Questions tagged [shifting]

"Shifting" refers to the act of cycling through different sized gears in a transmission with the goal of maintaining the engine's optimum power output while the vehicle is accelerating. Shifting gears is a manual process when the vehicle is equipped with a manual transmission. Automatic transmissions shift gears automatically and attempt to optimize engine performance

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6
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3answers
222 views

How to make an electronic system know which gear the engine is on?

I am on a team and we're working on a car. Our car has a motorcycle engine and its gear-shift mechanism is electronic, controlled by a microcontroller. Now, we are figuring how can we make the ...
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2answers
7k views

2014 Dodge Grand Caravan will not shift out of park

I was wondering if anyone know where to start a repair on a 2014 Dodge Grand Caravan that will not shift out of park? • The “Malfunction Indicator Light” is currently on • The “Electronic ...
7
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1answer
230 views

Short shifting after full throttle

Other than normal wear and tear, are there any detrimental effects or added harm done to the engine by going full throttle in 1st and/or 2nd gear, then shifting up well before redline (say 4k rpm on a ...
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3answers
952 views

Shifting Problem

2004 Acura TL 235k miles It takes a while (2-4 sec) for the car to shift from (P)Park to (D)Drive. After the initial change of gears the car runs perfectly normal.
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3answers
19k views

Reverse is now 1st gear on manual transmission

Reverse no longer works...when I shift into Reverse it goes into 1st gear. All other gears work fine. 2002 Jetta TDI 1.9 what could the problem be?
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2answers
2k views

My car locks lower gears when on high speed, why?

When I'm on say 50 Km/h my first gear is not accesible and second gear is too, 3rd gear however is hard to push in but 4th gear is easy to slip in, why?
4
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2answers
4k views

Tried to shift but failed at very high rpm how much damage did I cause

I went up to 6 rpm and then tried to shift to second gear aggressively and unknowingly the clutch was not fully depressed I think and the gear change failed of course I heard the gears grinding but I ...
7
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4answers
897 views

Are there cars that can shift to reverse even while moving?

I am aware that a car has to be at full stop in order to shift to reverse. Then I saw a video which was able to do a reverse without even stopping. Insane parking https://www.youtube.com/watch?v=...
7
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1answer
326 views

Car manual says I have to wait a few seconds before shifting to reverse, why?

I am the type to read the owners manual of everything I buy. I am a new driver and I have just read my owner's manual. As the questions says, it's telling me not to instantly shift to revers when I ...
7
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1answer
2k views

Manual 2008 Ford Ranger won't go into gear sporadically

I recently purchased a used 2008 Ford Ranger. Not long afterwards I began having trouble getting it into gear. I took it in and the clutch was worn out and needed to be replaced. The slave and ...
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3answers
1k views

What mechanical action is heel and toe (clutchless) shifting trying to accomplish?

I just ran across the phrase "heel and toe" shifting from this answer I've worn through the floor mat in two places trying to become better at heel and toe-ing, though. and this question: I'...
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2answers
1k views

Is my gas pedal long enough to enable heel-and-toe shifting?

I've heard much and recently watched a video about performing the heel-and-toe technique. I tried some dummy actions, with my car shut off and in neutral but it feels too difficult to successfully ...
4
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1answer
2k views

95 Honda Del Sol Si manual won't go into gear when idle > 1000 rpm

I have been racking my brains over this very odd issue. Here is the problem. I recently got this car (95 Honda Del Sol Si 5 spd 160k miles) as a second car. The previous owner claimed that the clutch ...
5
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3answers
38k views

Manual Transmission- Can bad shifting destroy transmission

Been driving a car with a manual transmission for 6 years. I never had to replace the clutch but the transmission recently blew up on me. I was aware that my car was leaking transmission fluid for ...
2
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2answers
996 views

2006 Pontiac Montana

I recently purchased a 2006 Pontiac Montana and the dealership seems to have a done a pretty good job with pre-lot reconditioning. The filters were changed, oil, and a new battery and tires were put ...
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1answer
2k views

Occasional Crunch/Grinding noise when shifting into first gear at speed

When I am doing about 30-20mph, and am about to stop at a junction, where I know I will have to stop, I shift my car into first gear However, sometimes when I do this, it makes a quick gear grinding ...
3
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1answer
2k views

Shifter(auto) stuck in park and override won't work

I have a 2005 Toyota Tacoma TRD that won't shift out of park. I just came back from a 3-month trip and went to drive my truck somewhere but it wouldn't shift out of park. This has happened before as ...
2
votes
1answer
382 views

I get a blast of hot air during stop start driving. What could cause this?

