Question about 1998 Chevrolet K1500

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I have a 98 Chevy Silverado, 5.7, 4X4. The 4X4 will engage but it

Starts making a clicking sound and gets faster as you get faster and of course the clicking gets slower as you get slower. The 4X4 does still work. When I go back to 2 wheel drive it goes away. What can I do to fix it? Thanks, Scott

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  • 98chevy Feb 05, 2009

    It sounds like it is coming from the transfer case, I did take off the front drive shaft and checked the U joints, they were fine.
    Thanks in advance. Scott

  • 98chevy Feb 05, 2009

    It sounds like it is coming from the transfer case, I did take off the front drive shaft and checked the U joints, they were fine.
    Thanks in advance. Scott

  • 98chevy Feb 05, 2009

    Thanks, I'll check it out!!

    Scott

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Can you pinpoint where the clicking is comming from, is it from the tranfer case , front differancial, front hubs? From your discription, it sounds like something maybe is not engaging all the way, Have you checked any of the U joints on the front drive shaft?

Posted on Feb 04, 2009

  • ccn7 Feb 05, 2009

    If you think its comming from transfer case you could have a tooth gone off a gear. you won't know for sure untill you pull it and look at it. I know back in the late 70's early 80's the transfer cases had a chain, like a timming chain that connected the gears. All the 4 wheelers i had, had the old gear driven transfers, they did away with them in the mid 70's and went to chain driven for the noise and easier shift reason, If its that stile of transfer it could be the chain slapping aginst the case inside.

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SOURCE: Rear end in 1999 chevy 1500 binds on turns

This is normal.When in 4x4 and turning sharp and slow,it will hop or jump and in 2 wheel drive it stops.If it does it in 2 wheel drive when turning sharp and slow,its because you have a locking(posi)rearend. if you have any howling or grinding noises in your drivetrain,bring it to garage and have it checked over.Hope this helps.John.

Posted on Mar 10, 2009

  • 12 Answers

SOURCE: 1999 Chevy Silverado 4x4, transfercase will not kick out of 4x4

sounds like the punch solinoid in the front diff

Posted on Apr 29, 2009

  • 34 Answers

SOURCE: 1987 s10 chevy truck 4x4 not engaging

if it is push button then it is electrical problem if it is level operated its mechanical. im pretty sure there would be no vacuum lines involved here.. i really cant help because your not telling me if it makes any noise when trying to engage or anything like that

Posted on Aug 03, 2009

youredone82
  • 426 Answers

SOURCE: knock sensor on 2001 chevy silverado

on the 4.3l version the knock sensor is on the back left side of the engine right by the bell housing. on the bigger engines they are below the intake manifold in the engine valley

Posted on Aug 26, 2009

  • 14036 Answers

SOURCE: 98 silverado 5.7L camshaft position sensor

ITS ABOVE CRANKSHAFT PULLEY.IT CONNECTS WITH CRANKSHAFT POSITION SENSOR.

Posted on Oct 23, 2009

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