four wheel drive front axle fails to engage?

2002 CHEVROLET SILVERADO
45,000 MILES • 6.6L • V8 • TURBO • 4WD • AUTOMATIC
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PMAN23
  • MEMBER
  • 1 POST
the front axle fails to engage. Last time four wheel worked the dash indicator(4wd) did not turn off when the floor shifter was disengaged. now when floor shifter is engaged the drive line locks in but diff. does not and dash light does not come on
Jan 20, 2015 at 4:33 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
see if encoder motor on tcase is getting power when it's shifted if it is then it's probably bad
Jan 20, 2015 at 5:24 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,676 POSTS
Yep, the front differential actuator go out on these trucks, here is the location so you can change it out which should fix the problem. Check out the images (below). Please let us know what happens.
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Oct 13, 2024 at 5:03 AM
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