Tell Me The Difference Betwee These 2 Vs 4x4

150,000 MILES • V8 • 4WD • AUTOMATIC
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BHAMDOC1973
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A simple explanation please?
Nov 18, 2022 at 4:20 AM
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CARADIODOC
  • ✓Experienced Mechanic
  • 34,413 POSTS
In 4-wheel lock, the front and rear driveshafts are locked together all the time. Avoid that when driving on dry pavement as it puts a lot of stress on the transfer case.

4-wheel auto leaves the two driveshafts unlocked until their speeds differ due to a spinning tire, then they lock up momentarily. You are unlikely to feel the engagement, but it makes going through deep snow a lot of fun.
Nov 18, 2022 at 7:45 AM
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