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97 Dodge Ram 1500 transmission slipping

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  #1  
Old 08-05-2013, 08:28 PM
wldcat1969 wldcat1969 is offline
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Default 97 Dodge Ram 1500 transmission slipping

I have a 97 Ram 1500 with a 5.2L V8 and the 46RE automatic transmission.

Recently the transmission started acting up and I just want to see if people agree with my possible diagnosis before I pull it apart (not looking forward to that).

When I come to a stop then start up again, it acts just like a manual transmission where the clutch slips. I hear the engine rev up but the transmission is not engaged. Then after reaching a certain RPM it will engage and take off. And it's just like I popped the clutch, it jolts hard and sometimes even squeals the tires. Additionally, when going down a steep hill the transmission will seemingly shift down then back up causing the truck to almost pulse down the hill if I'm off the gas. Sometimes if I give it gas and rev the RPMs back up it seems to be alright.

The check engine light is not on and I changed the output speed sensor a few months ago when it was having slipping problems but that fixed the problem at the time. I don't think it's that sensor because the light is not back on and the problems are not quite the same.

My best guess is to change the governor pressure sensor and solenoid. I did check the fluid levels and they were good, but I did it in park so I'll try it again in neutral tonight and see if that makes a difference.

Anyone agree or disagree with this? I'm hoping it's something simple and not going to cost me a ton of $. I am in the military and can take it to the auto shop where I can do it myself so hopefully it's something I can do myself.
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  #2  
Old 08-05-2013, 08:40 PM
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first thing I would do as its simple and easy, check the TV cable on the throttle body, and adjust if there seems to be slack.. its better to have someone with you and check both, the lever at the transmission and the throttle body lever and make sure they move simultaneously. iirc there should only be 1/32" difference between the two.
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Last edited by xplorer82; 08-05-2013 at 08:42 PM..
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Old 08-05-2013, 08:47 PM
wldcat1969 wldcat1969 is offline
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I should also add that it only does this after it's warmed up/hot. If the truck has been sitting for a day the transmission is fine for the first 10 minutes or so.
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Old 08-05-2013, 08:48 PM
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I can agree with the TV adjustment, however the governor pressure solenoid is a problematic piece too, prone to dumping out under high line pressure. The Borg Warner HD unit works very well:

http://www.doghousediesel.com/catalog/i307.html
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Old 08-06-2013, 11:39 AM
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You might also try adjusting the bands. Get a Haynes manual and see if you have the correct tools to perform the procedure. You'll need to remove the pan for one of them. This will also give you the opportunity to see what is in the pan. Install a drain plug while the pan is off also.
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Last edited by zman17; 08-06-2013 at 11:41 AM..
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Old 08-11-2013, 11:08 PM
wldcat1969 wldcat1969 is offline
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Haven't been able to get under the truck because it rained most of the weekend. This afternoon I decided to check out the throttle valve cable but I'm not sure I completely understand what I should be doing.

According to the manual it says the cable end and attachment stud should be aligned to within 1mm in either direction. But I'm not sure which pieces should be aligned where. Is the attachment stud the piece on the lower right part of the throttle body lever? As you can see in this picture, there is a LOT of slack in the cable (both the short piece and the longer piece) but I don't know if that's normal.

Could this be causing my problems, and if so, how to do this adjustment? And specifically, since this only happens once the engine/transmission is warmed up, could the issue be this adjustment?

Thanks for any help! Here is a pic but there are more angles of the same thing if you view the album. If the image doesn't work just go to my Picasa Album here (https://picasaweb.google.com/karl.p....eat=directlink).

Click the image to open in full size.

Last edited by wldcat1969; 08-11-2013 at 11:23 PM..
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Old 08-11-2013, 11:19 PM
wldcat1969 wldcat1969 is offline
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I may have figured it out somewhat. See this picture (also in the album linked above). Is this what I adjust? And if so, then the slack currently in the line really doesn't matter?

Click the image to open in full size.

