How to fix an oil leak between the transmission and transfer case, Dodge Ram part 1

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This video is the first of two volumes showing a detailed step by step description of how I replaced the seals between my 46RE 4-speed automatic transmission and the 231 HD transfer case. Those are stock parts on a 1998 1500 Dodge Ram 5.9L 4X4. This repair was necessary because of a chronic low volume leak of ATF from the weep hole between the two parts. This type of leak may seem to be coming from the transfer case, since gravity and surface tension draws multiple oil droplets down and back from the source of the leak. Details of how to remove and replace the transfer case are shown.
Part II is here • How to fix a transfer ...
Special thanks to Sheriff420 for still images of this job and practical step by step advice, on the DodgeForumdotcom, here:
dodgeforumdotcom/forum/2nd-gen-ram-tech/219788-transfer-case-seals-3.html
Automotive repair comes with inherent risks, some of which are unavoidable even with good technique. Any misadventure you encounter if you decide to try and repair your vehicle is your responsibility. The information contained here is offered in good faith but with no guarantees of accuracy or safety.
Royalty free music embedded in the video was obtained from RU-vid creation tools "Sunday Stroll". Thunderclap sound used under Creative Commons 3.0 license, done by RHumphries at freesound.org/p...

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2 окт 2024

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Комментарии : 106

@FirstGendodgegarage Год назад

I’m doing pretty muchthe same job on my 1989

@joeteejoetee 3 года назад

Yet another EXCELLENT video! I have a 4WD Ram2500 and could not reach my (46RE) transmissions front band adjustment without removing this FWD propeller shaft first. P.S. Thanks for calling out the size of all the fasteners along the way!

@fixingcarsandstuff 10 лет назад

My boss finally fixed this on his Blazer, habitually drained transfer case and added it back to the transmission. If you don't know about this issue, fairly confusing to have so much fluid come out at you when you are checking the transfer case fluid

@spelunkerd 10 лет назад

Yeah, that would be a shock. Good thing they used the same fluid....

@whojackson 7 месяцев назад

My 1998 dakota is leaking there too. I overfilled the transmission by about 2 quarts. Now it is leaking a medium sized puddle every hour. I believe it was weeping slightly before I added the atf. Will my transmission stop leaking once the atf is at the maximum level?

@spelunkerd 7 месяцев назад

It seems I missed this comment last month. These components have vent tubes and when fluid is overfilled you can get fluid leaking out the vent. Usually the vent is up high, a rubber tube sometimes with a little knob in the end designed to allow air to pass but not allow dirt in. Once in a while a vent gets plugged, which allows pressure inside to increase, and that can cause seals to fail. Adjusting ATF fluid level can take some time since you need the vehicle warm to do the measurement. Older vehicles like this have a procedure for measuring fluid level with engine running, warm, and with transmission in neutral, so you need to chock the wheels with emergency brake on so the vehicle can't move when you hop out to check the level. I'd review the dealers service manual for your car to be sure you do it correctly. There shouldn't be any fluid escaping out that weep hole but I agree with your plan to get level right before moving forward with more aggressive repair.

@spelunkerd 6 лет назад

Evidently the link to part II does not show up when watched with some devices. Part II of the repair is here ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Fqm12h-ZGKE.html

@jasonellenberg3261 6 месяцев назад

Great video very informative but I cringed when you said "leeverage"

@bennyboyy7 3 года назад

I like your warning/disclaimer

@TheCarExp 5 лет назад

Damn this was hard! Took me about 4 hours to fix my oil leak and all because of a dumb gasket.

@spelunkerd 5 лет назад

Yeah, it makes one realize how much hard work guys who do this for a living have to go through. A lift would make it easier but still there are always problems, especially when they work on the clock, constantly trying to work faster.

@SteveRobReviews 11 лет назад

Good stuff. I sure would like a to hear a definitive explanation from why the drive shaft u joints are indexed. As I referred to before I installed thousands on the assembly line at GM and there was to indexing. I find it odd as well. I still run into people that tell me I should not store my batteries on concrete. LOL. I have to ask what the green marking you had on one of your wrenches was for. Looking forward to part 2. Thanks.

@gabyramirez1219 6 лет назад

Is this practically the same for a 2000 Dodge Ram 2500 v8 motor? I need to replace the seals and was wondering if it’s the same so I can pretty much guide myself by your video

@spelunkerd 6 лет назад

Probably more similarities than differences. However for the cost of an official dealer repair manual (about $45 for 5 years at Alldatadiy or Mitchelldiy) I get manuals for all my vehicles. Good luck!

