How many miles will a transfer case last?
It is recommended that your transfer case fluid should be changed every 30,000 miles, so your seals should be inspected during this time for any signs of wear.
What makes a transfer case go bad?
Commonly, a transfer case will fail due to a low fluid level caused by leaks, a lack of maintenance or regular wear and tear. It’s important to address fluid leaks right away to prevent internal transfer case damage. It’s important to know that symptoms of transmission failure can mimic those of a bad transfer case.
Is the transfer case part of the transmission?
Sometimes a married transfer case is an integral part of the transmission and the two components share the same housing or “case”, as is commonly found on recent Subaru products and some other all-wheel-drive cars. A divorced or independent transfer case is completely separate from the transmission.
When do you need an independent transfer case?
Independent transfer cases are used on very long wheelbase vehicles, such as commercial trucks or military trucks. This setup is also optimal for modified 4×4 because it’s easier to change engine and transmissions, preserving the original 4WD system.
What are the low range gears on a transfer case?
Low range gears are engaged with a shifter or electronic switch. On many transfer cases, this shifter is the same as the one that selects 2WD or 4WD operation. Low range gears allow the vehicle to drive at much slower speeds while still operating within the usable power band / RPM range of the engine.
How does an electronic shift on the fly transfer case work?
Electronic Shift On-the-Fly (ESOF) transfer cases have a dash-mounted selector switch or buttons with front sealed automatic locking axle hubs or drive flanges.
Is it normal for a transfer case to fail?
Transfer cases in some makes and models are known for frequent failure, even in the first 50,000 miles. However, this is not typical of a well maintained transfer case in a vehicle driven in a non-aggressive manner.
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 much does a transfer case cost?
The average cost for a transfer case replacement is between $2389 and $2500.
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.