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Car Forum / Pontiac / Pontiac Cars / May 2008Shifting from drive to neutral when moving
Does continual shifting from drive to neutral and back cause any long-term damage? What I mean is continually shifting into neutral when approaching stop signs and red lights? What vehicle, stick or auto and why? > Does continual shifting from drive to neutral and back cause any long-term > damage? > What I mean is continually shifting into neutral when approaching stop > signs and red lights? ----== Posted via Pronews.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.pronews.com The #1 Newsgroup Service in the World! >100,000 Newsgroups ---= - Total Privacy via Encryption =--- It's an auto. > What vehicle, stick or auto and why? > [quoted text clipped - 6 lines] > http://www.pronews.com The #1 Newsgroup Service in the World! >100,000 Newsgroups > ---= - Total Privacy via Encryption =--- > Does continual shifting from drive to neutral and back cause any > long-term damage? > What I mean is continually shifting into neutral when approaching stop > signs and red lights? No, but it doesn't help anything either. There is no friction while stopped in drive. I do it a lot myself because automatic transmissions annoy me. I routinely put it in neutral at stop lights or pull it out of overdrive when decelerating. >>Does continual shifting from drive to neutral and back cause any >>long-term damage? [quoted text clipped - 5 lines] > transmissions annoy me. I routinely put it in neutral at stop lights > or pull it out of overdrive when decelerating. Does it glide better in neutral? Are the RPMs less. My old car used to seem to idle smoother when in neutral so I would put it in neutral while at a stop light so it wouldn't stall. It was an auto too. I was just reading about hypermilage-ing and wanted to see if that would help at all. Negligible difference, an unloaded engine ( neutral) would use slighly less fuel, but for the short time, it is not worth it plus if you had to make a sudden emergency manuever, now what. >>>Does continual shifting from drive to neutral and back cause any >>>long-term damage? [quoted text clipped - 13 lines] > I was just reading about hypermilage-ing and wanted to see if that would > help at all. ----== Posted via Pronews.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.pronews.com The #1 Newsgroup Service in the World! >100,000 Newsgroups ---= - Total Privacy via Encryption =--- What if you are shifting gears manually or are in neutral at a stop light and have to make an emergency manuever? > Negligible difference, an unloaded engine ( neutral) would use slighly less > fuel, but for the short time, it is not worth it plus if you had to make a [quoted text clipped - 21 lines] > http://www.pronews.com The #1 Newsgroup Service in the World! >100,000 Newsgroups > ---= - Total Privacy via Encryption =--- Are you talking about a std shift car if so it should be in 1st, foot on clutch for a shorter engagement time, if an auto it shouldn't be in neutral unless you are experiencing extended idling time for some reason. > What if you are shifting gears manually or are in neutral at a stop light > and have to make an emergency manuever? [quoted text clipped - 27 lines] >> Newsgroups >> ---= - Total Privacy via Encryption =--- ----== Posted via Pronews.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.pronews.com The #1 Newsgroup Service in the World! >100,000 Newsgroups ---= - Total Privacy via Encryption =--- > Does it glide better in neutral? Are the RPMs less. Back in the earlier days of fuel injection, ECMs would shut off fuel completely during deceleration. Leaving it in gear while slowing down would basically let the car's momentum keep the engine spinning with no fuel use at all. Unfortunately, that causes a spike in NOx emissions so new cars keep dumping in fuel even when decelerating. Even worse, my '99 Grand Cherokee steps up the idle control motor when I shift down into 2nd - conveniently eliminating the additional engine braking that I wanted. > I was just reading about hypermilage-ing and wanted to see if that would > help at all. Don't really know. Try it both ways and find out. Get a car with a manual transmission. That makes a real difference. For mileage, make sure your tires are inflated properly. That makes a huge difference and air is cheap. > Does continual shifting from drive to neutral and back cause any long-term > damage? > What I mean is continually shifting into neutral when approaching stop > signs and red lights? When I used to commute over back country roads (hills, turns, turns at the top or bottom of hills, etc.) in winter (snow, ice, hardpack, freezing rain, black ice, etc.) in an old rear wheel drive barge, I frequently put it into neutral before trying to brake so that the rear (drive) wheels would brake the same as the fronts. (Left in drive, the fronts would tend to lock up first on slippery surfaces since they don't have the engine trying to keep them moving.) It may have helped (I never slid much at all), but after a couple of years of that I needed a new transmission. Only thing I can think of is wearing out the clutches and actuators by going into & out of drive so much... >>Does continual shifting from drive to neutral and back cause any long-term >>damage? [quoted text clipped - 11 lines] > of is wearing out the clutches and actuators by going into & out of drive so > much... They let you change between the two without depressing a button so I would hope that indicates that you won't damage the transmission. Of course, it will be damaged less than shifting from drive to reverse while still going forward. i dont know,let us know how it works out... maybe youll hit reverse one day . ---------------------------------------------------------------- http://www.minibite.com/america/malone.htm
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