Np205 transfer case fluid

Got a problem, I mated a Np 205 to a th-350 tranny using the correct adapter with new seals. The truck has been a work in progress and has never been driven under power, just started long enough to set the timing etc. ... I had a 350/205 in a 72 blazer and it did have the bearing in the adapter. It always leaked trans fluid to the transfer …

Np205 transfer case fluid. I cant speak for the autos but my sm465 has a seal in the adapter to prevent its fluid from getting into it. The t-case side doesnt though. My truck is an '83 and came with the 465/205 setup. The factory manual says to use ATF in the case. I use synthetic 80-90w.

TKA2141 Premium Gasket Set for Dodge, IHC, Ford Remote Mount NP205. 2141. $28.98. Add to Cart. 1. 2. Next. Shop Now for Gaskets to fit 1972-1993 Dodge New Process NP205 Transfer Cases in W100, W200, W250, W300, & W350 4x4 trucks. In stock, quick shipping.

The process to remove the transmission assembly is very similar for both the two- and four-wheel-drive Nissan Pathfinder models. You remove the transmission and transfer case as a ...Sep 25, 2011 · #1. What kind of lube do I use in a 205 T-case? I have an old Ford shop manual and it says to use 50wt engine oil----I will be driving this truck in winter -20 cold and summer 90 heat. Also how much lube is needed? Fluid type option's for NP205 and T18? I ordered a seal kit for my NP205, And now I wonder what fluid to use? I believe my 79 should use 80-90 gear oil. I know some of the newer transfer cases including the 205 use ATF? also read 50w's? I would like to use the lightest fluid for MPGs possible with out doing harm to my transfer case.QU50193 NP205 Front Output Synchronizer Center Clutch for GM. 50193. $53.98. Add to Cart. Shop Now for Synchronizer Parts to fit 1982-1985 GM New Process NP205 Transfer Cases. In stock, quick shipping.Water displacement is a particular case of fluid displacement, which is simply the principle that any object placed in a fluid causes that fluid to no longer occupy that volume of ...

Shop Now for Parts, Tools, Info for 1969-1972 GM New Process NP205 Transfer Cases. In stock availability on most items for quick shipping. The NP205 is a cast iron, gear drive transfer case with a 1:1 high range and a 1.96:1 low range. It is considered by many to be the strongest transfer case ever factory installed in one ton and smaller 4x4's. Shop Ram 1500 transfer case fluid, Ram 2500 transfer case fluid, Dodge Dakota transfer case fluid, Dodge Durango transfer case fluid, and more at Torque King. Menu. Search. Close Search. ... NP205 80w90 GL5 * 4.5 Pints : 1974-1979: Ramcharger: NP203: SAE 10w30 Engine Oil : 9 Pints : 1975-1979: W100/150/200/250: NP203: SAE 10w30 …My case came from a 78 F250 4x4 with 400m and c6 trans. Thats what the owners manual stated. If you look in the haynes repair manual they say 140 w gear oil. If you look in chiltons they say. Dana 21- 50w motor oil. np203: below 32f, 30w motor oil, above 32f, 50 w motor oil. np205: 76-77 50 w motor oil, 78 and later sae 90w gear oil.Ford NP205 Transfer Case 76-79 Married. Six bolt circle pattern, female 31 spline input. Transfer Case is completely rebuilt with new wear parts (bearings, seals, etc.) and inspected gears and shafts. The NP205 is arguably the King of Transfer Cases. It's a heavy duty, gear driven unit that was used in a variety of applications.Secure the vehicle on a level surface. Locate the oil fill plug on the transfer case. Remove the top oil fill plug. Using a flashlight, check for oil at the fill plug hole. What kind of fluid goes in a Chevy transfer case? Conventional transfer cases require SAE 80W or SAE 80W-90 GL-5 gear lubricant. Full time systems use SAE 10W-30 or 10W-40 ...

