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Topic: Transfer case


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4x4

  
  Transfer case - Wikipedia, the free encyclopedia
A transfer case is a part of a four wheel drive drive system found in four wheel drive and all wheel drive vehicles.
The transfer case is connected to the transmission and also to the front and rear axles by means of driveshafts.
Sometimes a "married" transfer case is an integral part of the transmission and the two components share the same housing.
en.wikipedia.org /wiki/Transfer_case   (600 words)

  
 Transfer Case
A transfer case is unique to 4 wheel drive vehicles, and is what directs power to both ends (axles) of the vehicle through two separate driveshafts.  2 wheel drives don’t need a transfer case as the driveshaft comes directly out of the transmission to the drive wheels.
The transfer case is attached to the rear of the transmission and gets its input directly from the transmission.  Power is directed from the engine through the transmission and then through the transfer case to either the rear wheels or both the front and rear wheels.
As the transfer case accepts input from the transmission, and the Hi-Lo range selector is in the “Hi” position, the transfer case uses the highest gear ratio.  This ratio is usually near or exactly a 1:1 ratio.
www.bb4wa.com /articles/TransferCase.htm   (685 words)

  
 Dodge Ram Transfer Case Specifications
The shift lever is connected to the transfer case range lever by an adjustable linkage rod.
On the NV transfer case, the gear cases, retainer, and extension are all of aluminum.
The synchro components allow the transfer case to be shifted between 2H and 4H ranges while the vehicle is in motion.
dodgeram.org /tech/specs/tranfer_case.htm   (565 words)

  
 Swap your Eagle's Transfer Case
New Process (now New Venture) cases are easily identifiable by a red tag riveted or screwed into the backside of the transfer case near the oil fill hole.
For purpose of this exercise, I consider a full-time case one which can be driven in 4wd on dry pavement, and a part time case (high lock) one which cannot be driven on dry pavement in 4wd, regardless of whether or not the vehicle has a two wheel drive option.
Unlike the Eagle, these cases use a lever to engage 4wd, which then opens a vacuum port on a switch located on the transfer case which connects the front axle.
www.n0kfb.org /homepage/amc/tech/transfer_case/swap   (2670 words)

  
 Novak Conversions - The New Process 231 Transfer Case
This transfer case was later to be called the NVG (New Venture Gear) 231J, this transfer case.
This transfer case is identified by its red and silver tag on the rear of the case.
The 231 is possibly the simplest of all the Jeep transfer cases to rebuild.
www.novak-adapt.com /knowledge/np231.htm   (970 words)

  
 ROCKCRAWLER.com - JB Conversions Short SYE Kit for 231 Transfer Case
The pump should stay on top of the rear case half as the rear case half is lifted off of the front half because the pump is connected to a pickup tube and a screen inside the rear case housing pulling the pump up can crack the tube or the pump itself.
I installed the main shaft and the shift fork back into the front half of the transfer case then looped the chain (in my case the new wide chain) around the sprocket that is part of the front output shaft (or the new front output shaft in my case) and the main sprocket.
A trick here may be to reinstall the transfer case in the vehicle and then torque the yoke nut down (on both the front and rear output shafts).
www.rockcrawler.com /techreports/jb_short_sye/page2.asp   (3111 words)

  
 Transfer Case Issues
The hot transfer case fluid gives up it's heat to the outside of the heat exchanger and the transmission fluid running inside the heat exchanger carries the heat away to be rejected to the air in the transmission fluid cooler above the engine radiator.
Holding the ends of the tubes inside the case while the nuts are torqued on the outside of the case will eliminate this possible source of stress on the exchanger.
Torque is transferred from the main shaft in the t-case to the front output shaft via a "silent" or timing type chain and sprockets.
www.thehummerclubinc.com /abouttheclub/articles/tcase/TCaseIssues.htm   (1463 words)

  
 Chevy SFA Transfer Case Guide - Chevy/GM at Off-Road.com
The overall length of the NP203 case is 22"-23" from the face of the case to the rear output yoke's center.
The overall length of the NP205 case is 12"-13" from the face of the case to the rear output yoke's center on fixed yoke models.
Divorcing involves separating the transfer case from the transmission, mounting the transfer case at the center of the area between the front and rear axles, switching the transmission to a two wheel drive model, running a small driveshaft from the transmission to the transfer case, and moving the linkage to work properly.
www.off-road.com /chevy/tech/transfercaseguide   (1299 words)

  
 Novak Conversions - The Dana Spicer Model 20 Transfer Case
The Dana 20 is a cast iron transfer case, having a passenger-side front output and a centered rear output.
The reader should be aware that these were the transfer cases that were found in the Jeep J4000 one-ton truck, where they perform most admirably.
We've discussed the Dana 20 case casting with individuals and a couple have mentioned that Dana cast three or four different thicknesses depending on whether they were slated for an HD J Truck, other FSJ, Commando or CJ.
www.novak-adapt.com /knowledge/model_20.htm   (1355 words)

