93 S10 4 wheel drive problem "UPDATE"
have a 4.3 ltr. automatic, s10 pickup (93) with the 4 wheel drive selector on the floor it has a shift "lever", as opposed to the ones with the switch mounted on the dash (button). Its not been drive...
Forum Discussion
Your S10 probably has a vaccuum actuator for the front axle. Some Googling says it's under the battery. My brother had a '95 that lost 4x4 because some acid leaked and ate a hole in it. Check it and any hoses connected to it.
