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7
votes
1answer
74 views

Any possibility of engine stall if engine brake is active during gear shift?

My understanding: Engine brake uses engine friction to damp the vehicle momentum. If one wishes to apply engine brake to assist manual gearshift,(activate engine brake, rpm dies, shift to lower ...
6
votes
1answer
57 views

How come gears don’t normally change in an automatic car?

I know that there is a similar question here, and another one here that asks when an automatic gearbox knows how to change gear, but I want to know exactly how it does that. It was brought to my ...
6
votes
1answer
53 views

What does it mean to have a stiff first gear?

This problem is a small one and it can only occur with manual cars, but I have been curious to find out more about it for a while now. Sometimes, when the car is attempting to pull away from a ...
0
votes
0answers
22 views

New alto clutch lasts not even a month with gear breakdown

A month ago I got my (78000 kilometer run)car serviced and the new clutch set was replaced. Within a month while applying reverse gear I got disconnected with gear and sent car for repair. Initially ...
6
votes
2answers
49 views

What is the best “automatic” gear to be in when going up a snowy incline?

My car is a Volvo S80, it's great in ground-level snow. I tried going up an incline in "D" and it wasn't having it, basically just slowed down and stopped dead in its tracks. I have never used the 3 ...
4
votes
1answer
41 views

Acceleration pickup of a car

When I say "Tata Winger can accelerate from 0 to 100 Kmph in nearly 19 to 20 seconds, which is quite good for this class" - how is it measured? Is this by accelerating the car from 0 to 100 kmph on a ...
1
vote
1answer
61 views

Changing gears at what speed? [closed]

Can someone please link me to a website where I can get the speed at which a car must shift gears, (manufacturer wise would be better). Or maybe, link to a website where I will be able to calculate ...
3
votes
1answer
34 views

What exactly is a gearbox?

You know that gear stick that we all use so much? Well, I know what it does in the sense that I know how to change gear and drive a car with a manual gearbox, but I don't know much more than that. ...
4
votes
2answers
54 views

Gear ratio from speed and rpm

http://stackoverflow.com/questions/30017271/obdii-determine-gear-given-speed-and-rpm Referring to the above link, one method to find the current gear ratio is to calculate Speed/rpm (The rpm is the ...
3
votes
1answer
45 views

Does putting vehicle in neutral at slope cause clutch plate spoilage?

I am having a Hero Honda Passion 2002 model motorcycle. I have a doubt regarding clutch and Neutral functionality. I have observed that most of the time in our city the roads have ups and down so ...
2
votes
1answer
33 views

I have a 2000 Suzuki Grand Vitara 5 Speed Ticking noise

I hear a ticking noise coming from the driver side rear end, possibly coming from the differential, not sure though because i checked out the pinion gear and i don't see any chips off any of the ...
4
votes
1answer
153 views

Why are most motorcycles 5 speed than 6 speed?

I have a Honda Trigger motorcycle. I have seen most of the motorcycles even like Karizma ZMR having 5 gears. What would be the reason to have just 5 gears even for 223 cc motorcycles?
0
votes
1answer
47 views

How to get in fourth gear

I have 2007 automatic Scion tC that I just bought and I was wondering how do I put it in 4th gear or (sport)?
2
votes
1answer
21 views

99 Jetta transmission trouble

My wife's 99 Jetta is very hard to get into 1st gear. 2 out of 3 times you will hit 3rd gear. She often has to start off from 2nd gear. Is there a way to adjust the linkage or something to allow more ...
3
votes
3answers
60 views

How to remove this gear from this pump and motor?

Actual story is both driven & driver gear teeths are warped up. I am trying to remove this gear coupling from the motor side using gear pulling device by applying load, but it still not coming: ...
2
votes
1answer
322 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
1answer
50 views

After long journeys, gear slips in 5th, but not into neutral

This is a follow up to another question I asked. I've managed to get some video of it happening this time. It started happening after travelling for about 2 hours. I was experiencing heavy traffic. ...
2
votes
2answers
375 views

Should starter pinion be greased?

