2006 CHEVY SILVERADO TRANSMISSION FLUSH AND SYNTHETIC FLUID

  • Tiny
  • Cgcomeaux
  • 2006 CHEVROLET SILVERADO

Transmission problem
2006 Chevy Silverado V8 Two Wheel Drive Automatic 84,000 miles

I just purchased a 2006 chevy silverado 5.3 liter flex fuel ready. 84,000 miles very well maintained from the looks of everything, but I do not have prior service records.
I wanted to know if I could do this:

I would like to flush the transmission with a quality synthetic transmission fluid and change the filter. Then drive for about a month or 1000 miles, and then do a fluid and filter change. (Not a Flush using synthetic fluid again.) I have read that when you flush a high mileage tranny that the synthetic fluid can breakdown any sludge or buildup and cause premature failure of the filter. So I will only go 1000 miles or 1 month and then just do regular fluid and filter changes from there using synthetic fluid for the life of the vehicle. How does this sound to you?

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Sunday, January 13th, 2008 AT 4:56 PM

1 Reply

  • Tiny
  • Dennyp
  • EXPERT
  • 1,870 POSTS

The 06 silverado has synthetic fluid from the factory. It requires dextron VI fluid. Doing a trans flush with this fluid will be just fine.

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Monday, January 14th, 2008 AT 9:22 PM

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