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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97
votes
17answers
243k views

Does Downshifting (Engine Braking) Cause Extra Wear and Tear?

Does the act of downshifting to slow your vehicle down have any negative side affects? I don't downshift more than one or two gears at a time and I let out on the clutch slow enough that I don't rev ...
24
votes
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,...
21
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4answers
5k views

Does flooring the throttle while traveling at lower speeds increase fuel consumption?

I've noticed that in a manual transmission vehicle when going uphill I have two options: Downshift and press the gas more Stay in the same gear and press the gas more I haven't measured it but ...
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 ...
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 ...
16
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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'...
16
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3answers
27k views

Is it harmful to drive at high rpms

Does driving at high RPMs (3000-3500) in a manual transmission car cause any extra wear and tear to any mechanical parts? It obviously hurts gas mileage, but does it hurt anything else?
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 ...
14
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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 ...
14
votes
1answer
3k views

Is reverse gear in a manual transmission equivalent to any other gear?

Question is pretty well summarized in the title. If we were to order gears in terms of power provided, where would reverse fall between gears 1-5 on a manual transmission vehicle? Does it vary by ...
13
votes
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 ...
12
votes
4answers
9k views

Is it OK to skip gears on a motorcycle?

I'm not sure if this is on topic, but I'd like to know the answer before it comes a repair question. I have a Y2K Triumph Speed Triple - great bike. First gear comfortably takes to 90km/h. Needless ...
11
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2answers
2k views

Mysterious “5th” Gear on a 4-Speed Automatic?

My 1998 Honda Civic LX is equipped with the 4-speed automatic transmission. Before I looked this up, I decided to count the number of upshifts from a stop, and I counted four, not three. This mystery "...
10
votes
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 ...
10
votes
5answers
630 views

Need to rotate an out of reach bolt or pin

I'm trying to fix the shifter on my dirt bike. I've located the problem, which is a pin that's come loose. The shifter kind of works, but every now and then it gets jammed because this loose pin isn'...
10
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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?
9
votes
5answers
107k views

Shift “Grinding” Issue?

Lately I've been noticing a grinding/resisting force and sound when I shift from first to second gear in my 2003 Jetta GLI. It is ruining driving for me because every time I shift from first to second ...
9
votes
8answers
17k views

Fuel efficiency and Shifting/RPM

I was reading a thread in a car forum where someone wrote: The lower the RPM, the less fuel you use, the less strain you put on everything.. Another person then replied, stating: Not true. If ...
9
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2answers
2k views

Skipping gears when downshifting

Is it bad to skip gears when downshifting manually, e.g. from 4th directly down to 2nd etc?
9
votes
2answers
4k views

Why is my shifter lever extremely stiff or hard to shift gears?

My 1985 Yamaha 750 Maxim shift lever is extremely stiff or hard to shift. When I pull off the casing that it passes thru or even loosen the bolts to the case it shifts normally. What can the issue ...
9
votes
1answer
681 views

Pontiac G5 transmission sometimes grinds when shifting into first while stopped, occasionally stalls car

I have a 2007 Pontiac G5 with a 5-speed manual (Getrag F23 if you're curious) and about 145k miles. This problem has been ongoing for a couple years now but is progressively getting worse. Sometimes ...
8
votes
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 ...
8
votes
1answer
2k views

What can cause my motorcycle to shift into gear (but not all of them) without using the clutch?

I'm riding a Honda CB600F Hornet built 2006 (last model with carbs). I put it away for the fall/winter about 6 months ago. This week I was doing the maintenance, cleaned the brakes, lubed cables, ...
7
votes
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
votes
2answers
2k views

Why is it almost impossible to put the car in first gear at high speeds?

Why doesn't the transmission allow me to put the car in any gear I want (e.g. first) at any speed I want? Is the transmission (including the synchronous gears) disconnected from the flywheel when the ...
7
votes
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 ...
7
votes
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,...
7
votes
2answers
41k views

Downshifting an automatic

The question of whether or not to downshift a manual transmission has been addressed, but what about automatics? I personally always downshift when coming to a stop, and my latest vehicle (Ford Focus) ...
7
votes
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
votes
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 ...
7
votes
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 ...
7
votes
2answers
3k views

Hard shifting on 2003 VW Jetta 1,8 with manual transmission

After unrelated repair in the shop, my car began to have difficulties going into 5th gear. Gradually over the next couple of days, it was noticeable that the car refused to engage into 3rd, and now ...
6
votes
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 ...
6
votes
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 ...
6
votes
2answers
314 views

Manual transmission noise

What causes a grinding or scratching noise when shifting from 2nd to 3rd Gear on a 2000 Celica GT? I did have my mechanic add some gear oil but was thinking maybe I should have him drain out old ...
6
votes
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 ...
5
votes
3answers
1k views

Shifting on a motorbike by preloading

I have a few different questions that popped into my head after reading about preloading the shifter in motorbikes, here's one of three: Shifting between 1st and 2nd on a motorbike - will the bike ...
5
votes
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 ...
5
votes
4answers
24k views

Manual Transmission - Stuck in Neutral

I was at a red light and my car was in neutral and got stuck (wouldn't go to first). My mechanic told me that it is the clutch and is going to cost $1,200 to replace. The guy at AutoZone said that it ...
5
votes
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 ...
5
votes
1answer
181 views

cvt transmission

I have a 2015 nissan pathfinder. It seems to take a long time when you shift into reverse. Other than that it seems fine. Has anybody else had that problem. My dealer says that at some point it had ...
5
votes
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 ...
5
votes
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 ...
5
votes
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 ...
5
votes
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 ...
4
votes
4answers
61k views

Stiff gearchange especially when cold

I have a 2002 Skoda Octavia. Recently I've noticed that when it's cold, the gearbox is very recalcitrant, particularly in the lower gears. The feeling is of "stodginess" with a slight audible squeak. ...
4
votes
4answers
2k views

mercury milan key stuck in ignition, shifter will not come out of park

2007 Mercury Milan At first the key was stuck in the ignition. Now it wont shift out of park. Are these 2 issues related? Will installing a new shifter kit fix both issues?
4
votes
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
votes
4answers
10k views

Should I stop shifting out of gear without the clutch?

I drive a manual 2013 Ford Focus. Often times when I am about to coast to a stoplight, I will pull it out of gear without using the clutch. Sometimes it just slides out nice and easy, but other times ...
4
votes
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 ...