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Dodge Ram Transmission Problems

1282 messages,  Last post on Nov 29, 2009 at 2:36 PM

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What is this discussion about? Dodge Ram Pickup 1500, Dodge Ram Pickup 2500, Dodge Ram Pickup 3500, Transmission, Truck

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#210 of 1282 RE: TORQUE CONVERTER TEMP by dodge5ther Aug 21, 2007 (8:39 pm)
Thanks dusty. I am going to install a larger pan. The ATS looks nice but themag-hytec looks like it has more cooling fins. I like ATS cooling system but Derale also has one. Any comments? I am going to change the fluid when I change the pan
#211 of 1282 trans trouble by ksey Aug 23, 2007 (4:28 am)
46re I have no gov. pressure or front servo presure.cheched valve boby it all looks good took tran apart can't fine anything wrong.dose the valve boby in let for the gov got to be drill the hole is 2/3 open. DUSTY PLEASE HELP. I HAVE DONE EVERY THING I KNOW Replies to this message: dustyk (Aug 23, 2007 4:38 pm) ksey (Aug 24, 2007 4:21 am) dustyk (Aug 24, 2007 4:40 am) and 2 more...
#212 of 1282 2nd gear start at operating temp by wolfer3 Aug 23, 2007 (2:00 pm)
Hi,    I have a 2001 1500 with a 46re transmission that works fine when "cold". After about 6 miles it won't downshift into first gear when I stop. All other shifts go smooth and it will go into first if I manually shift to low. The governor pressure at 0 mph in drive is 0 psi when cold and goes to 7 psi when warmed up and malfunctioning. Governor pressure sensor signal (b29 on pcm)when cold was .37 volts. Ground control to governor pressure solenoid (b8 on pcm) when cold was 9.27 volts. All these test were in drive at 0 mph. The pressure dropped back to 0 psi if reverse or park was selected. When put back in drive, 2, or 1 the pressure goes back up IF the transmission is warm. The only reference voltages I have are for a 42re so if anyone can help me out with the voltages from the pcm to transmission for a 46re it would be greatly appreciated or of course anyone who knows what the problem is please feel free to jump in.   Thanks, Wolfer Replies to this message: dustyk (Aug 23, 2007 4:57 pm) wolfer3 (Aug 26, 2007 12:26 pm) wolfer3 (Oct 20, 2007 6:04 am)
#213 of 1282 Re: trans trouble [ksey] by dustyk Aug 23, 2007 (4:38 pm)
Replying to: ksey (Aug 23, 2007 4:28 am) How are you taking measurements?   What is the line pressure?   What have you done so far?   What was the original symptom/problem?   Regards, Dusty Replies to this message: ksey (Aug 24, 2007 4:21 am) dustyk (Aug 24, 2007 4:40 am) ksey (Aug 24, 2007 10:37 am) and 1 more...
#214 of 1282 Re: 2nd gear start at operating temp [wolfer3] by dustyk Aug 23, 2007 (4:57 pm)
Replying to: wolfer3 (Aug 23, 2007 2:00 pm) In Drive the governor pressure should be anywhere from 0 to +50 PSI. It would be nice to know what the line pressure is and how many miles on the vehicle.   Possible causes could be:   *1-2 Shift Valve binding or stuck (worn bore)   *Shuttle Valve binding or stuck (worn bore)   *Limit Valve or Limit Valve Cover leaking   *2-3 Throttle Plug leaking   *Worn bore at 2-3 Shift Valve   *Defective shift solenoids   *Test all circuits to the shift pack   *Valve body clogged   *Warped valve body   *Leaky governor plugs or governor plug cover.   Bests, Dusty Replies to this message: wolfer3 (Aug 26, 2007 12:26 pm) wolfer3 (Oct 20, 2007 6:04 am)
#215 of 1282 Re: trans trouble [dustyk] by ksey Aug 24, 2007 (4:21 am)
Replying to: dustyk (Aug 23, 2007 4:38 pm) The trans wouldn't pull went it shift to 2nd the trans was shot .I rebuild it put new troque converter,pump,thrust washer,new sensors,any thing I saw bad. Be though it 3 times can't fine anything .I check the pressure at the accumulator and got 58lbs push the tv lever back and got 98lb so I checked the front servo and 0lbs.Then I checked the governor and 0lbs I pull the valve boby out and cheched all the valve they all work good.Isee the hole that feeds the governor is only 2/3 open dose it have to drill out.I all so chech the pcm and the volt and trans relay I can't fine anything please help me I can't fine anyboby than will told you anything. Thanks Dusty for any help you can give me Replies to this message: dustyk (Aug 24, 2007 4:40 am) ksey (Aug 24, 2007 10:37 am) ksey (Aug 27, 2007 1:28 pm)
