Yup its all normal. Ours does the exact same thing. If you want to learn what MPH the trans will shift at go into manual mode and speed up really slow while trying to upshift into each gear.
09-6-speed with weak Exhaust Brake
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
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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