1998 Dodge Ram truck goes out of 4wd when driving

1998 DODGE RAM
24,400 MILES • V8 • 4WD • MANUAL
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JMH1980
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  • 1 POST
this truck is a farm vehicle with 244,000 miles, when it is in 4wd and seems to be when turning left its goes from 4wd to 2wd along with a popping noise. i have replaced the actuator along with the 2 vacuum pods. i have checked vacuum routing, i believe it may have something to do with an axle because of the pop noise. any help would be appreciated. thank you
Oct 20, 2009 at 11:26 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
There is a slide that engages the 4wd at the axle via vacuum. Based on the mileage, either the slide is bad or the splins on the axle. That would be my guess.
Oct 22, 2009 at 10:22 AM
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