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Nate
Nate, ASE Master Certified
Category: Chevy
Satisfied Customers: 340
Experience:  ASE Master Certified GM Master Certified
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Have a 2007 chevy Silverado, makes a horrible grinding niose

Customer Question

have a 2007 chevy Silverado, makes a horrible grinding niose in reverse and will not move in reverse, also if parked on a slight incline park will not hold, it will roll back wards, it will go forward but only to a point then makes the grinding noise just before it would normally shift into second
JA: How old is the transmission? Have you noticed any leaking?
Customer: original tranny, fluid is clean and bright no burnt smell, and nothing is leaking
JA: What is the model of your '07 Chevy?
Customer: silveardo,
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: just trying to figure out if its the transfer case or the transmission...
JA: Anything else you think the mechanic should know?
Customer: it has like 168000 miles, no other issues
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Chevy Mechanic about your situation and then connect you two.
Submitted: 5 months ago.
Category: Chevy
Expert:  Nate replied 5 months ago.

From what you are describing sounds like one of the planetary gears inside the transmission failed. Your transmission will need to be rebuilt and a new planetary gear set installed or a re-manufactured transmission will need to be used.

Customer: replied 5 months ago.
That's kind of what I was thinking, just wanted a second opinion...thanks
Expert:  Nate replied 5 months ago.

Glad to help out! let me know if you need anything else!