  
 Short Throw Transfer Case Shifter
Remove the 4 bolts holding the shift lever to the transfer case and carefully remove it (there may be a sealer holding it to the case).
On the V6 transfer case shifter, there is a spring clip at the base of the shifter, this needs to be removed before installing the spacer.
Install the riser block, any shim that was present and finally the shift lever into the transfer case, being sure to properly align the lever and stab the shifter end into the transfer case linkage.
www.4crawler.com /4x4/ForSale/ShortThrowShifter.shtml   (1408 words)

  
 Case Study
The meaning of the EU's ruling in the Bosman case is that the transfer fee for players with expired contracts was aborted and clubs may not ask for such a development fee of any kind.
Essentially, the situation in which the transfer of a minor would be permitted is when the family of the player moves to a new country.
In cases where there is a breach of contract (for a player of any age), the football bodies propose the introduction of a new arbitration system.
www.american.edu /TED/soccertrade.htm   (5633 words)

  
 Beefing the NP231 Transfer Case
Exploding your truck's transfer case can really be a drag, whether you're on the trail or just flat-towing your 4x4 down the road.
The NP231 transfer case found in many late-model Jeep, Dodge, and GM vehicles has a fairly good reputation for a chaindriven, aluminum-cased unit, but improper towing procedures can cause it to explode, and some of the internals are iffy for big tires and lots of torque.
This notch in the case half is the result of a worn-out and loose drivechain eating away at the aluminum as the chain flops around.
www.4wheeloffroad.com /howto/3103   (1305 words)

  
 TRANSFER CASE STUDIES: DIAGNOSING GM's 4WD SYSTEM Motor - Find Articles
The transfer case module data can be accessed with a scan tool such as the Tech 2, which is GM's official scan tool.
The dash-mounted transfer case mode control is a set of normally open switches that vary the voltage supplied by the transfer case module when closed.
The transfer case mod- ule sends 8 volts to the switches, then monitors the return circuit to deter- mine whether any of the switches is depressed.
www.findarticles.com /p/articles/mi_qa3828/is_200406/ai_n9424000   (937 words)

  
 Flipped Dana 300 Transfer Case
The large gear inside the case holds the bearing stationary (it is larger than the hole in the other side of the tcase) as the shaft is driven down.
The second case mod required for the flip kit was to cut the shifter section off of the front output housing.
The last case modification necessary for the D300 flip kit is to plug the old vent hole in the rear output housing.
homepage.mac.com /rv6a/d300.html   (1336 words)

  
 High Impact - NP205 Tcase Data Sheet
The NP205 gear driven transfer case is considered by many to be the king of bulletproof.
Later applications of this case appear to use a short adapter to bolt to the front of the Tcase, and has the 6 bolt circular pattern found on the transmission tailhousing adapter.
The inner shift rail is located inside the front mounting bolt circle: In some cases (such as a Klune underdrive) the housing of the gearbox does not allow a linkage rod to be directly connected to the rail.
www.high-impact.net /transmission_and_gear/Tcase_NP205.htm   (1324 words)

  
 1356 Borg Waner Electric Shift Transfer Case
One of which was the replacement of the 1345 transfer case with the much stronger and heavier duty Borg-Warner model 1356.
This was a NOS 1356 transfer case which we had taken apart and inpspected before purchasing.
In fact, Mike told us that usually they just cut the wiring when the transfer case and transmission are removed.
www.projectresponder.com /1356-transfercase~3~12.htm   (537 words)

  
 Installing the TeraLow Gearset on a Dana 20 Transfer Case - 4 Wheel Drive & Sport Utility Magazine
With all the gears removed from the case, the shift forks were removed from the shift rails by removing the set screws in the forks.
To begin reassembly, the front housing was bolted onto the transfer case housing, and the new shift rail and yoke seals were installed.
With the intermediate gear held in place in the case, the new intermediate shaft was tapped into the bores in the case using a mallet.
www.4wdandsportutility.com /tech/02074wd_dana20_transfer_case   (1146 words)

  
 Jeep Grand Cherokee WJ - WJ Four-Wheel Drive Systems
On-demand; utilizes a gerotor coupling in the Quadra-Trac II transfer case and in the Vari-Lok front and rear progressive axles to send torque to the front driveshaft and/or from side-to-side within each axle when wheel slippage occurs; includes low-range (2:72:1) single-lever transfer case mode operation.
A differential in the transfer case is used to control torque transfer to the front and rear axles.
A circular ID tag is attached to the rear case of each transfer case.
www.wjjeeps.com /tcases.htm   (1093 words)

  
 TRANSMISSION/TRANSFER CASE
The excessive noise does come from the transfer case and it also generates a lot of heat, and is not recommended to be towbared without disengaging both axles or removing both driveshafts.
Keep in mind, however, cases that originally had the 1-1/8" intermediate shaft and caged rollers may have been machined to accept the 1-1/4" shaft and uncaqed rollers, because of the superiority of this later style bearing.
The body of the transfer case appears to be about the same shape as mine but the rear output for the axle is coming out where my OD bolts up.
www.willystech.com /faqs/Breakout/TransmissionTransfercase.html   (9309 words)