@spelunkerd 11 лет назад

You're welcome, part 2 should be ready next week.

@darlalarcom9739 6 лет назад

I love this guy's vids . He is like the 2nd Gen ram Guru. Good info and video. I have what I believe is the same thing going on, on my 1998 ram 4x4. But sadly my engine and Trans was rebuilt and reinstalled and this seal wasn't replaced. Fine mess I have now.

@spelunkerd 6 лет назад

What a kind remark, thank you.

@darlalarcom9739 6 лет назад

spelunkerd certainly welcome.

@raysaragosa2991 5 лет назад

How come my 03 Chevy trailblazer. Ls. Is pouring trans fluid from we're the torque contverter is on the bottom I changed the seal. Between the torque contverter and the transmission and it's still pouring out is there another seal I forgot to change

@spelunkerd 5 лет назад

In this video you'll see there are two seals, one on each side, and also there is a third area that requires RTV. This is the Dodge, I would look for a dealers repair manual specific to your vehicle. Alldatadiy is fairly inexpensive, and you may find diagrams and even instructions that may help with the repair.

@vonzuriel4341 9 лет назад

I need to do this to my 2003 tiburon! Is there any video that show how to do this in RU-vid?? I got the idea but need to know more to make it right! Can someone help please??? Thanks for this video anyways!!!

@benjaminalmendarez3059 2 года назад

My vehicle is leaking trans fluid around that same area this video is very helpful of what I need to get replaced

@filmaker256 10 лет назад

Is thier a weep hole on every transmission?

@spelunkerd 10 лет назад

No, I don't think so, this is a fairly unique design. It helps to prevent fluid from one side leaking over to the other, though in this case the fluid is identical. Thanks for watching my videos!

@dwoodog 11 лет назад

Hats off to you undertaking this labour intensive task.

@buttercup5920 6 лет назад

I HAVE A 2005 FORD ESCAPE, WHEN I POUR TRANSMISSION FLUID IN MY TRUCK, WHY IS IT STILL LEAKING OIL? ALSO IT SHIFTS WEN I DRIVE IT ND A FEW TIMES IT HAS CUT OFF ON ME... DOES THIS MEAN IT NEED A VAVLE COVER GASKET OR WHAT?....

@spelunkerd 6 лет назад

Normal transmission oil has a pink or light brown color, motor oil is black. Transfer case oil can be various colors, some use transmission oil, others have dedicated transfer case oil. Differential gear oil is heavy black, and power steering oil is black. You should be able to tell by the color and location of the leak which oil is leaking. Motor oil has to deal with the extremes of heat, and small amounts are normally consumed when motor oil leaks past piston rings. Transmission oil and other oils don't have to withstand the extremes of heat that motor oil has to endure. If somebody told you valve cover gaskets will do that, they are pulling your leg. DIY auto repair requires a huge commitment of time, effort, tools and confidence that most people don't have. Ask around with friends, look for local reviews of shops and get an opinion from a pro. Good luck!

@WarmMyHeart 6 лет назад

Good video enjoyed it and learned a lot thank you

@spelunkerd 11 лет назад

You're right, Terry. Most of us search the net for details like that, so I threw it in for those looking to do other jobs. I did the transmission bands after I finished the seal, and right now I'm rendering a video of that.

@RICKAFIX 11 лет назад

Awesome video Spelunkerd Can't wait to see Part 2 and you are not wearing gloves which is a plus in my book... great work once again

@jaaqess2525 8 лет назад

I have some kind of fluid leaking between the oil pan and the transmission. I hope it's just the pan gasket. That would be a much easier fix than transmission gaskets. I'm fairly sure it's oil , but I still need to find the leak.

@spelunkerd 8 лет назад

+Jaaq Ess A first step is to understand how to tell the difference between the various oils. Often the oil used for the tranfer case and engine is different than the transmission, with a very different color. Another factor that may be important is that overfilling the transmission can cause foaming of the oil, which can then leak out of the vent tube at the top of the trans. That causes confusing leaking, too, so make sure you're not overfilled. If the above aren't giving answers, you could do a trans oil and filter change and change the pan gasket at the same time. Once before I had a vehicle that was put through a professional trans oil change, and they forgot to tighten the pan bolts. A quick turn of the pan bolts solved the problem. However don't forget that those pan bolts are threaded into aluminum, so don't overtorque them.

