What did you do to your NBS GMT800 Tahoe/Yukon Today?

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Rocket Man

Mark
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Everything was ok today, until I threw the belt--again. Grabbed a replacement idler pulley from Advance Auto. The design is a little different on the new one--not as concave as the stocker.View attachment 227831
Also, I plugged in my better scanner and it scanned the Hoe with no issues. Maybe it's the cheap scanner. Who knows.View attachment 227836 View attachment 227837View attachment 227838
Have you checked the alignment on your pulleys? I can understand slipping but it shouldn’t keep throwing it unless something is wrong like a bent pulley or something out of alignment.
 

Tonyrodz

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Have you checked the alignment on your pulleys? I can understand slipping but it shouldn’t keep throwing it unless something is wrong like a bent pulley or something out of alignment.
I eyeballed it really quick, looked aligned. My buddy had mentioned a few weeks ago that it looked like I needed an idler pulley. I'm hoping that's it.
 

Scottydoggs

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I eyeballed it really quick, looked aligned. My buddy had mentioned a few weeks ago that it looked like I needed an idler pulley. I'm hoping that's it.


ever replace the power steering pump? if you dont get the pulley back on just right it will toss the belt.
 

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