These are questions regarding either manual or automatic gearboxes and their component parts.

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5
votes
2answers
82 views

Is this the ATF drain plug on 06 Ford Fusion (please confirm)?

2006 Ford Fusion SE Auto. I have it jacked up now ready to do a drain and fill of the ATF fluid but I'm not 100% sure about the drain plug. If you know this car please confirm, is this it in the pic? ...
3
votes
0answers
55 views

2010 mini cooper transmission noise and gear shift at RPM higher than normal

I'm hearing rattling noise when the transmission is engaged (drive) and it get's louder at higher rpm. previously I did not hear this. There is no noise when I rev engine in park mode. The gear in ...
7
votes
2answers
202 views

Do Manual transmission cars perform better than Automatic transmission?

I'm stuck between choosing a car available in both automatic transmission (CVT) and Manual transmission (6 speed). I wanted to know which one will perform better in the following aspects (considering ...
3
votes
1answer
15 views

2002 Sonata that accelerates on its own and with braking seems like shift lockup. Also at a complete stop the car is still reving

I'm not sure if the crankshaft sensor failing, No CEL. My car did this last night. Ishut it off gave it dry gas topped off tranny fluid about 2ounces. Ran it and it was smooth, shifted normally no ...
7
votes
1answer
137 views

Why am I not moving after starting car and shifting to Drive?

So I have had this issue for the last couple months where when I first start the car, shifting to Drive (automatic transmission) doesn't do anything. Pressing the gas only revs the engine, as if in ...
9
votes
0answers
61 views

Torque convertor shudder?

I drive a 2011 GMC Sierra 2500HD ex-cab 2wheel drive with a 6.0 gas engine and a six speed 6L90 automatic transmission. I have started noticing what I believe is called "shudder" from my tranny under ...
3
votes
2answers
291 views

Is my automatic transmission broken?

I just broke down. Here's a description: ('97 Subaru Legacy) Driving completely normally along a town road, the car suddenly began to sputter and jump as I pressed on the gas. Then the check engine ...
2
votes
5answers
10k 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 ...
11
votes
4answers
1k views

Do cars go from Drive to Neutral on their own?

While stopped at a railroad crossing in my A/T Honda CRV with my car in Drive and my foot on the brake; does my car eventually go into Neutral on its own if I'm there for while?
12
votes
4answers
12k views

What is the life expectancy of a Honda Civic Hybrid Continuously Variable Transmission?

I have a 2006 Honda Civic Hybrid with continuously variable transmission (CVT). At the 90k tuneup, the mechanic added 3.5 quarts of the regular automatic transmission fluid. At 110,000 miles, the ...
7
votes
1answer
118 views

Should I change transmission fluid if it's black?

I bought a vehicle couple of weeks ago. I checked the transmission fluid today, and noticed it was black. Should I be worried and immediately go change it? Part of me wants to get it changed since I ...
6
votes
2answers
5k views

Host of small performance problems in 2006 Hyundai Elantra

I bought a used 2006 Hyundai Elantra (Automatic) back in early 2011. At the time, I was needed to have a car quick, and it seemed like a good deal, but the longer that I've owned it, the more problems ...
4
votes
4answers
104 views

Will my 2002 Mustang make it from California to Iowa?

I have a great 2002 Mustang automatic 6cyl in great condition, but I am a worrier and want some outside opinions. I am the second owner of the vehicle. Have owned it for 1year, 7 months and I get my ...
4
votes
2answers
330 views

Unable to move in first and second gear in VW Polo

I am facing a problem in first and 2nd gear in my VW Polo diesel car. I am unable to move car in these gears, I tried it so many times. So for the time being I used 3rd gear to move the car & ...
1
vote
1answer
275 views

2006 Saturn Ion won't shift into drive but will in reverse

Couple of days ago my 2006 Saturn Ion transmission stopped working. I can put the car into drive but when I hit the gas it just revs up and doesn't actually go anywhere - it will roll though like it's ...
5
votes
0answers
75 views

