I have a 1997 2500 turbo diesel 4x4, 463,000 plus miles on it. The transfer case runs like it's in 4H even though the shifter is in 2H. It seems to slip in and out of 4H. However, the front axle does not lock in unless the shifter is in 4H. Anybody?
t case "runs" like its in 4h ...... ? if the front drive shaft will not turn while parked in 2 H there are 2 possiable problem locations . either the t case IS in 4................... OR the front axle disconnect is NOT disconnected and the driveshaft is held/turned by the wheels .
IF parked in 2H you cannot rotate front drive shaft either jack UP BOTH front wheels and try again , or drop drive shaft off differential and try turning the shaft if either way lets it turn , then its the front axle disconect ,its not disconnecting , if it is still locked , its the t case not in 2wd .
In the 241 the only thing holding the case in 2wd is a spring on the shift rod (the internal rod). When the case is put into 4wd the rod moves the shift fork rearward (working against the spring) to engage the main sprocket to put power to the front output. When you shift back to 2wd, it relies on the spring to move the fork forward back into 2wd.. Simply moving the shifter into 2wd will not disengage the front output. If the driveline is in a bind, it will remain in 4wd until the spring can move the fork. So, one possible cause would be that the spring is broken or collapsed.
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