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GMC Sierra 1500 Denali transmission clunk

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    • #704027
      c13359
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      My GMC Sierra 1500 Denali has a loud clunk when you put the transmission in gear from being parked. I currently have 58,800 miles on it and it has been serviced previously where they changed out the trans fluid to Mobile 1 synthetic oil. The oil change fixed the shudder but did nothing to help the clunk when putting the vehicle in forward or reverse. Can any one suggest a possible fix?

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