When I engage four wheel drive, it makes a clunk sound

Tiny
CARL EASTEP
  • MEMBER
  • 2006 FORD F-150
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 146,000 MILES
Louder under immediate pressure. Quieter and maybe a few times if I engage early before under pressure. Also, how fast can I be going to engage four wheel drive and how fast can you drive in four wheel drive?
Sunday, March 28th, 2021 AT 11:51 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,904 POSTS
This can be normal because the transfer case does make noise when operating. Also it could be a bad U joint in the front driveline. Can you please shoot a quick video with your phone so we can hear the noise? That would be great. You can upload it here with your response.
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Monday, April 12th, 2021 AT 12:17 PM

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