Envoy 2WD V8-5.3L VIN M (2005)
All 2006 and future model transmissions that use DEXRON(R)-VI are to be serviced ONLY with DEXRON(R)-VI fluid.
DEXRON(R)-VI is an improvement over DEXRON(R)-III in the following areas:
* These ATF change intervals remain the same as DEXRON(R)-III for the time being.
2006-2008 Transmission Fill and Cooler Flushing
Some new applications of the 6L80 six speed transmission will require the use of the J 45096 - Flushing and Flow Tester to accomplish transmission
fluid fill. The clean oil reservoir of the machine should be purged of DEXRON(R)-III and filled with DEXRON(R)-VI.
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