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Pete
Guest
Okay I got a 97 chevy k1500 4x4 problem. When going down the highway and shifting the 4wd to 4wd high it lights up and it engages. And then maybe 1 to 2 mins later of driving it makes a hard jerk from something, it almost feels as it slips into a lower gear or something. Not like 4wd low or nothing. But it just feels it slips to a lower gear and it makes a jerking sound loudly. What could be the problem?