How does a 4 wheel drive transfer case work?

How does a 4 wheel drive transfer case work?

It is powered by the transmission output shaft and operates much like a secondary transmission. Most 4WD transfer cases have four modes of operation: two-high, neutral, four-low, and four-high. Because the driver only engages the 4WD when needed, this type of system is called “part-time” four-wheel drive.

What should I remove from a transfer case?

These usually include: the front drive shaft, shifter linkage, 4 wheel drive sensor, and the rear drive shaft. Once these components are removed, you can then remove the transfer case. Be sure to use the heavy duty floor jack because the transfer case is extremely heavy.

What do you need to open a transfer case?

Be sure to use the heavy duty floor jack because the transfer case is extremely heavy. In order to open the transfer case you will need to remove several bolts on the outer housing of the case. Once the housing cover for case is off, remove the retaining clip slide out the transfer case oiler from the shaft.

How do you drain fluid from a transfer case?

Locate the fluid drain plug or bolt on the transfer case, and then place the plastic drip directly underneath it. Open the plug and allow the fluid from the transfer case to drain into the pan until it is empty.

How do you replace a transfer case output shaft?

Slide under the vehicle and locate the transfer case output shaft. Step 3: Pry out the drive shaft. If you have a front slip yoke drive shaft, remove the bolts to the drive shaft on the rear axle. Use a large flat screwdriver and slightly pry out the drive shaft and universal joint from the yoke on the axle.

Why is my drive shaft leaking in my transfer case?

Not much to changing a seal but without changing the bushing in the rear of the t-case housing you will probably have a leak again soon. There really shouldn’t be any play in the shaft that comes out of the transfer case that the U-joint is bolted into. The play/wear is what is making the seal leak.

Can a rear axle be installed behind an offset transfer case?

These offset axles brought the driveshaft inline with their transfer case. Individuals who install a rear axle behind an offset transfer case, or, install an offset transfer case in front of a centered axle, are in for serious vibration! So much so that it may be an immediate safety issue.

Why is there slop in my transfer case?

There really shouldn’t be any play in the shaft that comes out of the transfer case that the U-joint is bolted into. The play/wear is what is making the seal leak. I can’t move my trafsfer case by pushing on the driveshaft.

Are there any problems with the Jeep Grand Cherokee transfer case?

Dealer thought it might be the transfer case was engaged full time causing premature wear and tear on the front diff. Chrysler authorized them to pull some fluid and test. Claim everything is ok so now the dealer has been stonewalled. I have a 2000 Jeep Grand Cherokee Limited.

What happens when the transfer case output shaft fails?

If this happens, the transfer case will be rendered useless and the four-wheel drive operation will not work. Over time the transfer case output shaft seal can fail, and when it does, will display a few symptoms that will alert the driver that a problem with this system exists.

Why is my transfer case not working in my car?

The issue can be attributed to outside influences (e.g., a problem with the differential or driveshaft) or it might be due to an internal transfer case concern. There are many reasons why a vehicle’s 4WD system won’t engage or disengage.

It is powered by the transmission output shaft and operates much like a secondary transmission. Most 4WD transfer cases have four modes of operation: two-high, neutral, four-low, and four-high. Because the driver only engages the 4WD when needed, this type of system is called “part-time” four-wheel drive.

If this happens, the transfer case will be rendered useless and the four-wheel drive operation will not work. Over time the transfer case output shaft seal can fail, and when it does, will display a few symptoms that will alert the driver that a problem with this system exists.

Why does my transfer case control module hang back?

It could one of the transfer case control module symptoms if you are driving a 1999 Jimmy and it hangs back after kicking off the engine. It could happen if the TCCM sends wrong signals to the transmission. You have to change the component to solve this particular problem.

Dealer thought it might be the transfer case was engaged full time causing premature wear and tear on the front diff. Chrysler authorized them to pull some fluid and test. Claim everything is ok so now the dealer has been stonewalled. I have a 2000 Jeep Grand Cherokee Limited.

How does Atlas 2 speed transfer case work?

Atlas 2 Speed Transfer Cases are custom built to order by Advance adapters with your choice of gear ratios, tailhousings, speedometers, shifters, input and out put shafts and yokes, and transmission adapters. Competition rated components are also available upgrades.

Where are the driven gears on a speedometer?

Driven Gears: This is the gear that is on the end of the speedometer cable that plugs into either the transmission or transfer case depending on if it is 2wd or 4wd. And the Driven Gear tab lists the driven gears used for each axle ratio, specific transmission, and tire size.

Which is the best off road transfer case?

Transfer cases are the backbone to any off-road vehicle and Filthy Motorsports has you covered with the toughest and most versatile transfer cases available today.