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Old 01-01-2010, 11:46 PM   #9 (permalink)
mcrews
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Location: Texas
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The Q Sold - '02 Infiniti Q45 Sport
90 day: 23.08 mpg (US)

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Towing a car (implies it is not running) is completely different than coasting with the enigine ON!
Of course, you tow an automatic with the wheels up. Towing with the car off, wheels on the ground and the automatic in nutral is Bad for the auto transmission.
When you coast with the engine on and the car in neutral, the transmission fluid is still curculating bcause the engine and the electronics are on.

I have coasted with engine on and automatic transmission in neutral in every car I have had. my last two cars 1. Toyota Avalon (97) had 215,000 miles - never any problem with trans or engine. 2. current Infiniti Q45 (02) has 185,000 and again no trans or engine probelms and I coast Alot down any hill.
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