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Loud clunking noise in 4X4

Tiny
SLOPEZ
  • MEMBER
  • GMC C1500
I have a 89 Chevy K1500 long box. When I put it in 4H or 4L it makes a loud clunking noise. I am not sure if it is staying locked into 4x4. It has the automatic hub locks, so I don't know if that could be the issue. It drives fine in 2wd with no noises. In 4L is seems it is trying to kick out of 4L and sometimes ends up being in the Neutral setting. Transfer Case? Axle problem? Hub issue? Any advise would help. After a little more investigation I have found that the loud clunking noise is only happening when the wheels are turned. It does not matter if the wheels are turned to the left or right. If the wheels are straight the clunking noise stops. I am guessing this would eliminate the transfer case or the driveline as the source. Any words or wisdom?
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Sunday, January 22nd, 2006 AT 8:59 AM

4 Replies

Tiny
PALCO
  • MEMBER
  • 83 POSTS
Drive line. Transfer case chain drive. Auto hubs. Ring and pinion. U-joint in the steering knuckle. Take out the drive line. Then engauge the transfer case if there's still a clunck you know what direction to go. Good luck
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Sunday, January 22nd, 2006 AT 10:36 AM
Tiny
KAZOO2281
  • MEMBER
  • 12 POSTS
Sounds like splines on front drive shaft are worn out had a 92 chev sivlerado 4x4 had it in 4 hi and heard a pop. Splines were gone
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Sunday, January 22nd, 2006 AT 6:21 PM
Tiny
SLOPEZ
  • MEMBER
  • 2 POSTS
Any info.
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Wednesday, February 1st, 2006 AT 1:59 PM
Tiny
CHEVY350GUY
  • MECHANIC
  • 109 POSTS
Check u joints in front axle for play
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Thursday, February 2nd, 2006 AT 11:31 AM

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