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Transfer Case Repair
Simple Tips To Fix Your Transfer Case
Transfer case is generally found in all the four wheel drive vehicles, but it is also found in other wheel drive vehicles. It is connected to the rear and front axles and also to the transmission, with two drive shafts supporting it. The transmission is aimed at providing support to the transfer case and it also serves as a link to both the axles. Usually this is done with a gear. The transfer cases that are being manufactured nowadays are chain driven. Sometimes it is controlled by the driver, but many a times they are electronically operated with the help of a switch. The transfer cases found in sports cars and other such vehicles are non selectable and are permanently locked.
There are various varieties of transfer cases. Manual transfer case, chain drive transfer case and (ESOF) Electronic Shift On-the-Fly transfer cases. Manual transfer cases feature a selector lever that is placed near the driver's seat. It may have two manual front axle hub selectors or it may have two sealed automatic front axle locking hubs. If you wish to engage or disengage it, it is recommended that you stop the vehicle completely. In a Chain-driven transfer case a chain is utilized to drive the front axle alone, nonetheless it has the potential to drive both the axles. As compared to the gear driven transfer cases these transfer cases are a bit lighter as well as quieter. (ESOF) Electronic Shift On-the-Fly transfer cases come with a dash-mounted switch with front sealed automatic securing axle hubs.
Some Of The General Causes Of Transfer Shift Failure-
- Leaking seals and case halves
- Irregular maintenance and negligence.
- One of the most common causes of transfer case failure is overloading, overheating and other such actions.
- Another most common cause is the deterioration of mechanical components.
Leaking transfer case is one of the most common problems and it needs to be fixed as soon as it is detected. A leaking transfer case can even damage your transfer case completely if it is not repaired fast. That's not enough, if the leak gets locked up inside, it may cause great trouble for your transmission system.
Moreover, it is quite easy to figure out a damaged transfer case. All you need to do is follow certain easy tips, but it is recommended that a mechanic should be consulted for further assistance.
First of all, jack up your vehicle, safely crawl inside and locate the catalytic converter. Look for the floor pan, if you see any fluids or if it is wet then this clearly indicates that there is a leak.
How To Fix The Transfer Cases
- Safely remove the down pipe, in order to fix the transfer case. Now look out for the mounting point of the transfer case that is highlighted with white line. You will also notice the drain plug that has a purple arrow attached to it, and a fill plug that has a red arrow. Carefully take the case out of the car for better visibility. Now a 24mm socket is required to grain the case from the drain plug located on the base.
- It is not important to take the transfer case out, but it is generally recommended to check the output and input linked with the bearing grease, because the factory grease can dry out without providing any protection for the wear.
- Now if you wish to seal the yoke, you need to drag the whole drive shaft. Then unscrew the four bolts attached to it and do not forget to unscrew the two carrier bearings. Now pull out the drive shaft.
- Now all you need to do is just clean it out and safely apply a coat of RTV on the bottom plug. Insure that RTV reaches to splines as well. Before reinstalling the transfer case and filling it with fluid, let the RTV dry completely otherwise it may leak again.
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