When replacing a starter (or reinstalling the old one), should the pinion that that powers the flywheel (is that actually the flywheel?) be greased or not?
3
votes
2answers
4k views

Reverse Gear Doesn't Work Anymore on an Automatic

I've been having troubles with my automatic transmission for sometime now mainly it's lost it's smoothness and has been slipping first thing in the morning. I've practically worked on every other ...
2
votes
3answers
243 views

Safe engine braking in automatic cars

When I was learning to drive, I took my lessons in a manual car. On one of the lessons I was performing a reversing maneuver and I controlled the car on both the clutch and the brake pedal... which I ...
1
vote
1answer
192 views

Why my bike shows petrol missing before 2000 RPM in all gears?

I am using Hero Karizma R (225cc, 5 gears). Recently I feel a missing in all gear befor 2000 RPM. Sometimes my bike turn off due to this missing. Usually it happens at 1st/2nd gears. After 2000 RPM ...
4
votes
2answers
312 views

Synchromesh, Helical gear design

What specifically, is the design principle behind the Helical shape of gears in a synchromesh transmission? Are the Helical gear designed, in any known vehicle, to disengage? Is that why the gears ...
1
vote
1answer
187 views

What is the redline for different gears for Peugeot 107 2005 model?

I have a Peugeot 107 which is a 1 liter engine car. I was wondering what is the maximum safe speed at different gears? The car starts to make a lot of noise in 1st and 2nd gear, even at 10 mph at ...
2
votes
2answers
274 views

My motorbike handle gets a hit when I hit a bump or pothole

My 2 month old bike is a 200CC Bajaj Pulsar (made in india) with only 2000kms on the odometer. I have ridden it carefully. I touched 100km/h accidentally on a drag race with my friend, just one time, ...
2
votes
2answers
781 views

Ford Transit not going into 1st gear easily

With a lot of Googling I've found loads of different things that could be causing this - and none for a Ford Transit so I hope someone can explain exactly what is causing this problem, and from the ...
3
votes
1answer
154 views

Replacing 3rd gear synchro on a Tacoma

I have a 4WD 2007 Tacoma V6 manual with 6 speeds. This model has a notorious reoccurring problem with its 3rd gear, which is due to the synchro going bad on that gear, as per many online ...
0
votes
1answer
123 views

How to fix 2007 Dodge Ram Hemi Overdrive Problem

When my friend is going at least 70 MPH the overdrive doesn't work. And sometimes the overdrive doesn't work when he's going 40 MPH! What could I do to fix the problem. And I would like to avoid ...
8
votes
8answers
1k views

Is shifting to neutral on a decline more fuel efficient than keeping the gear engaged?

I always had the habit of shifting to neutral on long declines and using the brakes to slow down as needed. Intuition made me believe I'd be saving fuel as opposed to keeping a gear engaged. However, ...
1
vote
1answer
170 views

Car Hesitate Sometimes While Driving

I drive a Honda accord 2005 model v6. Sometimes while driving and I get to slow down or when going up a hill my car hesitates for a while ( small jerk ). What I mean is that, when I remove my leg ...
1
vote
1answer
851 views

Is it bad to switch gears to D while my car is still moving backwards

I am reversing. While the car is still moving backwards, I switch gears from R to D, and press the accelerator to start moving forward. After a bit the car stops going backward, and starts moving ...
5
votes
2answers
685 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
2answers
5k views

Buzzing noise or whining noise from center of car while driving, not related to engine speed

My 2003 Passat B5 TDI with 6-speed gearbox is making a buzzing/whining(?) noise while driving and it appears as if it comes from under the gear shifter. The noise is: Dependent on road speed (more ...
4
votes
2answers
266 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
1k views

1st gear hard to engage unless stopped, Subaru 2004 Impreza Outback Sport

Since I've bought my 2004 Impreza Outback Sport, I've had a problem with shifting into 1st gear. First gear is generally difficult to engage while moving. You can just force it, but it's really ...
4
votes
2answers
1k views

