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Whining noise when accelerating

Joey Livingston
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Joey Livingston Enthusiast

Joey Livingston

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Have a 2021 6.2 Trail Boss and having whining noise on acceleration when driving only. Replaced pulley and belts already same issue. It starts making noise after 2k rpms. It is intermittent and almost sounds like something either with throttle or air intake. 

Edited by Joey Livingston
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calgator73 Senior Enthusiast

calgator73

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Posted
5 hours ago, Joey Livingston said:

Have a 2021 6.2 Trail Boss and having whining noise on acceleration when driving only. Replaced pulley and belts already same issue. It starts making noise after 2k rpms and continues.

IMG_4686.MOV

Couldn't play your video.  Can you replicate by brake torquing the motor a little?

Joey Livingston Enthusiast

Joey Livingston

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2 hours ago, calgator73 said:

Couldn't play your video.  Can you replicate by brake torquing the motor a little?

I tried it while holding brake down in gear and started to do it but you cant really go high rpms while doing it.

calgator73 Senior Enthusiast

calgator73

Posted
Posted

That sounds very similar but more intense than what I experienced as I could only hear the noise outside the truck.  I take it with belts and pullies being replaced the dealer has isolated this to the engine bay and not the transmission bellhousing area?

  • 11 months later...
  • 5 weeks later...
brianravelo Enthusiast

brianravelo

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Posted

Still going at it.  It was not the belt and the pulley.  I’m thinking the problem is bigger.  I have agreed with the service rep to drop it off in January so they keep looking at it.  Hopefully they can figure it out.

  • 1 month later...

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