Those who possess a four-wheel-drive
vehicle, they do not only have to deal with a transmission, but also with a
transfer case. In the absence of a transfer case, your vehicle will unable to
switch from two-wheel to four-wheel drive mode.
Let’s explore more about what a
transfer case does, basic problems and their maintenance with the experts of Mantrans.
Purpose of a Transfer Case
The role of this component is to
allocate engine power to all four wheels. While driving a car, the front and
rear wheels are unable to move at the same rate of rotation. Usually, this
wouldn't be a problem if your car is powered by only two wheels. However, the
case is not the same when the truck or car needs to be powered by all four
wheels. What the transfer case does is attach both the front and rear axles and
coordinates their speed of rotation.
Types of Transfer Cases
Transfer cases were initially divided
into two different versions and i.e. part-time and full-time. In part-time
versions, you are allowed to switch from two-wheel-drive to four-wheel-drive
when required. This could either possible by locking the centers or doing it
on-the-fly from inside the car or truck.
Full-time versions are in
four-wheel-drive continually and carry instruments to compensate for driving on
hard, smooth surfaces such as a highway. Few fresher vehicles possess a hybrid
or computer-controlled system which can easily change between two-wheel and
four-wheel drive depending on the road conditions.
Common Transfer Case Problems
With time, transfer cases can
obsolete and break down, all depend on how you utilize your vehicle. Majority
of the problems show up as almost similar to the following four symptoms.
• Leaking seals
Similar to transmission, the transfer
also consumes a lubricant in order to keep parts running smooth and seals
working accurately. With time, these seals may wear and dry out and start
leaking. If you're not alert, you possibly lose fluid in great quantity to
cause insufficient lubrication and loss to the internal components.
• Popping out of gear
Popping out of gear is a symptom of
serious core problems. It shows that your gears have worn to the edge where it
can't keep the car in either two-wheel or four-wheel drive. The problem often
arises on regularly as the gears wear out over time.
• Strange noises
Similar to popping out of gear, odd
noise is a symptom that a part is damaged or lacks lubrication. If you possess
a chain-driven transfer case, it may possible that your chain is broken,
strained or misaligned.
Motor failure
In a few latest vehicles, you will
find a motor that makes shifting in and out of four-wheel drive stress-free.
It's common in automobiles with advance-controlled, road-sensitive shifting
systems. If the motor stop working, then it will be impossible to get into
four-wheel drive when you actually need it.
Transfer Case Maintenance
Transfer cases are usually do not
create trouble, however, they do require maintenance on regular basis. The main
maintenance that almost all transfer cases required is a fluid change.
Similarly, like engine oil, fluid can get polluted over time as additives break
down and lose their efficiency. The maintenance break depends on your
manufacturer's reference. If you utilize your vehicle for pulling, you actually
required to increase your fluid change interval.
Final Words
The experts of Mantrans encourage you to explore more about what kind of transfer
case you have and its maintenance as it will help you use it efficiently and
keep it working in a good condition in the long run. However, in case you find
problems with getting your automobile to run in four-wheel drive, then it's
advisable to take it to experienced professionals.
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