Forum Discussion
doxiemom11
Nov 01, 2013Explorer II
Envoy's and Trailblazers are basically the same. Sister-in-laws trailblazer - never towing - transmission gone at 100,000 miles. My Envoy - never towed - transmission gone at 135,000. I don't know about hers, but I had mine serviced regularly and the transmission had been serviced as the maintenance schedule required. I'd be worried about the transmission.
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