1998 Ram 1500 4x4 Changing Info 4WD on its own

Asked by Jul 05, 2019 at 11:17 AM about the Dodge RAM 1500

Question type: Maintenance & Repair

My 1998 Ram 1500 4x4 wants to shift from 2WD to 4WD when I hit a bump.
Starts to make a grinding noise as I drive. As I drive I can shift from 2WD to
4WD and noise goes away. Can then shift back to 2WD while I continue to
drive  and all is well again until the next bump. If I am already in 4WD then
bumps have no impact. I have also been having A/C problems with air only
coming out of defrost vents.

1 Answer

Still looking for an answer to this question. I've taken it to several shops and no one can seem to figure this out. I can't believe I'm the only one having this issue. I do have one shop that wants to completely rebuild a transmission but my gut tells me there's something much smaller going on here.

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