine. But the slipping seems to be getting worse.
What am I looking at here? Is the trans shot or about to be?
I kind of have in the back of my mind finding a diesel 4R100 and swapping that in, from what I've read it's identical to the E4OD except for two extra sensors, which my truck wouldn't care about anyway. Thoughts?
Thread Starter
|
Laughing Gas
Joined: Mar 2011
Posts: 1,229
Likes: 1
Just drove it and the problem seems to be fixed. Thank you MPoulson.
My leak seems to be, at least for the moment, fixed as well. We'll see if that lasts. I liberally wrapped some Teflon tape around the bolts whose holes were stripped.
My leak seems to be, at least for the moment, fixed as well. We'll see if that lasts. I liberally wrapped some Teflon tape around the bolts whose holes were stripped.
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Senior User
Joined: Sep 2013
Posts: 276
Likes: 0
From: Orange County NY
Welcome!
The proper fix for stripped bolts like that is, of course, 4 helicoils.
If the Teflon tape is holding, kool. That's what is holding the stripped plastic coolant level sensor in my VW!
The proper fix for stripped bolts like that is, of course, 4 helicoils.
If the Teflon tape is holding, kool. That's what is holding the stripped plastic coolant level sensor in my VW!
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Thread Starter
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Laughing Gas
Joined: Mar 2011
Posts: 1,229
Likes: 1
It's actually not the bolts that are stripped -- they're fine -- but the holes themselves. Several of them had slightly larger-than-standard bolts in them, which I wasn't able to figure out until I realized a third of the holes have been stripped out ... dammit.
If I have to get back in there I'll get some helicoils.
If I have to get back in there I'll get some helicoils.
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