Horrible screeching sound when in 4x4

skidxr · 12-10-2005, 05:35 PM

I think this sound is coming from the front driveshat.. Not the u-joints but inside the driveshat.

I put it up on stands and engaged 4x4.. Indrive with the wheels spinning you hear a clanking sound,, very metalic sounding. If I apply just brakes softly so as to let the wheels just move, you hear what sounds like your killing a cat. It is just this screeching sound from ****. I got under it and listened and I think it is coming from inside the front driveshaft...

Am I crazy? I didn't think there would be anything in a driveshaft that could make noise..

1989 K2500.. Automatic.. 350.. new u-joints.. axles.. etc..

skidxr · 12-12-2005, 12:37 PM

still can't find it

mrjohnwayne · 12-12-2005, 06:01 PM

I'm not sure but i would suspect front differential. Try checking it with the truck up on stands while in neutral without the motor running. Try it in 2 wheel drive and 4 wheel drive. Rotate either front wheel and see if you are still gettin noise under both circumstances.

12-10-2005, 05:35 PM	#1
skidxr Junior Member Join Date: Dec 2005 Posts: 8	Horrible screeching sound when in 4x4 I think this sound is coming from the front driveshat.. Not the u-joints but inside the driveshat. I put it up on stands and engaged 4x4.. Indrive with the wheels spinning you hear a clanking sound,, very metalic sounding. If I apply just brakes softly so as to let the wheels just move, you hear what sounds like your killing a cat. It is just this screeching sound from ***. I got under it and listened and I think it is coming from inside the front driveshaft... Am I crazy? I didn't think there would be anything in a driveshaft that could make noise.. 1989 K2500.. Automatic.. 350.. new u-joints.. axles.. etc.. Last edited by skidxr; 12-12-2005 at 03:54 PM.*

12-12-2005, 12:37 PM	#2
skidxr Junior Member Join Date: Dec 2005 Posts: 8	still can't find it Last edited by skidxr; 12-12-2005 at 04:28 PM.

12-12-2005, 06:01 PM	#3
mrjohnwayne Moderator Join Date: Apr 2005 Location: Texas Posts: 3,220	I'm not sure but i would suspect front differential. Try checking it with the truck up on stands while in neutral without the motor running. Try it in 2 wheel drive and 4 wheel drive. Rotate either front wheel and see if you are still gettin noise under both circumstances. __________________ John Wayne 2000 F-350 7.3L Powerstroke 4x4

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