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02-14-2004, 11:09 AM | #1 | |
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Join Date: Feb 2004
Location: Waverly, Kentucky
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Overdrive
I have noticed in the winter months that my overdrive acts a little funny. The truck will shift into overdrive but still run about 2000rpm at 55 to 60mph. After the temp guage holds steady(about 10 minutes of driving) it will run about 1500rpm at the same speed. The truck is an 01 Z71 and has 77000miles on it. So is this normal or is something going out.
P.S. The truck shifts very smooth |
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02-15-2004, 08:21 AM | #2 | ||
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Re: Overdrive
Quote:
I wouldn't worry too much
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02-15-2004, 08:26 AM | #3 | |
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Join Date: Feb 2004
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mine does the same thing...even a friend of mine's f-250 does that. My old chevy had a sensor onthe exhaust manifold that senses the temperature and then it would allow it to shift into Overdrive. I assume that is to ensure proper power. Engine doesnt run as it should until the correct temperature is reached.
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