Can a bad transfer case cause no gears?
Trouble Shifting Gears One of the most immediate and troubling signs of transfer case problems involves difficulty in shifting gears. You may notice a hesitation to engage with particular gears. In other cases, the issue has to do with a damaged or leaking transfer case output shaft seal.
What happens when transfer case goes bad?
If the seals leak, fluid escapes and is no longer able to properly lubricate the interior components of the transfer case. Eventually the parts inside will wear out and overheat. If this happens, the transfer case will be rendered useless and the four-wheel drive operation will not work.
What causes a transfer case to not engage?
A faulty transfer case switch can cause the 4WD front axle to not engage properly. This sounds like your best bet.
How can I tell if my transfer case is working or not?
The chart at left shows the proper contact plate status for each shift motor position. If the motor is reporting the wrong position, the transfer case will not shift to the selected mode. It’s easy enough to check if the motor is working by removing it and watching it operate while an assistant works the switch.
Why does transfer case not engage 4WD Hi?
If the switch in the transfer case, which sends the signal to the actuator to enguage is malfuntioning, then it is a good bet that when you hit 4hi, the TC will shift and spin that front drive line, but not send a signal to the actuator to enguage.
Why is transfer case not shifting to selected mode?
If the motor is reporting the wrong position, the transfer case will not shift to the selected mode. It’s easy enough to check if the motor is working by removing it and watching it operate while an assistant works the switch. These motors do malfunction on occasion and are the most common cause of the transfer case not shifting.