Rental car gearbox broke down

Last week end, I rented a car, fairly new car (probably 1 year old). On the way to give it back, 20 minutes before arriving, the gearbox just broke. I couldn't accelerate etc. During the week end, I ...
1
vote
0answers
233 views

BMW 320i 1992 Gearbox in Sports Mode [closed]

My cas is a BMW e36 320i, with an automatic gear box. The gearbox has three modes, Economic, Sports and ICE. When in Economic mode, The gearbox switches smoothly between the 5 speeds, however, the ...
1
vote
2answers
281 views

Suzuki Swift Sport 2012

My car (2yrs old) needs a new clutch after 45km and Suzuki won't cover it under waranty. I'm no mechanic but the car has not been driven hard and has mainly had longer highway journeys never. Is ...
3
votes
1answer
141 views

Transmission Gear Ratio Convention

I own a 2003 Mitsubishi Evolution, and I was looking at the transmission's gear ratio here: http://www.jackstransmissions.com/pages/evo-8-9-transmission-gear-ratios I can't tell if I'm ...
0
votes
1answer
607 views

manual transmission issue when changing 3rd gear with polo 3 1998

I'm currently driving a 1998 Polo 3 known 6n (1.0 petrol) and i have issue when changing my 3rd gear, especially when the car is cold. It pop out while i'm changing 3rd gear and other times it will be ...
2
votes
1answer
361 views

Why are gears still grinding after replacing transmission, clutch, and hydraulic cylinders?

Cavaliers are known for transmissions going bad, and my Cavalier's transmission was making a horrible grinding noise going into fifth. Double clutching seemed to be working until it started grinding ...
1
vote
2answers
76 views

Is it harmful to switch gears while starting?

I have a car with push to start. To use it, I have to push down the brake and press the button. However I've realized that occasionally I'll push the button and immediately switch to drive or ...
2
votes
4answers
726 views

Still safe to use a helmet when it's dropped?

I dropped my helmet from the seat of my motorcycle. Is it still safe to use it?
1
vote
1answer
80 views

My 1991 Honda Accord grinds on third gear!

My 1991 Honda Accord grinds on third gear what could this mean and how can I fix it?
1
vote
1answer
1k views

wheel/pulley coming out of my engine is making a loud rattling noise

Civic sedan: 1997 150i so on my home from the shop I notice at a stop that as I push the clutch down and put the gear lever into neutral, there's a soft, slight rattle before the normal sound my car ...
0
votes
1answer
65 views

Does my BMW e36 320i 1992 have a Gearbox cooler

Does the BMW e36 come equipped with gearbox coolers, if not, can I install one. Thanks
4
votes
3answers
970 views

BMW e36 320i motor looses power significantly out of a sudden

I have a 1992 BMW e36 320i, when i start in the morning, or in cold weather, the cars functions normally and has a lot of power. However, after a little, or when the weather is hot, the car ...
1
vote
1answer
362 views

Scooter clutch plate gets damaged/burn't for a short time

I have an Indian Scooter (Bajaj Chetak) which was bought 15 years ago. For the last few days, the scooter has been witnessing lot of problems. 1. The clutch plate gets damaged and burn't - It ...
1
vote
0answers
153 views

When driving on auto-gear, the D3 gear light come out randomly. Why and how do I fix it? [closed]

I have a problem with my Honda Stream car. When driving on auto-gear, the D3 light come out randomly. Only when I push the button on the gear stick that the D3 light goes off. This is very frequent ...
3
votes
1answer
831 views

What could make a noise when I decelerate with a manual gearbox?

Update 06/23/2014 One week later, this noise is now very, very loud, even when I don't decelerate. As soon as I put the 5th gear and clutch, it vibrates whether I accelerate or not. It's like if the ...
2
votes
3answers
656 views

gentle vs Forced push of motorcycle gear - wear and tear [closed]

I am new to riding motorcycle. And I tend to use my legs a little forcibly while changing gears. A friend told me that this would cause the gearbox to wear out soon. He suggested me to do it gently ...