#216 of 1282 Re: trans trouble [ksey] by dustyk Aug 24, 2007 (4:40 am)
Replying to: ksey (Aug 24, 2007 4:21 am) Are you referring to the port on the Throttle Body that feeds the governor circuit? Are you saying that it's partially blocked?   If you are absolutely sure that you got everything back together correctly, I'm now suspicious that you have an electrical problem or a defective PCM or TCM.   *Make sure all of the valves are installed correctly.   *There are seven check balls in the upper throttle body housing, one of them is considerably larger. Are they installed and installed correctly.   *There is a 3/16 check ball in the lower housing. Measure it. You may have switched it with the one large ball from the upper housing.   *Did you reuse the old separator plate?   Did you have a service manual or some instructions when you tore the throttlebody apart?   Regards, Dusty Replies to this message: ksey (Aug 24, 2007 10:37 am) ksey (Aug 27, 2007 1:28 pm)
#217 of 1282 Re: trans trouble [dustyk] by ksey Aug 24, 2007 (10:37 am)
Replying to: dustyk (Aug 24, 2007 4:40 am) I had a guy that rebuild trans for a living help me all the ball are in the right place all the valve look and work good we can't fine anything wrong we all so check the computer we can't anything and I'm not getting any codes the dealer don't know thanks. the hold is a feeder for the governor it 2/3 open it part of the casting. Replies to this message: ksey (Aug 27, 2007 1:28 pm)
#218 of 1282 Re: ram 1500 transmission line pressure [rollerdoo] by surfer5274 Aug 25, 2007 (10:45 am)
Replying to: rollerdoo (Aug 26, 2006 9:57 am) There is a way to increase line pressure, but depending on your model year there is a possibility that it will set a code in the computer for "line pressure too high." As far as the rpm flux, there is a software update that can be obtained at the dealer. They also have an issue with rapid torque converter engaging and disengaging. this is usually between 45 and 50 mph with a light load (either going up a slight incline or towing a light load.) The most critical thing about these tranny's is the FLUID! You must use type 7176 ATF+3 or +4. Dexron/Mercon and Type F fluids will eat the clutch material and the converter clutch material. And because it has a different viscosity than the other fluids, it messes with the calibration of the sensors. Has anyone ever had to replace the governor pressure sensor or pressure solenoid? If so, I imagine you were probably using the wrong fluid. And that's easily done if you don't either do it yourself or if you don't take it to the dealer. Most after-market shops will use Dexron/Mercon or Type F.   I work at an Atlanta area Chrysler, Jeep, Dodge dealer. And oh yeah, I've been rebuilding their transmissions for the last 10 years. Chrysler trannys have been very, very good to me!   Eric
#219 of 1282 1995 ram trans noise by joeycordoba Aug 25, 2007 (3:22 pm)
the other day my 95 2500 4x4 stopped moving just as i pulled in my drive. like it was in nutrual. if i put it in 1st it moved, reverse ok. fluid looked ok a little dark but there was smoke coming out of the dip stick! next day i drove it around the yard everything was ok, half mile down the road a whining noise started, then a growl, then screeching, then wheels started locking up. i let off the gas all got quiet. turned around and had to rev to 3000 rpm to get to move than it slammed into gear. i made it home but very slow. the fluid does not smell burnt. is my trans toast? friend said it could be transfer case?

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