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Author Topic: Transfer case noise  (Read 3539 times)

Offline jcondo

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Transfer case noise
« on: October 29, 2018, 11:04:14 PM »
Would the np203 transfer case in my 77 k10 make unusual noise if the truck is on jack stands and I was testing the speedometer? Everything seems to be working fine, just a grindy noise when I get past 20mph. My thought was cuz the tires are all of the ground it’s spinning without any tension in the chain.
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Offline Irish_Alley

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Re: Transfer case noise
« Reply #1 on: October 30, 2018, 08:01:32 AM »
did you have it in loc? if not its going to act like open differential, that might make some noise. but then again ive never ran a vehicle on jack stands.
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Offline jcondo

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Re: Transfer case noise
« Reply #2 on: October 30, 2018, 10:26:25 PM »
No it was in high. I was just testing the speedometer gear and cable. Which both seem to be working so that’s a plus. 
I’m waiting on some exhaust parts before I take it off the stands.
Thanks for the reply tho Irish. It might be a while but I’ll let ya know what it I find out once I do drop it back down.
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