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Car Forum / Nissan / Nissan Cars / May 2005Transmission Saver
I have seen quite a few posts on Nissan trans problems. Well here?s a tip (Sequential steps) to help you prevent future problems. How many of you don?t use your parking brake, including 5sp manual? Have you ever put your car in park on a hill and found the gearshift hard to pull or heard a loud popping noise when you did get it in gear? Okay, here?s my sequential steps (I?ve had over ten cars and never lost a trans) 1. If this is your 1st time getting in the car set the parking brake. Start the car then move the shifter to neutral. Your parking brake should hold the vehicle and keep it from rolling if on a slope. If your parking brake doesn?t hold, guess what? 2. For automatics ONLY, put the gearshift in park. Turn off the engine. If you set the parking brake first, before putting the gearshift in park the weight of the vehicle will be supported by your brakes and NOT your transmission. 3. For sticks, leave gearshift in neutral and the parking brake set, turn off the engine. The more times you put 2000 plus pounds of weight on your gears and clutch pressure plate, the faster you?ll wear them out. I?m sure for some this may be learning to do something new, but it?s not that hard. This is simple and can save you a lot of trans headaches, especially if your vehicle is relatively new. For some this may be advise too late in coming, but I hope it helps someone out there. <snip> > 3. For sticks, leave gearshift in neutral and the parking brake set, > turn off the engine. The more times you put 2000 plus pounds of weight > on your gears and clutch pressure plate, the faster you’ll wear them > out. <snip more> You mean there are people out there who use the engine compression to hold the car still while parked? Surely the car gently crawls down the slope as the engine leaks compressin past the valves or rings? Nowt so queer as folks. Andy > <snip> >> [quoted text clipped - 8 lines] > hold the car still while parked? Surely the car gently crawls down the > slope as the engine leaks compressin past the valves or rings? Yeah, that's why I put change in the next meter downhill from where I park, too! -jeff > in article 42376656$0$10951$cc9e4d1f@news-text.dial.pipex.com, > Andy Champ at [quoted text clipped - 24 lines] > > -jeff You got me on that one...I had 1 too many Hennesseys when I wrote that Bottom line, don?t use your trans to hold the weight of your car, use your parking brake. Putting the parking brake on will not "save" or make you automatic tranny last longer. When an automatic is put in park the transmission uses a mechanical method to lock the input shaft. It is called the parking pawl, the parking pawl gear is a square toothed gear located just before the final drive gear set (on a FWD car),and a mechanically actuated arm that comes down into one of the recesses in the parking gear, the reason the car may roll a few inches when putting it into park is because the arm has hit a high spot on the gear and needs to advance a bit before locking. also the reason the trans is hard to get into gear while parked on a hill is because the parking system has pressure on it because it is holding the car's weight. > I have seen quite a few posts on Nissan trans problems. Well here's a > tip (Sequential steps) to help you prevent future problems. [quoted text clipped - 28 lines] > For some this may be advise too late in coming, but I hope it helps > someone out there. > Putting the parking brake on will not "save" or make you > automatic tranny [quoted text clipped - 78 lines] > abuse: > http://www.autoforumz.com/eform.php?p=502407 If you think my suggestion is a waste of space then never mind, but if you think it has some validity, start practicing it. If I have put something out that keeps a mechanic from making some money, so be it. They?ll always be able to make a paycheck one way or the other. >I have seen quite a few posts on Nissan trans problems. Well here's a > tip (Sequential steps) to help you prevent future problems. [quoted text clipped - 28 lines] > For some this may be advise too late in coming, but I hope it helps > someone out there. This alone won't prevent all transmission problems but I'm sure it helps. I do, however have a few points to mention. Letting the brake or the transmission alone hold the vehicle is a bad idea. I've had a 5-speed creep on me and had a Ford automatic pop out of park and cross a busy street backwards. Use them both but set the brake first. The exception is in freezing weather. It is not uncommon to have a parking brake freeze in Ohio. Chris >>I have seen quite a few posts on Nissan trans problems. Well here's a >> tip (Sequential steps) to help you prevent future problems. [quoted text clipped - 38 lines] > > Chris I can't believe that you're having a conversation about whether or not to use a parking brake! That's what it is there for, "parking". I know some of you call it an "emergency brake", but FFS, try stopping in a hurry by using it? When you park, use it. Simple. Whether you car has MT or AT, what harm can it do? (unless you live in Ohio :-)) Greg. > I can't believe that you're having a conversation about whether or not to > use a parking brake! [quoted text clipped - 4 lines] > > Greg. Not just Ohio. I had a handbrake (as we call it) freeze on me in England once. The old-style Mini has a cable operated handbrake, and the cables are underneath the rear swinging arms - just where all the slush splashes. That's once, and I've been driving over 25 years! Andy I have been using the parking brake on every car, van or SUV I had in the last 40 years every time every season and living in the north east. |
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