"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 ...

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71
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17answers
110k 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 ...
13
votes
3answers
328 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: ...
13
votes
3answers
6k 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?
12
votes
4answers
12k 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 ...
10
votes
2answers
25k 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. ...
9
votes
11answers
51k 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 ...
9
votes
3answers
48k 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 ...
9
votes
4answers
2k views

Is it OK to skip gears?

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 ...
9
votes
3answers
29k 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 ...
8
votes
7answers
7k 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. ...
8
votes
4answers
27k 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 ...
8
votes
1answer
135 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
46k 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 ...
7
votes
1answer
119 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?
7
votes
1answer
91 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
1answer
109 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 ...
6
votes
4answers
7k 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 ...
6
votes
1answer
862 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 ...
6
votes
2answers
2k 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, ...
6
votes
1answer
62 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 ...
6
votes
0answers
61 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 ...
5
votes
2answers
830 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 ...
5
votes
3answers
91 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 ...
5
votes
3answers
353 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 ...
5
votes
4answers
9k 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
1answer
13k 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) ...
5
votes
2answers
145 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 ...
5
votes
1answer
67 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 ...
5
votes
1answer
10k 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
1answer
49 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
votes
3answers
16k 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
5answers
4k 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 ...
4
votes
2answers
67 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 ...
4
votes
2answers
51 views

Skipping speeds when downshifting

Is it bad to skip speeds when downshifting manually, e.g. from 4th directly down to 2nd etc?
4
votes
2answers
288 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 ...
4
votes
2answers
142 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 ...
4
votes
3answers
265 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.
4
votes
1answer
652 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, ...
4
votes
1answer
161 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 ...
4
votes
1answer
138 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 ...
4
votes
3answers
613 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 ...
3
votes
3answers
53 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?
3
votes
1answer
57 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?
3
votes
1answer
47 views

No Damage/ top fuel economy rpm shift point

I am driving my Brother's 2002 4.0L gas ford ranger truck 5 speed manual transmission. What RPM should I shift at for best fuel economy. Also what RPM should I not let the truck go below while driving ...
3
votes
1answer
502 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
votes
3answers
182 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 ...
3
votes
2answers
18k 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 ...
3
votes
1answer
420 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 ...
3
votes
1answer
267 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 ...
3
votes
1answer
1k views

Honda Accord Jerks when shifting gears and makes grinding sound?

I have a 99 Honda Accord 2dr 3.0L V6 automatic. When I drive this car it makes a whooooo sound coming somewhere from the engine, when I turn to the right it is intense and when I turn to the left it ...