Bad torque converter?
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Bad torque converter?
So i recently bought a 1996 4.9 4wd truck with only about 88,000 miles. When first driving it i didnt really notice a thing. A few days later i started to feel a "kick" and some vibrating noise when accelerating from first to second. The truck has the e40D transmission. I decided to do a transmission oil change and to my luck i the oil pan and magnet were pretty much free of any metal shavings. The magnet did have a good amount of sludge but i know thats normal. The transfer case barely had a quart of oil and was extremely burnt. I also drained out the torque converter. So after doing the maintenance, the vibrating noise is still there. I went through all the sensors and found many of them pretty dirty so i cleaned them (just for now) and the kicking seem to stop. The noise though is still there, any suggestions of what it could be?
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Thank you both for your response by the way! And I will check it out right now but also yesterday I stepped on it pretty hard going about 20 and it reved up and the vibrating intensified all the way to 35
Frmr Ford Trans Engr
Joined: Aug 1999
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From: SE Florida
That's another reason to suspect a bad u-joint.
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I'm already checking it out but what do you all think my truck has that little delay? When shifting from reverse to drive? And that little jump when I put it to 1st?
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Laughing Gas
Joined: Oct 2014
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From: Washington
My '95 does that too, and the transmission was rebuilt in September. My old '69 F250 with a C6 did it as well; before and after I rebuilt it. In fact I'm pretty sure every heavy duty automatic truck I've driven has done that.
Logistics Pro
Joined: Mar 2005
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From: Mexico, Missouri
As others have stated, that sounds like a bad u-joints or both u-joints.
Mileage is low, but internally, they can be bad.
I had the exact same problem when I bought my '95, 302, Eddie Bauer 4wd. I asked the owner and he said the rear joint was bad...And it was BAD. It kicked and bucked. I made him sign a paper stating that if it didn't make it back to my residence due to the damaged u-joint, he would hand me the money back and he could haul it away at his expense. I had to drive 85 miles with hills and interstate. Luckily I had a friend that drove his truck in case I encountered problems.
New Moog u-joints are like $30 for both.
Mileage is low, but internally, they can be bad.
I had the exact same problem when I bought my '95, 302, Eddie Bauer 4wd. I asked the owner and he said the rear joint was bad...And it was BAD. It kicked and bucked. I made him sign a paper stating that if it didn't make it back to my residence due to the damaged u-joint, he would hand me the money back and he could haul it away at his expense. I had to drive 85 miles with hills and interstate. Luckily I had a friend that drove his truck in case I encountered problems.
New Moog u-joints are like $30 for both.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,739
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From: SE Florida
Those are characteristics of the E4OD transmission.
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