I am a learner driver with a Hyundai i20. Every now and then when I stop and then go and switch to second gear I get a blast of heat at my legs and feet. The aircon is off and its a diesel. I am ...
5
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1answer
113 views

ok still not working right 95 Geo Tracker clutch

IRT this question ... At first I thought I had it good (the clutch) now it idles too high and the peddle won't come all the way back up. I can't put into first or second and I'm at a loss not sure how ...
4
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3answers
1k views

1995 Geo Tracker - Shifting Issues

I just put in transmission fluid and replaced the clutch cable. I've re-adjusted it (not that I have much if a clue on what I'm doing). It did good for a few days then I had a problem with 2nd gear ...
4
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1answer
861 views

1999 Mazda 626 Auto Transmission Starts in 2nd, wont shift past 3rd

My wife has a 1999 Mazda 626 that had the transmission rebuilt 5 or 6 years ago. Recently the car started having problems starting unless it was shifted in to neutral. I replaced the neutral safety ...
7
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1answer
2k views

Clutchless Downshifts Using Throttle Blip on a Motorbike/Sequential Gearbox

This is with respect to non synchromesh, sequential transmission. Ducati along with several after market systems, implement clutchless downshifts by automatically applying a slight throttle to unload ...
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1answer
2k views

Transmission won't shift into second after rebuild

I have a 94 Pontiac Firebird with a 4L60E automatic transmission. I bought a transmission rebuild kit and installed everything right, but it's not shifting into second the way it should. Everything in ...
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2answers
5k views

Why are gears designed in this pattern in motorcycles? [duplicate]

On motorcycles with manual transmissions, the shifting gears goes (down to up) like this: 1st Gear (all down) Neutral (half up) 2nd (full up) 3rd (so on) What is the logic behind this? Wouldn't it ...
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2answers
531 views

Name of inverter gear cog in English

One time, I had in my hand an object, part of a tractor gearbox, and i know its Portuguese name:"carreto inversor". The device has two cogs, one is the input and the other is the output. The function ...
3
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0answers
848 views

Signs of a bad transmission?

I have a 2004 Subaru Legacy L Sedan Automatic. I've been starting to notice in the past few months that the transmission is shifting strange, typically either when the car first starts up, or has been ...
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6answers
154k views

Clutch less shifting - why does it work? Is it bad?

I have been driving stick for 15 years and within the last year I learned I can shift gear without the clutch. Normally the transmission will not let me shift gears without using the clutch. However,...
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1answer
5k views

During accelerating rpm going up but not speed [duplicate]

I have a Hyundai Accent 2002 car. Recently, each time I hit the race paddle to accelerate, my RPM goes up, but not the actual speed of the car. Could anyone think of what's the problem?
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0answers
783 views

Car stalls when shifting from reverse to forward

On a 1994 Jeep Grand Cherokee, I'm seeing the vehicle stall occasionally after I back out of my driveway (~40 feet) and shift into forward. It doesn't exhibit the problem every time, but it seems to ...
3
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6answers
65k views

Automatic Transmission - Shifting from Neutral to Drive while in motion

Recently, I've developed the habit of using the neutral gear in my automatic Honda Fit when going down slight inclines where I would otherwise have to use the accelerator to maintain speed. I ...
6
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1answer
27k views

Ford Escape won't shift into gear, O/D light flashing

I've got a 2002 Ford Escape (automatic transmission) that will start fine and reverse without any problems, but when I put it in drive and try to pull forward, it remains in idle. I can hit the gas ...
4
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3answers
62k views

Why would a manual transmission intermittently get “stuck” in reverse?

I have a 2003 Volkswagen Jetta GLS 4Cyl 1.8L Wagon with a manual transmission. I had my clutch replaced about a year ago. A couple months ago, it started having intermittent problems getting out of ...
16
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4answers
112k views

Does giving gas while releasing the clutch cause unnecessary wear?

