Shifting into 4wd will exercise the shift motor on the t-case. Even in 2wd, the t-case is always turning, spinning the fluid. Same goes for the front axle, axle shafts, and driveshaft….they will spin driving in 2wd due to the fluid dynamics. If you have tips or questions on working-out the four-wheel-drive system in your modern Ford F-250 or The first thing you need to do is select the low range. To do this, press the button or shift lever on your Liberty that reads “4H” or “Hi”. The 4H position is for High Range, and the other position on your Jeep will be LOW range. If you have a newer model of Jeep Liberty (2004 model), then there should be a knob located under the AWD systems also typically use a center differential (there are many different types) that enables the front and rear wheels to operate at different speeds. When an AWD system is front-biased, it means the vehicle distributes more torque to the vehicle’s front wheels than rear wheels. Of course, then when the system is rear-biased, it Musoke David. In my experience of training career fleet drivers, I have found it useful to first describe the concept of four wheel drive before attempting to explain how it works, how to use it Just as 4WD High locks the front and rear axles together, the rear diff lock connects the rear end side-to-side. That means that if one side loses traction, the opposite side keeps spinning . 4 days ago · Destination Charges are associated with getting the vehicle from the manufacturer to the dealership. Prices listed are MSRP and are based on information updated on this website from time to time. These helpful videos will explain how your Four-Wheel Drive (4WD or 4X4) or All-Wheel Drive system works.Four-Wheel Drive for TrucksAll-Wheel Drive How does four-wheel drive work? Like AWD systems, 4WD is designed to maximize traction front and rear. But 4WD systems tend to be more robust than AWD ones and can generally handle more rugged Command-Trac 4×4. In all Wrangler and Wrangler Unlimited Sport, Sport S and Sahara, the Command-Trac 4×4 system uses a NV241 GII transfer case that helps retain traction in slippery or off-road conditions. The Command-Trac shifts on-the-fly with a 2.72:1 low range. This ratio is perfect for flat towing or rock crawling with the Wrangler. Differences of 4WD Lock and 4WD Low. 1. Features. 4WD Lock drives with both front and rear axles at the same time and is capable for high speed driving at 40-50MPH. It requires less torque as it focuses more on speed and has center differential lock, and does not engage in cross-axle locking. Just make sure wheels are nearly dead straight and you are not slipping. If it seems to engage or disengage hard using a slight application of throttle will help. Usually the safe high speed is around 50MPH or so. Basically if you need 4wd and need to go faster than 50-60MPH then something is wrong.

how does 4wd auto work