The doubler shaft that couples the NP203 to the NP205 is 100% new and US made from 8620 chromoly heat treated steel. The Doubler is only available in 31 or 32 spline which eliminates any weak link in the transfer case system. Very early on we experimented with 10 and 27 spline input gears in the NP205 and they simply didn't hold up.NP205 Transfer Case Parts. The NP (New Process Gear) 205 transfer case was a popular unit used by all the Big Three automakers, specifically found in 1969-1993 Dodge trucks, 1974-1979 Ford trucks and 1969-1980 GM vehicles. If you're having problems and need Chevy transfer case parts, GM transfer case parts, Ford NP205 transfer case parts or ... Unlike the NP203 chain drive transfer case, the NP205 gear drive transfer case is pretty tolerant of different fluids as diverse as Dexron ATF (used in GM NP205 1980-1991) and SAE 140w Gear Lube (used in Dodge NP205 above 90°F). Ford does not claim XT-4-QGL or XT-M5-QS is backward compatible with the 1978-1979 NP205, but while we recommend you ... Take it with you to the parts store for comparison. Tap the new seal in. Put some black RTV on the transfer case re install the seal housing, (make sure it is clocked correctly) Install the output yolk with a little oil on it to make a good seal with the new seal. Tighten the yolk nut down. (the easiest way to do it is with an impact wrench.

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Mar 25, 2023 ... G'day Guys! Here's a link to a few tools that will make the job a heap easier! Drain Pan - https://amzn.to/3GbosqE Oil Transfer pump ...Peritoneal fluid analysis is a lab test. It is done to look at fluid that has built up in the space in the abdomen around the internal organs. This area is called the peritoneal sp...Locate transmission jack/adapter just below transfer case. Remove mounting bracket between frame and NP205 if one is present. Using a 9/16 th socket or wrench, remove all the bolts that connect the transfer case to the C6 rear shaft case. Note any movement between the transfer case and the C6, the RTV gasket sealant and …1973 - 1979 F-100 & Larger F-Series Trucks - Transfer case lube - I have a 1978 F-250 with NP 205 transfer case. My manual says to use gear oil, but when I took the plug out, it looked there was tranny fluid in there.Transmissions are a work of automotive genius. The transmission takes power from the engine and then multiplies this power through a series of gears to make the car go. When you ha...My case came from a 78 F250 4x4 with 400m and c6 trans. Thats what the owners manual stated. If you look in the haynes repair manual they say 140 w gear oil. If you look in chiltons they say. Dana 21- 50w motor oil. np203: below 32f, 30w motor oil, above 32f, 50 w motor oil. np205: 76-77 50 w motor oil, 78 and later sae 90w gear oil.

Jun 12, 2020 ... NP205 Transfer Case Rebuild. 807 views · 3 years ago ...more. Curmudgeon Transmission. 12.9K. Subscribe. 12.9K subscribers.Posts: 201. The NP205 holds 2.5 qts. prior to 1980 they had 85w90. In 80 GM switched to dextron I suspect for fuel economy. But in 80 they also redesigned the ouput shaft to a slip yoke instead of a slip shaft driveshaft I don't know if the redesign required the fluid change.In some cases, fluid on the lungs, or pleural effusion, is dealt with by treating the cause of the fluid build-up, such as pneumonia or congestive heart failure, according to WebMD...Re: Manual Trans/ Transfer Case oil. « Reply #1 on: March 03, 2017, 09:01:31 PM ». 80w90 or 75w90 gear oil for transmission, For the 205, I am pretty sure gm started using atf in them around the late 70's, but you won't go wrong using the same oil as the transmission. Sent from my iPhone using Tapatalk. Logged.The NP205 is a part time, cast iron transfer case with a figure eight front bolt pattern configuration. This assembly was used in 1971-79 vehicles. Transmission. This adapter kit is designed for exclusive use with the GM TH400 automatic transmission. The TH400 has a case length of 24.250” and a “Texas-shaped” oil pan underneath it.The NP205 Transfer case takes 2.5qts. There has been quite a bit of discussion concerning the type of oil (gear vs ATF) from 1980 on. ... The recommended fluid type for the transfer case on a 1987 ...NP205 TRANSFER CASE ADAPTER SEALS & O-RING REPLACEMENT. K10 Transfer case full of or filling with transmission fluid? Watch this thorough step-by-step repl...Jul 13, 2021 ... The Ford New Process 205 transfer case is the best OEM gear box ever offered in a factory vehicle. Still being used today in many hardcore ...Have them look up the piece on the computer. It's should be a stock item at a large GM dealer, it's somewhere between 20 to 30 bucks. The speedo gears on our 205 only use this o-ring. And it's build into the screw in piece. Aslo check the shaft of the speedo gear input for wear. Once I did this, all leaks stopped.

