E40D tranny ?'s
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Tuned
Joined: Nov 2003
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E40D tranny ?'s
As I stated in a earlier post I have a shudder that seems to be coming from tranny at highway speeds when I give it gas it shudders and let off it stops.Going on back roads I noticed when it tried to downshift I felt it too.I did notice that if the truck sits for 8 hours or so then driven for about 25 min it will then start to do this,three days in a row I checked this.I just dropped the pan and replaced the filter and it seemed I took out just over 5 quarts.I had only 4 on hand to replace.It almost seems the fluid is overfilled according to the stick.I always did have trouble telling exactly where the level should be with an automatic tranny.Can I check it cold with the engine off and get a good idea of the level??thanks
Lead Driver
Joined: Sep 2002
Posts: 9,182
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From: Gateway to the West
Originally Posted by okst1
It is very particular about the fluid level.
BTW, checking it cold without the engine running will NOT work. The level in an automatic is almost always checked with the hydraulic pump in the tranny running which requires the engine running.
Last edited by greystreak92; Jun 16, 2006 at 02:21 AM.
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Tuned
Joined: Nov 2003
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Thanks for the info.I will have to go get more on my bike! I was looking again at how much I took out ,minus what went on the floor and it appears close to 6 qts came out of the tranny not 5 qts.I filled up a 5 qt oil jug and then some.What's up with that?Could someone have overfilled this at one time.Previous owner said he had serviced it himself at some point.My owners manual says if it is between the two dots cold it is ok and that is about where I'm at now when I checked it cold.
I started this because of the shudder I started to feel a few days ago after the truck is warmed up and driven for about 25 min.Someone suggested it could be the torque converter going?Should I bother going to get the whole tranny flushed.Fluid was on the dark side and still a dark red tint to it but not burnt like I have seen on other vehicles that had a tranny burn up?Will a good tranny shop be able to determine if it indeed is just the converter going bad and is it wise just to replace it alone.?thanks
I started this because of the shudder I started to feel a few days ago after the truck is warmed up and driven for about 25 min.Someone suggested it could be the torque converter going?Should I bother going to get the whole tranny flushed.Fluid was on the dark side and still a dark red tint to it but not burnt like I have seen on other vehicles that had a tranny burn up?Will a good tranny shop be able to determine if it indeed is just the converter going bad and is it wise just to replace it alone.?thanks
Junior User
Joined: Jan 2005
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Hey, I had that vibration at highway speeds too, I would be on the gas and it would shake then as soon as i let off the gas it would go away but i was going the same speed.. Turns out i had a busted U-Joint and my rear end was going out.. i replaced the U-Joint but it was to late for my rear end. I litteraly had my locker blow up into pieces and on my diff cover you could see dents coming out of it. It ripped the carrier bearing out of its place still attached and both of my axels slid out while I was driving because the big pin holding those in broke in half.
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Fleet Mechanic
Joined: Mar 2005
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From: St Louis
I was going to say the same thing about the shudder being the U-joint. He described it almost perfectly. But found out the hard way when someone decided to drop it in low and give it as much gas as the truck would take. Great sound when you hear the drive shaft break the ujoint yoke at the differential and then clanging off the muffler and underside of the truck. If the U-joint doesnt fix the shudder you may have to rebuild the rear end as well.
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Tuned
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The problem is not all the time.The last u-joint I had go bad vibrated everytime I would give gas then stop when let off. This problem is not just at highway speed I noticed now and only happens when it wants to shift.thanks
Lead Driver
Joined: Sep 2002
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From: Gateway to the West
There are a few more things than just U-joints to go south back there. The centering ball and spring assembly in the double cardon u-joint at the front of the rear driveshaft can exhibit similar symptoms mentioned as they wear. The pinion nut on the rear differential flange can work loose, the slipshaft can get loose, dry or worn (this usually is accompanied by a clunk or series of clunks when starting from dead stop though).
If you aren't sure whether its the tranny or something "later" in the rear driveline, you can check things. Its a bit extreme but you can drop the rear driveshaft and run the truck in 4HI to see if the symptoms change. Make sure you mark the DS and the flanges that it bolts to so you can be certain it gets installed in the same position as it had been before the removal. If the symptoms go away, the problem is most likely not the transmission.
If you aren't sure whether its the tranny or something "later" in the rear driveline, you can check things. Its a bit extreme but you can drop the rear driveshaft and run the truck in 4HI to see if the symptoms change. Make sure you mark the DS and the flanges that it bolts to so you can be certain it gets installed in the same position as it had been before the removal. If the symptoms go away, the problem is most likely not the transmission.
Last edited by greystreak92; Jun 19, 2006 at 11:06 PM.
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