@jaaqess2525 8 лет назад

spelunkerd It turns out it's coolant. I have a spot where I park that has oil on it from past leaks and it looked like oil, but after it dripped more I could see the green. I'm just going to keep an eye on it and wait till I have to fix it, because I really don't want to pull the transmission for a small drip.

@spelunkerd 8 лет назад

+Jaaq Ess Coolant is probably better news, though you should have a look for the weep hole under the water pump bearing to see if it's coming from there. If so, you'll need a new water pump soon. Hopefully it will be something easier like a hose connection.

@spelunkerd 11 лет назад

Thanks, Steve, I agree. The green mark is the size that fits my wife's Lexus oil drain plug. I hate crawling under a vehicle with the wrong wrench in hand, ha ha.

@TheUnpreparedMind 9 месяцев назад

Do you have part numbers for seals?

@spelunkerd 9 месяцев назад

I used aftermarket seals so the part numbers are different. I got the parts guys at NAPA to look up the numbers for me. Anything not embedded in the video has been lost.

@TheUnpreparedMind 9 месяцев назад

@@spelunkerd ok thanks!

@zx8401ztv 11 лет назад

Smashing :-) Looks like your getting closer, im wondering if you need to remove a lot as you have pointed out quite a few jiggerly bits (technical term lol). It will work fine when your done, ive never seen you fail :-))

@stuzman52 11 лет назад

Great Dave, I'm looking forward to your next video. Good job on fixing that leak. Now your'e making me feel bad about procrastinating with the oil leak that I have on the Ranger (grin). Take care Dave...

@greygoosemafia 10 лет назад

lady slipper lol. I took the trans cross member out HORRIBLE IDEA. great video, extremely informative. Do you know where to connect too, to test the trans oil pressure?

@spelunkerd 10 лет назад

Good question, my short answer is I don't know. Tonight I looked it up on alldata for you, but there doesn't seem to be much detail there. I found one diagram showing the locations for various test ports including a governor test port, accumulator test port, front and rear servo test ports and overdrive clutch test port. I could send that to your email address if you like, but there were no other details regarding normal values. If I were investigating that I would probably start with getting as much info as possible from my code reader, autoenginuity. There is a pressure regulating solenoid so the feedback from that is probably sent back to the pcm, and is probably available if you can get it using the right software. You might find more detailed overviews of this transmission on the net.

@greygoosemafia 10 лет назад

hey, I appreciate that. I'm buying a trans oi.engine oil pressure kit. so I was curious where that would even hook up lol. also do you know of which noid light dodge uses for their injectors?

@kanatuna97 4 года назад

What year of van please

@spelunkerd 4 года назад

1998

@bwhntr11111 4 года назад

Propeller shafts are on boats.Thats called a driveline.

@spelunkerd 4 года назад

Chrysler use prop shaft in their OEM repair manual, though I agree it sounds odd.

@thenubbynomad2828 5 лет назад

Is there any way to bulletproof this ?

@spelunkerd 11 лет назад

Thank you. I have tried many times to wear gloves but it doesn't seem to work for me.

@spelunkerd 11 лет назад

The hardest part is the crossmember, but it takes more effort than I anticipated. Thank you for watching!

@EJConrad 11 лет назад

super vid! Ty so much!

@spelunkerd 11 лет назад

You are a kind colleague, thank you. On reviewing the video, I really need to use the tripod more so that I don't make the viewers dizzy. Unfortunately in tight quarters it's not so easy to do that.

@reneejohnson9290 8 лет назад

I have a 2002 Acura TL and may transmission rebuild about two after fluid was leaking out so I took it back and they said it was from the rear main seal on the motor I asked him why didn't you change that when you had the opportunity because the mother has over 200,000 miles on it his answer was I didn't think it needed one what do you think?

@spelunkerd 8 лет назад

Those are hard to do, lots of extra work now. I would keep it full and put up with driveway stains if the leak isn't too bad. Playing the blame game doesn't accomplish much. He could reasonably argue the extra labour cost to pull the torque converter/flex plate and replace an expensive normal seal wasn't justified if the seal wasn't leaking at the time. I believe some mechanics do replace the seal by removing the flex plate during a trans change, but you can bet they add that extra step to every customer's bill in some way. They consider that insurance against the person who will complain later, but the problem is that the insurance 'bill' is paid by their own customers. I find some shops often charge for replacement of extra normal parts, arguing that if the part goes bad soon after the repair, they get blamed. However when I do a repair I try to focus only on the parts proven to be bad, noting that my time is not so expensive and I'm willing to spend more time later if suspect parts die soon after. When a pro shop charges the customer to replace a lot of normal parts to preserve their reputation in case issues happen later, I shrug.... On the other hand, if there was clear evidence the main seal was leaking before the repair, it would be hard to justify not dealing with it at the time.