  
 Marlin Crawler
It is this design which separates Toyota's transfer case from the rest.
And since the case is uniquely comprised of four pieces, we are easily able to obtain a lower crawl ratio.
In High range, these gears are bypassed and the overall transfer case ratio is 1:1.
www.marlincrawler.com /htm/transfercase/gearvschain.htm   (216 words)

  
 [No title]
Using a brass or rawhide hammer, drive the mainshaft output shaft to the rear of the case until the rear bearing race is driven from the case.
Place a small pry bar or large screwdriver between the case and the output shaft gear (the gear on the clutch shaft side of the case).
Once the case is built, I would then give it 24 hours for all of the sealant to cure before filling with oil.
www.willystech.com /wt/Model18TCase/Model18TransferCase.html   (9256 words)

  
 New Venture Gear - Transfer Cases
New Venture Gear is the world's largest supplier of transfer cases and the global leader in four-wheel-drive technology.
When a speed difference is detected, a computer signals the transfer case clutch pack to engage.
When traction is lost by one of the driving wheels, power is automatically transferred to the other axle.
www.newventuregear.com /tcases.html   (203 words)

  
 Atlas II Transfer Case and Klune-V Gears - 4 Wheel Drive & Sport Utility Magazine
The aluminum case is thick and durable, unlike many modern aluminum T-cases, and it is stronger than stock Jeep transfer cases, without the brutal weight of the older cast-iron boxes.
This box is one of the best in the dual transfer case group; however, it is not a transfer case at all.
It is a purpose-built gear reduction unit designed to bolt in between the transmission and transfer case of a four-wheel-drive vehicle.
www.4wdandsportutility.com /tech/03094wd_klunev_transfer_case_gears   (1752 words)

  
 Hummer - Repalcement of the Transfer Case   (Site not responding. Last check: 2007-10-12)
Just in case you want to know just what is it like to change a transfer case out, I can tell you.
He had blown a hole on the bottom side of the case and it was clear that the chain broke and got wedged between the gears and the case.
He had ordered a new transfer case for his 97 Hummer, and in a little over a week it was here in Houston.
www.redhummer.com /myhummer/transfercase/index.html   (627 words)

  
 Jeep NV3550 Transmission & NP231 Transfer Case Service
Changing your Jeep's transmission and transfer case fluid should be done as part of your routine 30,000 mile tune-up service and/or after doing a deep water crossing.
Place an oil catch pan under your transfer case and then remove the lower drain bolt again using the same 30mm socket or 10mm allen bit that you used for the fill bolt.
Using a yorker spout on the bottle or a bottle pump to assist you, fill up your transfer case with ATF+3 until it begins to ooze out of the fill hole and then re-install the fill bolt making sure to tighten it down to 15-25 ft. lbs.
www.4x4xplor.com /trannyservice.html   (1279 words)

  
 Tips, hints, diagnose: replace your transfer case, info, product pricing
We are Transfer Case Express, Inc. and we specialize in American transfer cases.
We currently have two rebuild centers where new and rebuilt American transfer cases are available.
We are a wholesale house supplying transfer cases to transmission shops, repair shops, and car dealerships (new and used).
www.transfercases.com /tips.info.htm   (312 words)

  
 IH TRANSFER CASE INFO
Transfer Cases used for other IH vehicles are:
The part number for the TC-140 transfer case assembly 148970R91 is replaced by
227639R91 which is the assembly number for the TC-141, NP 202 transfer case.
members.aol.com /eldonmcf/tcase.html   (307 words)

  
 Case Western Reserve University - Transfer Students
Case may be just the place for you to continue your education.
Credit transfer for work done at institutions outside the United States is subject to departmental evaluation and to the recommendations of the National Council on the Evaluation of Foreign Credentials.
Case Application for Financial Assistance: Submit to the Case Office of Financial Aid along with a financial aid transcript from each college you have attended even if you did not receive aid there.
admission.case.edu /admissions/application/transferAdmission.asp   (1076 words)

  
 Transfer Case - Free Shipping at 4WheelersSupply.com
The transfer case is what splits your power between front and rear axles.
The transfer case is mounted to the transmission.
The job of the transfer case is the split the power between the front and rear axles.
www.4wheelerssupply.com /catalog/index.php/cPath/470_497   (358 words)

  
 Quadratrac Transfer Case
The case is aluminum, chain-driven, in stock version - with limited-slip central differential (fully lockable from the cab, via vacuum motor).
Milemarker makes a part-time conversion kit for this transfer case, which replaces the differential carrier with a spool.
Front half of the transfer case with the front driveshaft yoke (left) and transmission output shaft.
www.t-r-j.com /Auto/QT/quadratrac.htm   (999 words)

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