Transmission Service Comments

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Different Drummer

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didn't even think to look for a 18 x 1.5 mm barbed fitting, but the dorman plug I drilled and tapped was only 2.00 and I had the fitting on hand. Being a tightass I went that way. If one had to buy the fittings it would make the e-bay offerings more attractive.;) Another way I've thought of is for those with the PPE pans, to use the 1/8 NPT temp probe opening with a fitting, standpipe (1/8" NPT ?), barbed fitting on the top of the stand pipe and pressurized pump (garden sprayer).

Fill the pan using the circle jerk method. Put the fill plug back in.
Start motor and perform the pick your nose scratch your butt smell your finger routine until temp is reached.
Bur arms and remove Plug, fill until fluid comes out. Reinstall fill plug burning arms / hands again. Remove barb fitting from standoff pipe and cap with 1/8 NPT cap.
This would save about 1/2 the aggravation of the DA process.
Not really sure it would be worthwhile unless one does a lot of these or changes their fluid a lot.
 
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TJP440

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I could see using one of those on the fill port but not sure if it would work as as well on the drain side. IE: Pumping the fluid in from the bottom until it dribbles out the fill port. But if it is below the pan face bad idea. However using the temp probe port with a 1/8 NPT ball valve on a PPE pan would likely work.
might have to use 90 degree valves especially of the fill side as it's pretty tight. IF I were to do this again I would likely try this. It would certainly simplify the fill/check part. But then we still have the rest to contend with.
BTW: the line to d-ckslap the guy that approved the process that started in Germany has left Italy and is now into Albania headed for the Ukraine. :laughing1::laughing1::cheers:
 
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Different Drummer

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I could see using one of those on the fill port but not sure if it would work as as well on the drain side. IE: Pumping the fluid in from the bottom until it dribbles out the fill port. But if it is below the pan face bad idea. However using the temp probe port with a 1/8 NPT ball valve on a PPE pan would likely work.
might have to use 90 degree valves especially of the fill side as it's pretty tight. IF I were to do this again I would likely try this. It would certainly simplify the fill/check part. But then we still have the rest to contend with.
BTW: the line to d-ckslap the guy that approved the process that started in Germany has left Italy and is now into Albania headed for the Ukraine. :laughing1::laughing1::cheers:
Fill port was my thought. Put a clear tube on the nipple. Fill with the valve open using the proper fill procedure and when you get the drip your looking for that indicates proper level close the valve. Never thought about the drain port as my pan does not have one.
 

QwikKota

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It may only be a few ounces but keeping the fill port installed and adding a nipple would change the amount of fluid in the trans. I am not sure how picky these things are about fluid level. I did not have a problem pumping in to the fill port and only minimal fluid spilled out when it was at the correct level. I definitely think filling with a rigidly connected hose could waste a lot of fluid if you add to much. The side temp probe port would be preferred but you would need a way to cap it off as mentioned.
 

Dibsen

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Well, I was wanting to do the trans but now am second guessing. Has anyone tried removing the exhaust?
 

mdc1990zr1

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As promised, The good, the bad and the ugly
Whomever came up with the bastardization of this transmission installation in the Rams should be hung from their cajones in the middle of the Mohave desert in July.
All of the nonsense could have been avoided by moving the flipping fill hole to a higher location and OMG maybe one for cold fills after a service? NAHH that would cost almost as much as a dipstick, dipsh-t.

The Ugly: having not done this before I was unaware of the intensity of the circle jerk involved with verifying the level once filled.
I was also unaware that one should likely start the verification at the low end of the temp range as by the time one is done burning the skin off their hand and arms they will be outside the high end temperature. The placement of that fill hole and exhaust was obviously intentional by some sadistic SOB that daddy should have flushed down the toilet.

