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98 dodge Ram 1500 4wd Bad trans or transfer case ?
08-07-2017, 02:23 PM
Post: #1
98 dodge Ram 1500 4wd Bad trans or transfer case ?
Have 98 dodge ram 1500 4wd with a 5.9 engine. Trans. worked perfect. No forward or reverse .Loud whinning noise when in forward or reverse. No movement. No noise in neutral or park. Can feel clutches applying in forward and reverse.pan clean with nothing on magnet. Oil red like new. Could it be transfer case not trans? Any help what to look for?
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08-07-2017, 09:00 PM
Post: #2
RE: 98 dodge Ram 1500 4wd Bad trans or transfer case ?
Some less expensive things to check for first... May sound stupid but I have found this more than once. Is the transfer case in Neutral? Really cheap fix... put it in gear. Wink If that isn't it, check the drive shafts. Make sure that they are both there and properly attached. If they are there and attached, have a helper look underneath when you put it in gear. If a drive shaft turns it is likely a broken axle or differential.

That transmission was prone to breaking the driving shell so it could be the transmission. When the shell breaks it usually doesn't leave any debris in the pan and the fluid doesn't burn. So if everything else checks out, it's probably the transmission. Make sure you are checking the fluid properly in that transmission. I'm pretty sure that one checks in Neutral, not Park. And it DOES matter! You could be several quarts low if you aren't checking it properly!

Please let us know what you find!

Thanks for using the forum,
Garner

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08-08-2017, 09:46 PM (This post was last modified: 08-08-2017 09:49 PM by ofert.)
Post: #3
RE: 98 dodge Ram 1500 4wd Bad trans or transfer case ?
(08-07-2017 09:00 PM)Garner Wrote:  Some less expensive things to check for first... May sound stupid but I have found this more than once. Is the transfer case in Neutral? Really cheap fix... put it in gear. Wink If that isn't it, check the drive shafts. Make sure that they are both there and properly attached. If they are there and attached, have a helper look underneath when you put it in gear. If a drive shaft turns it is likely a broken axle or differential.

That transmission was prone to breaking the driving shell so it could be the transmission. When the shell breaks it usually doesn't leave any debris in the pan and the fluid doesn't burn. So if everything else checks out, it's probably the transmission. Make sure you are checking the fluid properly in that transmission. I'm pretty sure that one checks in Neutral, not Park. And it DOES matter! You could be several quarts low if you aren't checking it properly!

Please let us know what you find!

Thanks for your reply. Is the driving shell in the trans or in the overdrive unit?
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08-09-2017, 06:41 AM
Post: #4
RE: 98 dodge Ram 1500 4wd Bad trans or transfer case ?
The driving shell is in the transmission, but so is the overdrive. So I'm not sure what you are looking for? Sometimes I'm a little slow if I don't have a lot of information. If you have more specific information on what you are trying to figure out, hit me up again and I'll try to be more helpful.

Please keep us posted on what you find.

Thanks for using the forum,
Garner

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08-09-2017, 09:10 AM (This post was last modified: 08-09-2017 09:17 AM by Rupe.)
Post: #5
RE: 98 dodge Ram 1500 4wd Bad trans or transfer case ?
I see the confusion with terminology here...

ofert said: "Is the driving shell in the trans or in the overdrive unit?" I take that to mean "out-drive unit" which is the transfer case.

Garner said: "The driving shell is in the transmission, but so is the overdrive." meaning "high gear" inside the transmission case.

To put pictures into words, imagine a series of cup or bell shaped objects inside your transmission. Each one is filled up with small clutch packs or gears and has a hole in the center for the trans main shaft to go through, finally driving the output shaft via a spline welded to the flat end of each cup. (driving shell) When one of the shells gets a crack it breaks clean so the outside can now rotate independently of the center section grasping the main shaft. The best analogy I can think of is if you ever picked up an old clay flower pot and the bottom fell out. Since it happens all at once there's almost no debris to speak of showing in the pan. This would require a full teardown of the trans to find the exact location of the broken part.

As for a better diagnosis after the trans pan is down... start disconnecting things. With drive shafts out turn each dif yoke to see if they move freely and the wheels turn. Once the transfer case is off you can spin that by hand to check operation in each range. You can also look at the oil that is drained from the TC to get a feel for wear or stray parts that may flow out with the old oil.

Good luck and keep us posted.
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08-14-2017, 06:00 AM
Post: #6
RE: 98 dodge Ram 1500 4wd Bad trans or transfer case ?
So do we have any new information on this vehicle? Curious to know what you found!

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Garner

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08-29-2017, 05:01 AM
Post: #7
RE: 98 dodge Ram 1500 4wd Bad trans or transfer case ?
I'm curious as well. I've seen torque converter failure several times which resulted to no forward and reverse.
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