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When I’m going any speed and start to slow down and my rpms…

Customer Question
When I’m going any...

When I’m going any speed and start to slow down and my rpms go below 1.5k something starts grinding beneath my truck around the mid to front area and the 2wd button starts flashing but when I put it in 4wd there’s no grinding or flashing at all

Mechanic's Assistant: Where exactly do you think the noise is coming from? And how long has this been going on?

Not sure it’s beneath the truck seems to be one of three things my transmission, transfer case, or front diff

Mechanic's Assistant: What is the make/model/year of your car?

It’s been going on since last night and it’s a GMC Canyon 2005 4wd with the i5

Mechanic's Assistant: Are you fixing your Canyon yourself? What have you tried so far?

Nothing yet

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

That’s all

Submitted: 5 months ago.Category: GMC
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Customer reply replied 5 months ago
It snowed pretty hard at home so I was in and out of 4wd at various speeds
Answered in 2 hours by:
1/3/2018
GMC Mechanic: Todd Audette, A.S.E Certified Master Technician replied 5 months ago
Todd Audette
Todd Audette, A.S.E Certified Master Technician
Category: GMC
Satisfied Customers: 427
Experience: GMC Technician
Verified
Hi my name is ***** ***** will be happy to assist you with your vehicle. Please allow me a little time to review and i will be back to you as soon as i can
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GMC Mechanic: Todd Audette, A.S.E Certified Master Technician replied 5 months ago
Unfortunately the only way to properly diagnos your concern is to run the vehicle on a hoist to accurately locate where the noise is being generated from
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Customer reply replied 5 months ago
The sound seems to be coming from the transfer case
GMC Mechanic: Todd Audette, A.S.E Certified Master Technician replied 5 months ago
It will have to be disassembled for repair or replaced
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GMC Mechanic: Todd Audette, A.S.E Certified Master Technician replied 5 months ago

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