Got a problem, I mated a Np 205 to a th-350 tranny using the correct adapter with new seals. The truck has been a work in progress and has never been driven under power, just started long enough to set the timing etc. ... I had a 350/205 in a 72 blazer and it did have the bearing in the adapter. It always leaked trans fluid to the transfer …

Dec 21, 2021 ... G'day Guys and Gals! Here's a link to a few tools that will make the job a heap easier! Drain Pan - https://amzn.to/3GbosqE Oil Transfer ...1. GM New Process 205. GM TRANSMISSION AND TRANSFER CASE INFORMATION: The early GMs 1968-70 used a Dana 20 & Rockwell style transfer case and no adapters are available for these vehicles. In 1971, New Process introduced a model NP203 (chain-driven), and NP205 (gear-driven) transfer case. Both of these transfer cases used various input splines.Mar 12, 2015 ... Installing Idler Gear And Setting Bearing Play On A Chevy Squarebody NP205 Transfer Case ... Will the wreckers NP205 transfer case live?Jan 23, 2019 ... Comments208 ... Make sure you can get the fill plug out first to ensure you have a way to fill it back up, homie.Shop Now for Parts, Tools, Info for 1973-1991 GM New Process NP205 Transfer Cases. In stock availability on most items for quick shipping. The NP205 is a cast iron, gear drive transfer case with a 1:1 high range and a 1.96:1 low range. It is considered by many to be the strongest transfer case ever factory installed in one ton and smaller 4x4's ...QU20030 NP205 Transfer Case Front Yoke Slinger. 20030. $39.98. Out of Stock. 1. 2. Next. Purchase a Ford 1977-1979 NP205 yoke from Torque King. Whether you need an input or output yoke, our kits & accessories will get your 4x4 truck back into great condition to handle tough jobs.1. GM New Process 205. GM TRANSMISSION AND TRANSFER CASE INFORMATION: The early GMs 1968-70 used a Dana 20 & Rockwell style transfer case and no adapters are available for these vehicles. In 1971, New Process introduced a model NP203 (chain-driven), and NP205 (gear-driven) transfer case. Both of these transfer cases used various input splines.

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np 205 oil type dilemma. Too much to choose from nowadays. Atf type F fluid, synthetic 75-140 hypoid GL 5 or 80-90 hypoid GL 5? The th400 has dexron III in it and the gear vendors old type J behind the t-case requires aft type F. I Googled np 205 oil type and some people use 80/90 GL 5 in summer/or all year around, aft fluid in the winter but ...May 22, 2020 ... ... T-case combo, to show how easy it can be. Then I put them back in and remove the drivetrain as usual. The NP205 transfer case comes out with ...Replace Transfer Case Fluid: 36,000 miles: 57,600 km: Adjust Valve Lash: 24,000 miles: ... Transfer Case NP205 NP231 NP231HD NP241 NP241HD: See Below 2.22 Quarts 1.25 ...Have a Turbo 350 AT with a GM NP205 and home made clocking plate. On an incline the ATF will leak out of the vent line on the transfer case. Replaced the seals and o-ring inside the factory adaptor, put RTV around the o-ring. It still does it. Looking for info on why this happens and what can be done to fix it.Mar 21, 2012 · I have a 1973 Chevy truck with the NP205 gear driven transfer case. My original 1973 manual says to fill it with 80w gear oil. Later manuals for the same transfer case specify ATF instead, I'm guessing this was for gas mileage reasons. The newer 205 transfer case that calls for ATF is the same as far as I know to the old one that I have. When it comes to finding the right parts for your vehicle, having accurate information is crucial. One of the most effective ways to ensure that you get the correct transfer case f...Jul 30, 2014 · Re: Transfer case fluid. Also welcome to the site. In the 76 service manual which can be found in the tech section, on page 7M-3 (page 203) 3 or 4 speed manual transmission should have the 205, the automatic transmission should have the 203. Unfortunately this manual does not have the lubrication for transfer cases, it say's to see the "truck ... Apr 20, 2010 · The seals are in the adapter so remove the t-case with the adapter attached, then unbolt the adapter from the t-case and change the two inner seals. Leave the transmission in the vehicle. The NP205 shaft has an o-ring on the shaft and the TH350 has a big o-ring where the adapter bolts up. Like. Sep 7, 2014 · Posts: 201. The NP205 holds 2.5 qts. prior to 1980 they had 85w90. In 80 GM switched to dextron I suspect for fuel economy. But in 80 they also redesigned the ouput shaft to a slip yoke instead of a slip shaft driveshaft I don't know if the redesign required the fluid change. 1. GM New Process 205. GM TRANSMISSION AND TRANSFER CASE INFORMATION: The early GMs 1968-70 used a Dana 20 & Rockwell style transfer case and no adapters are available for these vehicles. In 1971, New Process introduced a model NP203 (chain-driven), and NP205 (gear-driven) transfer case. Both of these transfer cases used various input splines. This NP 205 Shop Manual/Technical Manual is a must-have reference when rebuilding a NP 205 transfer case. This TM covers all variants and provides step-by-step instructions with color photos and torque values. This is an indispensable, must-have guide. 5 NP205 Transfer Case Manual. Steve on Jul 04, 2022 ….

