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39 votes
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Need I press clutch pedal while starting my car in neutral?

It depends on the specific vehicle. Many modern standard transmission cars in the US have a clutch pedal sensor that will not allow you to start the vehicle if the pedal isn't fully depressed. You'...
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  • 24.3k
27 votes

Need I press clutch pedal while starting my car in neutral?

Being from Canada, I feel compelled to mention that if you do not depress the clutch while starting when it is at all cold out (let's say < 0 Celsius) you will notice the starter motor labouring ...
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  • 427
24 votes
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My (manual) transmission won't engage any gear 1 day after escaping bog

I've narrowed it down to the most likely possibilities: You may have burned out your transmission, or cracked the casing and lost all your fluid, in which case you're going to have to replace the ...
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  • 14.4k
22 votes
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Clutch less shifting - why does it work? Is it bad?

You can do this if your engine RPM, the speed of the vehicle, and the gear you are shifting to/from is just right. The reason you can do this is because you have synchros in the transmission which ...
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22 votes
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Motorcycle moves forward when in gear even with clutch lever pulled

This is common among all motorcycles that have a "wet" clutch system. What that means is that the clutch is surrounded by fluid, usually engine oil. Even though you have the clutch pulled ...
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  • 8,589
21 votes
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Does resting your foot on the clutch wear it out?

It absolutely does. It's called riding the clutch. Even though you "believe" you just have your foot there, it forces the pedal down and takes up the slack which is there. This causes the throw out ...
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20 votes
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Turning off a manual transmission car by stalling the engine

Using the clutch engagement to turn the vehicle off can definitely hurt the car. Essentially what you're doing is wearing the clutch, bearings that lie within the motor, rings and valve seals. If you ...
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  • 3,323
19 votes
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Clutch smell after botched attempt at accelerating on a ramp

If it was just once, I wouldn't be overly worried... particularly as you say the car is driving fine. You took a bit of life off your clutch, and I'd keep an eye out for issues in the coming weeks ...
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  • 1,965
15 votes
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What does a flywheel do and what is it connected to?

A flywheel serves four main purposes (in most vehicles): It provides mass for rotational inertia to keep the engine in motion It is specifically weighted to provide balance for the crankshaft It ...
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15 votes

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

Heel-Toe shifting and clutchless shifting are 2 different things. I guess they can be done together.... The one thing both of these techniques have in common is rev matching. There is the RPM you ...
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  • 8,393
14 votes
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what damage or extra wear (if any) is caused by turning over the engine while in gear (manual transmission)?

Until the engine starts the only thing applying torque to the drive train is the starter motor, the engine itself is not providing any torque. Starting like this will not cause any damage to the ...
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  • 311
13 votes
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Holding clutch when braking

why using your clutch during braking can be considered unsafe I have ridden motorcycles for years. Engine braking is a component of safe riding. The engine itself can be ok and not receive any ...
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13 votes
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94 Toyota Pickup hard to put into gear after clutch in too long

If its a hydraulic clutch, it may be bleeding off, either a leak or a bypassing clutch master cylinder.
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  • 7,940
12 votes

My mechanic asks me to press the clutch pedal while starting engine during winter

You should be pushing the clutch pedal to start the engine no matter what time of year it is. There is a clutch safety switch which needs to be engaged in order for your ignition to work when you turn ...
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12 votes

Why is it that the front of the car lifts up when releasing the clutch?

Newtons Third Law For every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size ...
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  • 32.7k
12 votes
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Does rolling forwards while in reverse gear damage my car?

Absolutely not. There's no issue here. The engine/transmission were not coupled. There was no stress on the transmission. It just was running backwards from what it usually would. Really, it's no big ...
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11 votes
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What are the differences between a wet motorcycle clutch and a dry motorcycle clutch?

I pulled the following information from this site: Unless you are a professional motorcycle mechanic, you normally can not see whether a motorcycle has a wet or dry clutch just by looking at the ...
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11 votes
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How does a clutch work?

A basic clutch is made up of three major parts: Flywheel Friction disk Pressure plate (NOTE: These three pieces do not actually go together. I'm using the pictures for illustrative purposes.) The ...
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11 votes

What does a flywheel do and what is it connected to?

This is addition to Paulster's answer. Here's an animation The disc in Grey is the flywheel Wikipedia provides a good general outline - A flywheel is a rotating mechanical device that is used to ...
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  • 2,186
11 votes

Should I depress the clutch pedal when braking to a stop?

No other problem than using slightly too much fuel. The recommended way to brake is to use the current gear and keep the clutch engaged during braking until idling RPMs at what point one presses the ...
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  • 13.4k
11 votes
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Is it worth replacing the entire clutch assembly when the clutch release bearing fails?

At ~110k on the clock it's quite likely that it's the original clutch, and if so you're going to be significantly closer to the end of the clutch's life than the start. Given the big labor cost/...
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  • 9,674
10 votes
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When stopping, should I put the transmission in neutral?

I was always taught to put the car in neutral while waiting at lights. I ruined my throw out bearing by always holding the clutch in. Apparently it was a very difficult replacement because it was a ...
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  • 1,487
9 votes
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1st gear hard to engage unless stopped, Subaru 2004 Impreza Outback Sport

I'm assuming no one here answering has driven a Subaru manual transmission before or long enough. I'm fairly certain there is nothing wrong with your synchros or transmission. Subaru's are generally ...
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  • 324
9 votes

Music stops playing when pressing the clutch down

I read on a forum that the issue could be down to certain earth wires. When depressing the clutch pedal, you may be earthing a electrical line going to the sound system which in turn stops the music. ...
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  • 480
9 votes
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What exactly is a clutch?

In general, a clutch is a part which allows to connect / disconnect two shafts also while they are rotating. The most simple clutch consists of two discs, each firmly attached to one shaft. Press ...
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  • 6,997
9 votes

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

I'm going to expand on rpmerf's answer, where he has disambiguated between Heel and toe and clutchless shifting. I'l briefly explain the driving technique only to better illustrate what it hopes to ...
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  • 2,186
9 votes
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Is it correct to downshift to brake?

So there are several aspects to keep in mind if you use engine braking. No brake lights! Don´t do this when somebody sits at your back! Don´t over-rev. Only downshift to an appropriate gear. Never ...
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  • 1,062
8 votes

Manual transmission at stop: 1st with clutch in, or neutral with clutch out? -OR- Throwout Bearing wear

As a somewhat paranoid motorcyclist, I'm a huge fan of remaining in first, with the clutch disengaged until at least one vehicle has fully stopped behind me, after that if the remaining stop time is ...
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  • 583
8 votes
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Bike is sometimes not wanting to shift into neutral

There are a few possibilities, especially with the smaller Suzuki shift drums such as yours as well as the innate way in which constant mesh transmissions work. The detente at the end of the pawl ...
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  • 32.7k
8 votes
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Will a worn clutch ever completely fail to engage? If not, what will cause this?

I don't know about a Mercedes in particular, but that's exactly what happens when a clutch goes bad. There are three main parts to a clutch: pressure plate; friction disk; and flywheel. Each has a ...
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