2000 GMC Jimmy What is the buzzing noise ?

2000 GMC JIMMY
120,078 MILES • 4.3L • 6 CYL • 4WD • AUTOMATIC
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KENNETH PISSOTT
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I would start truck and a buzzing noise would be there. When I put it in to gear with foot on brake and release the noise would go away. The noise would be there off and on while driving.
Mar 24, 2015 at 9:29 AM
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WRENCHTECH
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Have you checked the transmission fluid level?
Mar 24, 2015 at 9:47 AM