@reneejohnson9290 8 лет назад

No sir it was not leaking before

@Trials-and-Tribulations 10 лет назад

Is this the same for a 1998 Dakota transmission leak between bell-housing and oil pan

@spelunkerd 10 лет назад

No, completely different.

@curiosity2314 10 лет назад

Love your videos... I have to say your blooper about vacuum tubes had me rolling on the floor! All in fun... Imagine the cost to repair this truck if they didn't have the knowledge. For all the work you have done it would be the cost of the truck new. I'm not sure what that says about Dodge? No disrespect intended...

@spelunkerd 10 лет назад

I love this old truck, too bad it's drinks gas like Kool-aid. There aren't many vehicles on the road with so much room in the engine compartment, and parts are usually really cheap. It's gonna be hard to give it up one day, and I know it inside and out. Thank you for watching my videos, it's great to meet people who appreciate the effort.

@curiosity2314 10 лет назад

spelunkerd I know you do... I also hold on to my cars for 10 to 15 years. I have issues with gas guzzlers. This week on my 2007 Focus I did all springs, struts and shocks, pads and brake fluid, oil / filter transmission / filter and oil. I'm also going to add a Arctic cold external transmission filter. I had done this on another car that had not had a transmission oil change in 100,000 miles and the transmission fluid was black. After a couple of changes and the addition of the external filter the fluid stayed perfect. Not selling anything here but I use Amsoil when I make changes. I really wanted to make a video of all I did here the last week but time was not on my side. Thanks for all your effort! It's truly amazing! I'm going to be looking into one of those torque multipliers soon! Cool tool!

@dwpetty3723 11 лет назад

My Dodge Durango is leaking, So the timing of this video is perfect. Looks like a hard project thought.

@geojor 9 лет назад

informative, thank you for your efforts...

@spelunkerd 9 лет назад

Thanks!

@bovellois 6 лет назад

Did you have any issue putting the cross-member back in place?

@spelunkerd 6 лет назад

Yeah, but once I found where the pinch points were, it tapped in with gentle persuasion using my BFH. As I recall, there was a taper in the gap between the two side channels, so I put it up into the bigger gap and banged the cross member home. Trying to place it directly from below into the correct area didn't work.

@connorjones536 7 лет назад

i swaped transfer cases with the bed off its much easier

@gubler79 7 лет назад

great video my friend. my 87 keep is leaking bad.

@tommymiller7005 8 лет назад

I have a leak between my motor and transmission 2006 Buick lacrene

@spelunkerd 8 лет назад

+Andre Jackson The rear main motor seal is quite a bit more involved to fix. Because of the extra effort to drop the trans, if the leak isn't very bad it might be wise to watch it for a while, replacing fluids as they are lost. You want to be sure which fluid is on the ground. Most transmission fluids have a different color (often red) compared to engine oil (usually black unless changed recently). Also verify it's not coolant, which would be approached very differently. Check to be sure you're not losing fluid from the adjacent oil filter seal or various sensors in the area. Make sure you haven't overfilled fluids, in which case you can get loss from a vent tube because of frothing oil inside the engine or transmission.

@spelunkerd 11 лет назад

Yeah, it's a bit of effort, though it is rewarding in it's own way. Thanks for those encouraging words!

@MazwiZwane 10 лет назад

Wow, why didnt i see your videos earlier. liked and subscribed

@spelunkerd 10 лет назад

Thanks, man!

@JoshuaPortervideo 7 лет назад

I have a 2002 Buick century, it started shifting hard in first and second today, and poured out about half the engine oil. What could that be due to?

@spelunkerd 7 лет назад

Are you sure it was engine oil? The color should be very different than the red ATF oil used for the automatic tranmsission or most transfer cases. I would look for the leak and fix it before driving very far.

@JoshuaPortervideo 7 лет назад

Thanks for the advise. I found that the water pump was leaking. The belt was slipping b/c of the coolant leak making the car appear to have bad trans.