By this point you are likely aware that I thoroughly enjoyed my experience today.
So lets move onto the bad:
While getting the fluid in the trans was a breeze, removing the modified fill plug with the 90 degree elbow and hot exhaust was anything but fun. I should mention the install was easy as I used a 1/8 NPT M x F 90 and then a 1/8 NPT to hose barb and the exhaust was cold. PROBLEM: When trying to remove the assembly the hose barb interfered with a harness or something. OK reverse the installation with hot fluid and exhaust while the engine is running and the trans temp is doing what ????
I do not think anyone that is reasonably sane could have come up with a more idiotic process.
let's not forget the butt end being up 9 inches off the ground and 5 seconds in R N D followed by 5 seconds at 2000 RPM in second gear.
THIS INDIVIDUAL WAS DERANGED.
OK remove the modified plug and lose X amount of fluid as D AZ me shut the motor off while doing so. but was smart enough to install the factory while waiting for it to cool back down to the low end of the temp range for verifying the level.
Refill sprayer bottle.
Once cooled, loosen plug almost all the way.
Start motor
The Good: The bottle with the hose by itself (no fittings or modified plug worked quite well at replacing the lost fluid. took almost 2 quarts which surprised me as I did not think I had lost that much.
I may recheck at the lower end of the temp range as the fluid does expand when hot. So it may be a bit low when cold. I would rather have a bit more than a bit less :rolleyes:
I will look tomorrow to see if a straight hose barb will clear the exhaust as that would have simplified things but then I wouldn't have had as much fun.
I'm not sure you can comprehend what I might do the the individuals involved with this design if I were able to.
But then again at the time they were owned by who?? Fix-It-Again-Tony. I can think of several meanings for FCA none of which have anything related to Chrysler.
Walter P must have been rolling in his grave :sad72:
I would have thought that two holes would have solved the problem/made it easier for the final fill. A second hole above the fill plug would have allowed a slightly overfilled transmission. With the transmission slightly overfilled, you could let the transmission cool, get the pan leveled, run it through the gears and when you get to the lower limit of the fluid check, take the original fill plug out and let the fluid come to a slow drip and put the plug back in. That would be an optimal level at the lower temperature that Wildone indicates as best.
I often thought of tapping the fill plug and using the clear vinyl hose and securing it with some kind if plug in the tube, but I don’t trust the clear vinyl tube to not shrink or burn through the hot exhaust and black rubber tubing would defeat the purpose as you just can’t see.
 

Sherman Bird

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I would have thought that two holes would have solved the problem/made it easier for the final fill. A second hole above the fill plug would have allowed a slightly overfilled transmission. With the transmission slightly overfilled, you could let the transmission cool, get the pan leveled, run it through the gears and when you get to the lower limit of the fluid check, take the original fill plug out and let the fluid come to a slow drip and put the plug back in. That would be an optimal level at the lower temperature that Wildone indicates as best.
I often thought of tapping the fill plug and using the clear vinyl hose and securing it with some kind if plug in the tube, but I don’t trust the clear vinyl tube to not shrink or burn through the hot exhaust and black rubber tubing would defeat the purpose as you just can’t see.
!
 
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TJP440

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Sadly, trans fluid is, by design, a low dual viscosity oil with unique additives. On top of that, it expands a great deal as it gets hot. This causes the fluid to rise up high enough to get churned by rotating drums and planetary gear sets, making a foamy mess of air and ATF mixing together:: Resulting in a bar-b-qued transmission.
I'm not disagreeing with your statement or knowledge on the subject. But I have to ask what did the dipstick have to do with the part of you statement above?
I would say other things like the FLUID itself and the other things mentioned was at the root of the bar-b-que'd transmissions.
Will also mention having owned more than one new GM truck I experienced more than 1 puking fluid out the breather when it got hot ( IE: Hills and or towing)
Again no offense meant :cheers:.
 
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TJP440

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I would have thought that two holes would have solved the problem/made it easier for the final fill. A second hole above the fill plug would have allowed a slightly overfilled transmission. With the transmission slightly overfilled, you could let the transmission cool, get the pan leveled, run it through the gears and when you get to the lower limit of the fluid check, take the original fill plug out and let the fluid come to a slow drip and put the plug back in. That would be an optimal level at the lower temperature that Wildone indicates as best.
I often thought of tapping the fill plug and using the clear vinyl hose and securing it with some kind if plug in the tube, but I don’t trust the clear vinyl tube to not shrink or burn through the hot exhaust and black rubber tubing would defeat the purpose as you just can’t see.

I have often wondered how well not exceeding 122 degrees while servicing a ZF trans works in Arizona during say JULY?

Also thought I would add the latest fill revision to be used when servicing a ZF8 trans found somewhere online :rolleyes:

NOTE: TRANSLATED from German
1. Start the engine,
NOTE: Usage of Gloves is not allowed during the following steps!
2. Pick your nose with your index finger on both sides,
3. Repeat with other hand
4. Scratch butt crack with both same fingers.
5. Carefully smell each finger for the most aromatic one
6. Mark and save the least aromatic finger for Final fluid level check.
7. Using other finger/ hand proceed with the gear cycling procedure outlined in previous revision.
IF you do not have access to that, your DA should not have started the job.
8. Have the truck towed to the nearest dealer.
WARNING!! They will have their way with you. Now you know why you had to scratch your butt crack.
9. IMPORTANT!!! They will ask, Are you happy with your RAM ? It is Strongly advised to answer yes or they may opt to skip using drain oil
10. IF you do have access to the previous revision, shut the motor off as you have exceeded the allowed temperature.
11. After an overnight cool down repeat above steps but much more quickly
12. Proceed to the gear change circle jerk
NOTE: While this appears to follow the same DA thinking as the original, Follow at your own risk as the source has not been verified :005::cheers:
Also the previous line to d-ckslap the JO that came with the process was previously reported to be heading into Ukraine. the lates update is that they crossed into Russia and Putin has directed his troops to force them back to Germany where the ideocracy originated
 
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