Mar 6, 2011 · * 4WD Low operation mode provides an advantage over vehicles equipped with a single-speed all-wheel drive transfer case. * Electric shifting between 4WD Auto and 4WD Low provides smooth operation and improved NVH control compared to …

May 11, 2023 · 4wd Auto when the road is a mixed bag between clear and wet/icy. It'll kick into 4wd if your rear tires start to slip. 4wd (4wd Lock) when you need it to be on full time. Icy/snowy roads or sand/mud. DO NOT LEAVE 4WD ON FOR NORMAL DRIVING CONDITIONS. You'll ruin it. 2wd for normal driving 4wd low when you get your ass stuck or are about to get ...

Mar 22, 2017 · -service 4WD message came on during road trip, 4-lo did not work. Was driving through rain for a few hours-took off connector to transfer case motor, noticed some corrosion on terminals and connector (photos attached). (see bottom left connector)

Feb 16, 2021 · A typical 4wd vehicle has the following set up: RWD with an open diff. Power goes to both rear wheels, but they can spin at different rates causing power to only go to one wheel. 4WD locks the center differential. Power now goes to both front and both rear wheels. However, there is still an open diff on the front and an open diff on the rear.

4wd Auto is ok to leave on but you are spinning extra drivetrain components unnecessarily. This is probably the best for you on occasionally slippery roads. 4wd auto locks the front hubs which spins the axles. Then there is a electro mechanical wet clutch in the transfer case that behaves based on the 4wd drive mode and rear wheel slip.

Jun 28, 2019 · After some previous let downs with other used Liberty's, we did our homework and looked this one over with a fine toothed comb before deciding to purchase it. We drove it all the way home on a 400 mile trip with no issues. About two weeks later my husband is driving and the ABS, Traction Control, and SERV 4WD lights all illuminate.

Part Time 4WD: This generally refers to a system that allows the use of the vehicle in 2 wheel drive. Prior to the Active Trac system, a part time system meant a transfer case type system. AWD, All-Trac, Full time 4WD: These terms refer to a 4WD system that is always engaged. It implies the use of a center differential rather than a transfer case.

Mar 27, 2015 · A SUBJECT: 4WD Lamp Illuminated and Diagnostic Trouble Code C140F Active in Final Drive Control Modules (FDCM) Memory. You can try this but you may still have to go through the STAR case process.

With 4wd in all wheel drive, the motor running, transmission in neutral, with your foot on the brake I hear a ticking sound about 6 ticks it automatically goes into 4 low.

Nov 11, 2018 · The instrument screen shows a couple of different messages intermittently while driving. One is "to complete shift allow engine to return to idle". The other is "to complete 4WD shift speed must be below 3 MPH. Both will show up for a few minutes back and forth, then disappear for 5 to 20 minutes. I never noticed it when test driving it.