I drive a 2013 Ford Fusion SE with manual transmission. I learned to drive a manual as a kid but picked up a lot of bad habits. In particular I tend to naturally ride the clutch. Now, of course in 1st ...
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5answers
25k views

Causes of early clutch failure EXCLUDING driver style

UK 61 plate, Ford Diesel Mondeo Estate, Econetic: clutch replaced at 31,800 miles; failure caused by 'driver style' I use my car daily for commuting and for business. It's supplied to me as a company ...
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1answer
1k views

Clutchless shifting and long term maintenance

Will (assuming perfectly, or almost, considering we're humans)clutchless shifting your car all the time affect in a worst way the shifting box mechanism than shifting the gear in a regular fashion, ...
10
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9answers
46k views

Durability of automatic transmission boxes versus durability of manual transmission boxes? Their lifetimes?

My friend is against cars with automatic transmission because he thinks that they break easily and that their repairing cost a lot. He thinks that it is impossible to maintain an automatic ...
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1answer
6k views

Typically in what RPM range should one manually downshift an automanual transmission?

Related to this question and TMN's answer: What's a good RPM range to safely downshift an automanual transmission manually? My car does it for me when the RPMs get really low, but that throws me off ...
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2answers
14k views

My automatic transmission slid to neutral while driving down the freeway. Can I just put it back in drive?

Just curious if this has ever happened to anyone. I know people who like to put objects behind the shifter, heavy enough to slide the shifter to neutral. So it got me thinking, if this happens, can ...
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3answers
1k views

Ford TSB covered under warranty?

I have a 2008 Mustang GT which seems to have the exact issue that is described by Ford TSB 09-09-06. TSB can be viewed here : http://www.stangpit.com/wp-content/images/docs/s197-tsb/09-09-06.pdf ...
16
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11answers
149k views

Use of Neutral Gear in Automatic Transmission

I am new to driving A/T cars and I am trying to understand the use of Neutral(N) gear. Should I shift my gear from D to N when my car comes to a complete halt on a red light or somewhere else? As per ...
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5answers
34k views

Can't move Chrysler 300M gear selector out of park

I got into my car this morning and couldn't move it from park after I started it. I can't change the gear at all. I can move the wheel, though. I've tried to wiggle it but haven't forced it because I ...
2
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2answers
486 views

How do I make my safety button on the gear shifter unstick?

On my '98 Malibu, the safety button (what you have to press to get out of park in conjunction with the break) on the gear shifter sticks. It it sticking so bad that it sometimes takes me minutes of ...
7
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2answers
3k views

Why won't my Honda Rebel shift when idling?

I recently ( and successfully ) rebuilt the engine of my '09 Honda Rebel; she's running well but doesn't want to change gears when idling. If I'm moving she shifts gears without any hanging, grinding,...
8
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6answers
7k views

Does switching to neutral on an automatic transmission improve braking for immediate stopping?

I've been told that when needing to brake quickly, throwing the gear into neutral on an automatic transmission actually allows for better/quicker braking. I understand how things work pretty well but ...
2
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1answer
2k views

2006 Cobalt SS - Traction Control Light & Hard Shifting

I drive a 2006 Cobalt SS (not supercharged) with the 2.4L engine. In the last month or so the traction control light has been coming on periodically. Turning the engine off and back on causes the ...
14
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5answers
82k views

Switching from Reverse to Drive - always stop completely?

I've been told by a couple people that it's really bad for a car to be shifted from Reverse to Drive while the car is still moving backwards. Is this true? In my experience: On automatic cars, this ...
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vote
2answers
21k views

Which gear should I use to climb a steep hill?

I have a 1999 Toyota Corolla, which has a D, 2, and L gear. I also have a steep driveway to climb everyday. Which of these gears is most appropriate for going up steep inclines?
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2answers
2k views

Manually shifting an automatic transmission?

My car has been rather sluggish lately - both ABS and TCS lights are on, which means there is a sensor error somewhere. I haven't had the time to look for and fix said error, but I have had to drive ...
2
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2answers
3k views

How do I know when I should shift gear only by seeing the speedometer and tachometer?

I bought a new motorcycle (with clutch and six gears) and am learning to ride from the internet. I haven't found the answer of the following question. How do I know when I should shift gear only by ...
13
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5answers
203k views

Automatic transmission: Is shifting to neutral while approaching stops bad?

This is not with the intention of saving fuel (as I have seen many answers assuming savings in fuel while doing this). But I have this habit of putting the vehicle into neutral before approaching ...