The 4 transfer cases availalbe in Squarebodies from 73-91 were NP203, NP205, NP208 and NP241C. All are passenger side drops, and all are manufactured by New Process. Here is a little information on all of them. And we'll add more info as the thread grows. Soon, we'll have all the transfer case info all in one thread which comes in handy for ...Parts, Tools, and Manuals for Dana and New Process Transfer Cases in 1973-1991 Chevy and GMC full-size 1/2 ton to 1 Ton 4x4 trucks and SUVs. 1973-1979 GM NP203 Transfer Case Parts & Manuals. 1973-1991 Chevy & GMC NP205 Transfer Case Parts. 1981-1988 GM NP208 Transfer Case Parts & Manuals.my trans takes 90wt oil..... and so does my np205 ..... bough 1 gallon of gear oil from autozone & a nifty hose that goes onto the 1 gallon jug... 1 gallon = $6.50 1 quart …The NP205 is identified by several features: 1. The transfer case is one piece of cast iron. There is a short bearing retainer/output housing at the tail of the case, and aluminum bearing retainers/seal retainers at the front and rear outputs but the working parts are all in a single iron housing. 2.Oct 16, 2012 · A 75 K10 should have an NP203 chain drive t-case so it can take 10w30 (recommended more for a 203 behind a SM465 4-speed) or Dextron II or III auto trans fluid. The rear diff may need gear oil with limited slip additive, either way I think it's 80W90, same for the front but it will more than likely be an open diff which will take straight 80W90. NP205 New Process Transfer Case Diagram. The NP205 transfer case is a heavy duty gear driven transfer case in a cast iron case. The NP205 gear driven transfer case is considered by many to be the king of bulletproof. It was supplied in many GM, Ford, International and Dodge full-size trucks. Twin stick conversion for the NP205 is simple and can ...An NP205 weighs about 140 pounds dry, while an Atlas weighs 110. An auxiliary box with either of the transfer cases adds another 20-25 pounds. Length is a different issue. An NP205 measures about ... This NP 205 Shop Manual/Technical Manual is a must-have reference when rebuilding a NP 205 transfer case. This TM covers all variants and provides step-by-step instructions with color photos and torque values. This is an indispensable, must-have guide. 5 NP205 Transfer Case Manual. Steve on Jul 04, 2022 The new Offroad Design Magnum Box is our super compact 4 speed transfer case system featuring our "fat shaft" technology that truly equips you to use any of the available ranges without fear of breaking the intermediate shaft. The Magnum Box retains the 1:1 and 1.96:1 ratio that an NP205 has stock and adds an additional 2.72: and 5.33:1, all available … Np205 transfer case fluid, NP 203 sucks. The NP 203 is an aluminum, chain driven, full time transfer case. It is weaker than the "bullet. proof" NP 205. The NP 205 is all cast iron, gear driven, part time t-case. I belive it has a. 1.96:1 low ratio. It is found in 73 - 87's with manual transmissions. One way to tell them., 4l80e / NP205 Fluid Transfer. I have a 4L80e from about a 2005 4x4 truck. I just ordered an adapter from one of the vendors (Trail Tech Fab) to mate this to my NP205. The 4L80e uses ATF and I believe the NP205 uses gear oil, although I have seen some debate. I also thought I rember reading that when swaping in the 4L80e you're supposed to plug ..., You can end a car lease early in a number of ways. You might transfer the lease to someone else or trade the vehicle in for another. You can sell the car, or buy out the lease. But..., Mar 18, 2015 ... https://www.facebook.com/GebBuilt/ Here is the final assembly and finished NP205 twin stick transfer case for my 86 Chevy project truck with ..., Have a Turbo 350 AT with a GM NP205 and home made clocking plate. On an incline the ATF will leak out of the vent line on the transfer case. Replaced the seals and o-ring inside the factory adaptor, put RTV around the o-ring. It still does it. Looking for info on why this happens and what can be done to fix it., Shop Now for Parts, Tools, Info for 1973-1991 GM New Process NP205 Transfer Cases. In stock availability on