@gurpreetkandola6217 7 лет назад

Hi, I've got Toyot Hiace full time 4wd. its rear main seal is leaking. Mechanic has changed the seal, but it still leaking. Mechanic reckons that there is very small mark on crank shaft and thats why this leak is there. is there any way to fix this leak. your suggestion will be appreciated.

@spelunkerd 7 лет назад

That sounds like a plausible explanation. No, these are always a bear to replace properly.

@gurpreetkandola6217 7 лет назад

How can we maintain the vehicle when its leaking and there is no way to fix it.

@1984juant 7 лет назад

spelunkerd a bear ?

@garyparker390 6 лет назад

Man, good video, but most people go to the mechanic for all that

@r6984 6 лет назад

Gary Parker, but Gary what if that's not an option, say you need a full size truck for you're work but you can't support your kids and afford to pay a mechanic?

@spelunkerd 11 лет назад

I appreciate your feedback, thanks.

@chvydrptop 7 лет назад

Amazing videos! Clear and concise thanks!

@frankwick3989 9 лет назад

Thanks for all of the information. This is very helpful.

@spelunkerd 9 лет назад

Frank Wick No problem, thanks for your feedback.

@mduduzithabethe3681 8 лет назад

wat if driveshaft won't come out ?

@spelunkerd 8 лет назад

+Mduduzi Thabethe You mean the rear prop shaft? Mine slides out easily but some may be held in place with a snap ring. An example of a difficult one is the way the transfer case of a Dodge Ram comes apart, with a huge internal snap ring you need to release first. I made a video of that on my channel. Check your dealers repair manual for details like that.

@mduduzithabethe3681 8 лет назад

Mr. Its a front wheel drive gearbox seals are worn out nd driveshaft cant b taken out. So i was told they wud have to open up the gearbox to check y driveshaft doesnt cum out

@spelunkerd 8 лет назад

Oh, you're talking about the front, not shown in this video. Those front snap rings can be tricky. Usually it's a process of tap, rotate, tap, rotate, and have patience. I did a video of the suburban axle seal on my channel. Suddenly if almost fell out with a little tap. The snap ring just needs to be in a perfect spot, and you're working blind so it's trial and error. As you say, if you can't get it out, you need to split the diff.

@mduduzithabethe3681 8 лет назад

Tnx vry much

@TheBlueEngineer 5 лет назад

This was super helpful thank you man

@spelunkerd 5 лет назад

Engineering was a distant classroom memory for me, but even so we think alike. Thanks for the feedback.

@davejames2015 6 лет назад

Same as the 5 speed manual?

@spelunkerd 6 лет назад

Not sure, I'd check the dealers repair manual. I use alldatadiy, though Mitchelldiy is said to be good too. Mitchell for new cars can be less than helpful, though I think that can be said industry wide. New car repair manuals lack mechanical detail and are confusing, relying on proprietary software too much.

@jmpiv4 5 лет назад

Part Number?

@spelunkerd 5 лет назад

Sorry, if it is not in the video the data is lost. I used NAPA generic seals. For details like that, I find the dealers repair manual is valuable, Alldatadiy is my favorite, though mitchelldiy offers a product, too.

@jmpiv4 5 лет назад

@@spelunkerd thank you for replying.

@MrMany2811 6 лет назад

What vehicle?year?

@spelunkerd 6 лет назад

This truck is a 1998 Dodge Ram, still running today. This week I'm repairing and repainting both front doors, because of rust holes in the lower doors.

@MrMany2811 6 лет назад

Sorry I just realized is on the description

@spelunkerd 6 лет назад

No problem.

@MrMany2811 6 лет назад

I have an engine oil leak right where the engine meets the transmission,there is like a cover and like a drain too,any ideas?I have a 1999 Dodge Durango 5.2 4x4

@spelunkerd 6 лет назад

Rear main seals are the problem there, not very easy to deal with. Make sure it is engine oil and not transmission oil (very different color). To deal with that the usual strategy is to drop the transmission and replace the seal, which ends up being quite a bit of work. Search 'rear main seal, Dodge". In some engines you may need to drop the pan as well, and a rear pan leak could present in the same way. Guys who have manual transmissions sometimes do that seal as part of a clutch replacement, though it takes about 30 minutes longer so professional shops sometimes cut the corner and fail to refresh the seal. If it is not leaking very badly, you could just watch it, keeping an eye on oil level since loss of engine oil is the main complication. Whenever you have a major seal like that blow, make sure your PCV valve is working and not plugged, since high crankcase pressure from blowby gasses can cause seals to fail. Good luck!