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09-6-speed with weak Exhaust Brake

2278 Views 5 Replies 5 Participants Last post by  USA1fan
I decided to start a new thread because this title describe the problem.

My wife's new Malibu will less than 1K miles acts as if it has a weak exhaust brake.

This morning in my test drive: At the crest of a long downhill run I release the gas pedal @70 MPH. During the trip down hill you could feel the trans engaged, and @ 45 +/- MPH you could feel the trans downshift and a jump in RPM. All this with no pressure on gas pedal or brake. I repeated this on the road test twice.

My concern is wear on trans and added heat to ATF.

Ken
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Sounds normal to me. The 6spd is a different beast than the 4spd, so the shifting will be different.
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