most items for quick shipping. The NP205 is a cast iron, gear drive transfer case with a 1:1 high range and a 1.96:1 low range. It is considered by many to be the strongest transfer case ever factory installed in one ton and smaller 4x4's ..., Chrysler's New Process Gear Division built gear drive NP205 transfer cases for 1969-1974 and 1980-1993 Dodge Trucks. The 1969-1974 version was a remote mount unit used in W100, W200, and W300 4x4 Trucks. For the 1975-1979 models years, Dodge opted to use the troublesome NP203 full time transfer case instead of the reli, The correct fluid for your transfer is dextron/mercon transmission fluid.To check the fluid level,jack up both ends of the vehicle and be sure to support with jack stands.Make sure vehicle is level.If you look at the rear of the transfer case,you will see two plugs,one lower than the other.Remove the lower plug and if fluid runs out it was overfilled,if nothing runs out,stick your pinky finger ..., A 75 K10 should have an NP203 chain drive t-case so it can take 10w30 (recommended more for a 203 behind a SM465 4-speed) or Dextron II or III auto trans fluid. The rear diff may need gear oil with limited slip additive, either way I think it's 80W90, same for the front but it will more than likely be an open diff which will take straight 80W90., Shop Now for Parts, Tools, Info for 1973-1979 Ford New Process NP205 Transfer Cases. In stock availability on most items for quick shipping. Ford used left drop cases from 1973 through 1979. The NP205 is a cast iron, gear drive transfer case with a 1:1 high range and a 1.96:1 low range. It is considered by many to be the strongest transfer case ..., Hydraulic power systems depend on actuators, hydraulic fluid, a motor, pump, sump, and valves. It’s possible to use this combination in an endless amount of combinations for transf..., Shop Now for Parts, Tools, Info for 1969-1972 GM New Process NP205 Transfer Cases. In stock availability on most items for quick shipping. The NP205 is a cast iron, gear drive transfer case with a 1:1 high range and a 1.96:1 low range. It is considered by many to be the strongest transfer case ever factory installed in one ton and smaller 4x4's., Chrysler's New Process Gear Division built gear drive NP205 transfer cases for 1972-1974 and 1980-1993 Dodge Trucks. The 1972-1974 version was a remote mount unit used in W100, W200, and W300 4x4 Trucks. For the 1975-1979 models years, Dodge opted to use the troublesome NP203 full time transfer case instead of the reliable NP205, but …, Apr 11, 2010 · the np203 case - since its chain driven uses 10w 30 motor oil. i think only the aluminum transfer cases used the atf. if you dont wanna use regular gear oil - you can do this - buy some synthetic gear lube - redline MTL gl4 is real nice stuff - its kinda expensive though like over $10 a quart. and that adds up real quick since the np435 and ... , Chrysler's New Process Gear Division built gear drive NP205 transfer cases for 1972-1974 and 1980-1993 Dodge Trucks. The 1972-1974 version was a remote mount unit used in W100, W200, and W300 4x4 Trucks. For the 1975-1979 models years, Dodge opted to use the troublesome NP203 full time transfer case instead of the reliable NP205, but effective ..., Shop Ram 1500 transfer case fluid, Ram 2500 transfer case fluid, Dodge Dakota transfer case fluid, Dodge Durango transfer case fluid, and more at Torque King. Menu. Search. Close Search. ... NP205 80w90 GL5 * 4.5 Pints : 1974-1979: Ramcharger: NP203: SAE 10w30 Engine Oil : 9 Pints : 1975-1979: W100/150/200/250: NP203: SAE 10w30 …, Waterproofing is a crucial aspect when it comes to building structures, specifically for huge residential and commercial edifices. It is why, rather than Expert Advice On Improving..., Zumbrota uses an exclusive hydro-blast rinse and sandblasting procedure on internal and external parts, followed by a proprietary shot-enticed deep cleaning. All finished units are thoroughly spin tested for shiftability and noise. All transfer cases are shipped in high density plastic totes to eliminate damage in transit., np 205 oil type dilemma. Too much to choose from nowadays. Atf type F fluid, synthetic 75-140 hypoid GL 5 or 80-90 hypoid GL 5? The th400 has dexron III in it and the gear vendors old type J behind the t-case requires aft type F. I Googled np 205 oil type and some people use 80/90 GL 5 in summer/or all year around, aft fluid in the winter but ..., Covers New Process NP205 Transfer Cases found in Chevrolet, Dodge, Ford, GMC, and International Harvester (IHC) 4x4 vehicles from 1969 to 1993. Roberts, MT 2006. 