Originally Posted by troverman

I guess, if a user decided to do some mudding while staying in 4-auto mode, the clutch could overheat. It would seem the owner's manual would advise using "4-Hi" for this type of situation which would theoretically avoid slipping the clutch as much, if at all. The clutch must be fairly strong when in "locked" position given that it is used to transmit torque when the transfer case is in 4-low.

Originally Posted by windellmc

There are lots of Ram owners reporting the clutch does not lock until the vehicle starts moving. When starting from a stop it is rwd only. This is in 4wd lock mode. People have had the clutches overheat in 4wd lock mode and not because they got mud in their transfer case.

Originally Posted by AlaskanEx

I think you have your years mixed up.

In 2012 they started offering the A4x4 on lariat and up trucks. This system is the same in how it works as the 2011 Harley/Limited trucks, exception being that they did not have a low range function.

The way the system works though is the same, front hubs engage and the clutch in the transfer case dictates when the front gets power.


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2-speed Automatic 4WD System (1)

• Optimizes traction by transferring power to the appropriate wheels when needed
• The system provides four available modes of operation and is activated by using a rotary switch on the instrument panel
2H (HIGH)
• Vehicle operates as a rear-wheel-drive vehicle
when 2H is engaged
• Helps vehicle provide optimal fuel economy
4A (Automatic Four-Wheel Drive)
• Set-and-forget function provides four-wheel-
drive capabilities when needed
• Under normal road conditions, most power is sent to the rear wheels
• As road conditions require, engine torque is sent to the front and/or rear wheels to help maintain optimum traction
• Setting is appropriate for any driving, whether on dry pavement or in adverse conditions

4H (HIGH)
• Setting provides electronically locked four-wheel- drive power to both the front and rear wheels for use at normal speeds on low-traction surfaces
• Intended for use only in severe weather and off- road conditions including snow, ice, sand or mud
• Setting should never be used on dry pavement
4L (LOW)
• Setting provides four-wheel drive with full power to both the front and rear wheels and includes
a lower gear reduction ratio for increased torque multiplication to all four wheels
• Intended only for off-road applications that require extra power including deep sand, steep grades or when launching or pulling a boat out of water
• Setting should never be used on dry pavement
(1) Include on Lariat 4x4 models and above. July 2011.




So is this how the 2000 Silverado works.? When I put it in four Auto, it binds always on turns. I was hoping it wouldn't bind on dry pavement because it would select two-wheel high. If so what's wrong with my vehicle that's causing it to bind in 4auto?


https://www.borgwarner.com/en/news-m...the-ford-f-150