Last edited by wldcat1969; 08-12-2013 at 12:17 AM..
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Old 08-12-2013, 12:46 AM
dodge dude94 dodge dude94 is offline
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You see that little box behind where you have the arrow?
There is a little white clip in it, you need to remove that guy and it will allow you to move the cable back and forth in that housing.
Only move the cable 1/8th to 1/4 of an inch. Then put the clip back in.
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Old 08-12-2013, 06:52 PM
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http://dodgeforum.com/forum/2nd-gen-...-in-trans.html
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Old 08-14-2013, 01:34 AM
wldcat1969 wldcat1969 is offline
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Ok, I had a chance to check the TV cable today and I think it's good. I took a picture and as you can see, the center line seems to be lined up with the stud (no slack in the line but wasn't pulling either). Got the Borg Warner HD governor sensor and solenoid from Doghouse in the mail yesterday (thanks for the link Paul) so Saturday I will change those out (and the filter while I'm there). Never done it before but it seems pretty simple so I'll give it a shot

Here is the TV cable: Click the image to open in full size.
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Old 08-14-2013, 08:58 AM
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pic won't load for me... might just be my crappy internet connection.....
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Old 08-14-2013, 09:04 AM
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Old 08-14-2013, 09:10 AM
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Good Deal Stewie.

That looks just about perfect.
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Old 08-17-2013, 07:04 PM
wldcat1969 wldcat1969 is offline
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Ok, yesterday I put in the new governor pressure sensor and solenoid and changed the transmission fluid/filter. The truck definitely shifts better now but it's still not back to normal. After driving for 10 minutes or so it will still act like I'm popping the clutch when starting from a stop. So it will slightly rev up for a second then jump forward as it catches. Shifting between other gears seems normal but the one from a stop still is acting weird.

Then just to make it even more confusing, after I got home yesterday I parked it, put it in neutral and topped off the fluids. Then I took it right back out (I put a little bit of Lucas Oil in there so I wanted to mix it up) and it shifted just fine. Never shut it off so it was still hot but shifted just fine. So I decided to check 1st and 2nd. Put it down into 2nd to start and it did the same popping the clutch thing. Put it back in drive and it was back to popping the clutch. So just for the heck of it, trying to "clear" it somehow, I put it in neutral for a second, then reverse and backed up a couple of feet. Then back to drive and viola, it shifted just fine. I didn't try putting it back into 2nd. So I'm kind of lost now. Maybe it is a mechanical issue? I didn't clean the throttle cable assembly on the engine but it didn't look too dirty and seemed to move just fine. I checked the other end on the transmission and the spring is still there and it seemed to move without any issue either. It is kind of oily because I think it was leaking transmission fluid before I changed it but it still moved just fine.

Any other ideas? I'm trying to sell the truck but I can't in good conscience let someone buy it if I know there is an issue.
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Old 08-18-2013, 11:16 AM
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Try adjusting the bands yet ? And you are checking fluid level in neutral right ?
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Old 08-18-2013, 09:33 PM
wldcat1969 wldcat1969 is offline
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Quote:
Originally Posted by zman17 View Post
Try adjusting the bands yet ? And you are checking fluid level in neutral right ?
Yeah, I wondered about the bands too. I looked at them but to be honest wasn't sure how they were supposed to look. I noticed that one didn't look exactly like the other but not sure if that was normal. Here is a pic of them but I'm not sure if you can tell anything from the picture. Hopefully they don't need to be adjusted because I really don't want to take the pan back off again

And yes, was checking in neutral.

Here are the bands:
Click the image to open in full size.

Click the image to open in full size.
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File Type: jpg IMG_0029_zpsb7a5aa80.jpg (94.9 KB, 51 views)
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Old 08-19-2013, 01:38 PM
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You cant tell by looking at them. You have to adjust them. And this time when the pan is off, install a drain plug.
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Old 09-05-2013, 09:23 PM
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Default is my tranny slipping?

Hey guys, im new to the forum. I came here looking for some answers, so hopefully I can find them here!

The other day I drove my truck to work, and to lunch and back with no issues at all. Then when I go to head home, I put my truck in reverse to back out of the stall, and it made a pretty loud clunking noise, then would not move if i pushed on the accelerator. I put it into drive and I could move, put it back into R, and same thing. I was able to drive it home as long as I didnt have to put it into R. So the only area Im having the problem is in reverse.

I had a buddy who told me it was most likely my reverse gear was toast, or an unlikely chance, that it may be my linkage? any thoughts? thanks in advance.
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Old 09-05-2013, 09:23 PM
 
 
 
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