The transmission and front differential share the same fluid (ATF). The transfer case (uses Gear Oil) is a separate unit.
Can you use transmission fluid for transfer case?
Most transfer cases are filled with an automatic transmission fluid, which is usually red in colour. Others use a thicker gear oil, and some use a specialized fluid that is specifically made just for that transfer case.
Should you change transfer case fluid?
If the fluid runs low or becomes contaminated, it can lead to failure of the differential. To avoid this issue, it is recommended that the transfer case fluid be changed periodically, normally every 30,000 miles, especially in vehicles that tow or use four-wheel drive often.
What happens if transfer case is low on fluid?
Difficulty changing gears – Low or dirty transfer case fluid can affect your transmission’s ability to shift gears. It can also result in your car unexpectedly falling out of four-wheel drive. … This will create loud grinding noises which may become louder when four-wheel drive is engaged.
Can a transfer case cause transmission to slip?
What happens when transfer case motor goes bad? If the transfer case fails during operation, the vehicle may be left permanently in neutral or the transfer case may bind. If the transfer case is malfunctioning electronically it can cause erratic shifts from high to low gear and from two-wheel drive to four-wheel drive.
How do you know if your transfer case is low on fluid?
If you hear grinding, growling, or humming noises that change with your vehicle speed, it may be coming from the transfer case. This could indicate a low fluid level or some mechanical problem such as bad bearings, loose chains or damaged gears.
Is Front Differential same as transfer case?
Depending on whether your vehicle is front-wheel drive, rear-wheel drive or four-wheel drive, the differential is on the front, rear or both axles. … The transfer case acts like a differential, but channels power to the two differentials on different axles rather than to two wheels on the same axle.
How much does it cost to change the transfer case fluid?
You can find the details in the “Specifications” section of the owner’s manual of your car. Changing the transfer case fluid costs form $75 to $160 in a repair shop. The transfer case should also be checked regularly for leaks. Leaks should be repaired as soon as possible.
What sound does a bad transfer case make?
Strange noises: You may hear one or more odd sounds coming from the transfer case, or from under your vehicle. These can include grinding, chattering or clicking. Any of these can indicate a bad transfer case.
What kind of fluid goes in a Ford transfer case?
Ford introduced Mercon ATF in 1987 and Mercon is the recommended fluid for most 1997 to 2007 4×4 Ford transfer cases.