1998 GMC Suburban clicking under truck

Tiny
WFRANKLIN011
  • MEMBER
  • 1998 GMC SUBURBAN
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 221,000 MILES
There has been a clicking sound that comes from under my truck. I thought it was my differential cause it was leaking oil. So I replaced the seal and gear oil but sound still happens. I Thought it may be the universal joints but I changed those also. The sound only occurs around 20mph when coasting. I have leaned out the truck some and listened its definitely under the truck but don't know what it is. Any ideas?
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Sunday, November 2nd, 2014 AT 9:38 AM

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Tiny
FREEMBA
  • EXPERT
Raise the front wheels off of the ground, make sure that it is not on 4WD. Spin the wheels by hand to see if the sound is there. If so, you can track it down by checking the area where the sound comes from.
You can also do this on the rear wheels (just remember to put the vehicle in neutral and the rear wheels are off of the ground.
Let me know what you find out.
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Sunday, November 2nd, 2014 AT 10:59 AM

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