18 pages of technical content, 8½" x 11". Available in printed version only: Printed Hard Copy (TM2002P is 8-1/2"x11") Also See: TM2000 NP205 Transfer Case Service Manual, Truck Year. 1985. Truck Model. K20. Engine Size. 5.7. After reading about 3-4 different amounts of ATF these cases take, just wondering if anyone knows for sure. My 208 puked fluid out of every seal, but it was assembled wrong, so its a wonder it wasn't worse than it was. I see to fill it til it comes out the filler plug, stop at an inch below ..., A New Process model 205 Transfer case (which is a part time, gear driven, non-chained, direct powerflow design transfer case that is housed in a cast iron body) …, I was going to change the transfer case fluids, but I'm not sure which transfer case I have. Chilton Manual says NP203 and 205 were used from 76-79. 205 is a part time and 203 is full time. 203 calls for engine oil and 205 calls for gear oil. If somebody could help me identfiy it I'd appreciate it., Chrysler's New Process Gear Division built gear drive NP205 transfer cases for 1972-1974 and 1980-1993 Dodge Trucks. The 1972-1974 version was a remote mount unit used in W100, W200, and W300 4x4 Trucks. For the 1975-1979 models years, Dodge opted to use the troublesome NP203 full time transfer case instead of the reliable NP205, but …, Locate transmission jack/adapter just below transfer case. Remove mounting bracket between frame and NP205 if one is present. Using a 9/16 th socket or wrench, remove all the bolts that connect the transfer case to the C6 rear shaft case. Note any movement between the transfer case and the C6, the RTV gasket sealant and friction should keep the ..., Mar 28, 2020 · 29K views 4 years ago. How to change the transfer case fluid in a New Process NP203 and NP205 transfer case in a 1967-1987 Chevy and GMC Pickup Truck. , The NP205 Transfer case takes 2.5qts. There has been quite a bit of discussion concerning the type of oil (gear vs ATF) from 1980 on. ... The recommended fluid type for the transfer case on a 1987 ..., Most early NP205 units came with the 10-spline, 1.25-inch front output shaft. Later ones came with a 30-spline, 1.25-inch shaft which is stronger, but it still isn't the best available. For ..., Rebuilding your GM NP205 Transfer Case is not all that difficult IF you have the right service information and at least the QT2013 Dummy Idler Shaft Tool. Use our detailed, full color TM2000 Shop Manual with Exploded Views as your easy to follow guide throughout the disassembly, inspection, and reassembly of your rugged GM NP205 Transfer Case., Transfer Case, NP205.....4.5 pints Transfer Case, NP208.....6 pints Transfer Case, NP241LD.....4.7 pints [1] Add extra oil when replacing filter. After refill check oil level. Reactions: ... The book usually gives API rating for the fluid as well as the manufactures part #, if it meets the viscosity rating and exceeds the performance I will use ..., May 22, 2020 ... ... T-case combo, to show how easy it can be. Then I put them back in and remove the drivetrain as usual. The NP205 transfer case comes out with ..., Peritoneal fluid analysis is a lab test. It is done to look at fluid that has built up in the space in the abdomen around the internal organs. This area is called the peritoneal sp..., Jun 25, 2020 · As has been discussed in previous posts, NP205 transfer cases require 80-90wt Gear oil. Sure, you could run something else. How do you put fluid in a transfer case? Locate the filler plug on the side of the transfer case. Clean the filler plug and the area around it using a shop rag; this avoids contaminating the new transfer case fluid.