Cobalt 4th gear question

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Sudy Nim - 28 May 2008 23:09 GMT

I have a 2007 Cobalt sedan with 2.2L engine and four-speed electronically
controlled automatic transmission. I rarely drive over 35mph and the 4th gear
engages at 40mph. Is it possible to change this to 35mph? The dealer said no!
TIA.

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Steve W. - 29 May 2008 00:59 GMT

> I have a 2007 Cobalt sedan with 2.2L engine and four-speed electronically
> controlled automatic transmission. I rarely drive over 35mph and the 4th gear
> engages at 40mph. Is it possible to change this to 35mph? The dealer said no!
> TIA.

And your dealer is correct!

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Steve W.

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Edwin Pawlowski - 29 May 2008 02:22 GMT

>I have a 2007 Cobalt sedan with 2.2L engine and four-speed electronically
> controlled automatic transmission. I rarely drive over 35mph and the 4th
> gear
> engages at 40mph. Is it possible to change this to 35mph? The dealer said
> no!
> TIA.

Not only is the answer no, it may even give you poorer gas mileage if it was
done. A lugging engine is not very economical and can wear faster.

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Sudy Nim - 29 May 2008 03:56 GMT

> >I have a 2007 Cobalt sedan with 2.2L engine and four-speed electronically
> > controlled automatic transmission. I rarely drive over 35mph and the 4th
[quoted text clipped - 5 lines]
> Not only is the answer no, it may even give you poorer gas mileage if it was
> done. A lugging engine is not very economical and can wear faster.

I noticed that once I reached 40mph the RPM dropped (shifted to 4th gear) and I
could reduce speed to 38mph before it shifted back to 3rd gear. With the
ever-increasing cost of gas I am obviously seeking to improve mileage and
thought this might be a good approach. Appreciate your replies, thank you.

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