vasco Posted September 20, 2011 Report Share Posted September 20, 2011 My sister is into a habit of changing the gear all the time into Neural when in stationery position but my concern is that she will be spoiling the Gear Box. Need advise. Link to comment Share on other sites More sharing options...
majeed Posted September 21, 2011 Report Share Posted September 21, 2011 This is damaging the gear by shifting all the time on N. Link to comment Share on other sites More sharing options...
harryh Posted September 27, 2011 Report Share Posted September 27, 2011 One point of view is that Shifting in and out to Neutral at every juncture shocks not only the transmission, but the u-joints in your driveshaft, or your CV joints, and differentials, and other important bits. From a purely technical standpoint, if you've got it in gear and coasting, the engine is running at a higher rate than if you'd had it in neutral. However, whether this means more gas consumption or not is, mostly, moot - two of the inputs that determine fuel delivery are engine speed and vaccum, and those at such low levels, likely balance each other out. At Neutral is a different story. The vehicle is not spinning the engine; there's no vacuum increase. In neutral, the engine can produce only so much work as is required to keep itself running. In drive, the engine also needs to spin the torque converter and the transmission pump. *slightly* more work=slightly more fuel use. Another advantage of putting it in neutral at (especially long) stop lights is that you don't have to put your brakes on as hard. This in theory leads to less heat warpage. Link to comment Share on other sites More sharing options...
sandeep Posted September 27, 2011 Report Share Posted September 27, 2011 Interesting analysis Harry. Link to comment Share on other sites More sharing options...
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