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post #1 of (permalink) Old 12-05-2002, 12:59 PM Thread Starter
 
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Tranny, or Transfer Case?

Something is wrong with my girlfriends truck.
I got out early today due to the onslaught of snow, to find out that my g/f got stranded. I think she either blew her tranny or transfer case, but im not sure.
the truck is a 4wd 99 Ram 1500 xcab. V8, (forget what it is exactly, but its is smaller than my 5.8) with that 3(?) speed auto w/ OD. She has a NP231 t/c. (i did look at that)

So here's what happened:

She pulled out of her development, and then decided it would have been better to put in in 4wd. Pulls over, puts in in park (oops!) and shifts into 4High. She said it poppped out of 4wd a couple times, and she had to shift it back in. Herard lotsa grinding noises whule shifting, and the truck barely wanted to move. She gave it lotsa gas, but it wouldnt drive, so she pulled off to the side, put it in park, and hopped out. Then the truck started to roll backwards, so she hopped back in and set the parking brake. Called me, and i came down to look at it.
I turned it on, and tried to shift the tranny, but it is 'stuck' in park, thers something jammed, and i cant get it into any other gear.
I can kinda shift the t/c, it doesnt feel quite right, but even when i do, neither the 4wd Hi nor the 4wd Lo lights come on.

My thinking is the t/c blew. this would explain why the truck will roll when in park. But, the tranny still wont shift. Maybe the t/c input is jammed, and this is why the tranny wont shift.
Or, maybe both blew.
Or, maybe the tranny exploded, and thats why it wont shift. But that doesnt explain the t/c issues.

Are you as confused as i am yet? [img]images/graemlins/confused.gif[/img]
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post #2 of (permalink) Old 12-05-2002, 07:00 PM
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Re: Tranny, or Transfer Case?

Maybe she was on dry pavement and the drivetrain is bound up? Did you crawl under the truck and check out the linkages and tranny / t-case mounts?
post #3 of (permalink) Old 12-05-2002, 07:08 PM
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Re: Tranny, or Transfer Case?

kinda clueless but i'll give it a shot....

transfer case is stuck in neutral because of some sort of internal fu**up, and possibly Dodge has the tranny rigged so that you cant shift out of park when the t/c is in neutral, as a safety feature of sorts? whatcha think?
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post #4 of (permalink) Old 12-05-2002, 07:39 PM Thread Starter
 
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Re: Tranny, or Transfer Case?

Hmm, interesting theory Muddy.....


And i suppose i should have said that they hadnt plowed her development yet, so she was in about 2-3" of snow the entire time she was driving it.
She managed to drive a small distance in 4wd (about a block), before it totally died on her. During that block was when 4wd would keep popping out.

I did climb under there to check all the linkages, and they looked ok. I was thinking more about the snow i was laying in, though, so i never thought to check the mounts. Tomorrow i will investigate that. I did notice a teeny fluid leak on the t/c, so ill have to see if it is full of fluid tomorrow. Anyone know offhand how much fluid it takes to fill it? I guess im gonna go try to find a haynes manual on it tomorrow, too.


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post #5 of (permalink) Old 12-08-2002, 05:53 PM Thread Starter
 
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Re: Tranny, or Transfer Case?

Ok, status epdate:

I dropped the transmission pan today. The fluid looked a little dark, but it really wasnt that bad at all. there was very very very fine metallic dust in the bottom of the pan. I disconnected the tranny linkages from the tranny to see if they would work properly (to identify a problem in the column), but they are ok. I then removed both driveshafts, and pulled the transfer case out. The t/c is currently in 4wd High, and functions properly. The problem with the transmission still stands: It is stuck in Park, yet it behaves as if it is in neutral.
Is it possible there is an electronic problem causing the tranny to behave this way, or does it sound like a mechanical issue to you?

(I have been searching for a Haynes Manual for the truck, but so far have been unsuccessful. Theres a couple more stores im going to check tomorrow.)
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