Mazda 626 1995 automatic won't shift gears

I have a 1995 Mazda 626, 2.0L, automatic transmission. The transmission won't shift. It stays in 3rd gear and won't go into any other gear. The car does drive, but won't change gear out of 3rd. The ...
5
votes
1answer
75 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
2answers
59 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
0answers
41 views

citroen c5 2007, AL4, noise when on R [closed]

Sometimes when i change to Reverse, there is strange noise from inside of the car, whats possible cause? the transmission is auto, AL4, and the noise is even if i m not moving(brake pedal)
9
votes
11answers
57k 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 ...
5
votes
2answers
188 views

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

I don't know much about the inner workings of a car. For driving one, I find that having an rough idea about what the gearbox, engine and clutch do and where they are is often enough. However for the ...
2
votes
1answer
1k views

Transmission Fluid Pump - 2008 Crown Victoria Police Interceptor P71 CVPI

Hi, I have a 2008 Ford Crown Victoria Police Interceptor. My car runs in forward and reverse for a short time (30 seconds to 2 minutes) and produces a loud whine noise. I believe this to be the ...
3
votes
1answer
43 views

Mazda 3 fn4a -el transmission on tune up

A few days ago I tried doing an " tune up" on my car. It had just a transmission fluid replacement(with synthetic fluid) and had a couple of solenoids replaced. I had an oil change less than a month ...
4
votes
1answer
38 views

2004 Honda Civic ex rpm spike and lose acceleration.

I have a 2004 Honda Civic. Sometimes when pushing on the gas at a slow pace around town the rpm jump up and it's difficult to accelerate. Once doing 60 it doesn't appear to do it. Does the ...
6
votes
4answers
8k 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 ...
7
votes
2answers
533 views

Optimal RPM range for manual transmission

Are there optimal RPM ranges for different vehicles? I've been told it's better for the engine to drive at slightly higher RPMs (e.g. 2500-3000 for my Tacoma) than low (1000-1500). I understand a ...
2
votes
2answers
444 views

Are BMW automatic transmissions less reliable than manual ones? [closed]

I am considering purchasing a second vehicle and am looking at a 2001 BMW 325i with an automatic transmission; however, I have heard mixed reviews of the automatic transmission in BMWs. Is there any ...
4
votes
3answers
2k views

Could a fuse be responsible for my VW Jetta not shifting while in drive?

Issue with my VW Jetta (2001) Automatic transmission, gasoline engine My tail lights were out because of a missing fuse. So in the dark I looked to find a good one to replace it with (of the ones ...
5
votes
3answers
403 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=...
6
votes
1answer
72 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 ...
9
votes
1answer
167 views

How does Audi Crown Gear Center Differential work?

I'm trying to understand how the engagement of the clutches is varied. I see the power is transmitted through the center input shaft and is transmitted through the four pinion gears, but I don't ...
5
votes
1answer
49 views

1995 Dodge Viper

So my friend is interested in this 1995 Dodge Viper he's seen on a pre-owned showroom and I have some questions that I'd like to ask. What kind of questions related to that specific car should we ...
11
votes
3answers
24k views

What disadvantages a car with 4-speed transmission have compared to 5, 6 or 7 speed with similar engine?

This seemed to be most relevant site to ask my question. I am planning to purchase a new car and my shortlisted car has 4 speed automatic and 1.6 litre engine. The thing that worries me is that it ...
6
votes
1answer
235 views

Weird grinding sound from the gear box

It is not like when you try to shift a manual stick without the clutch. But a lot lighter than that varying in amplitude (louder and lower) and probably is only there when the engine is cold (Because ...
0
votes
0answers
10 views

use SAE80W/90 instead of EP90 [duplicate]

Can I always use SAE80W/90 API GL5 instead of EP90 for my good old Masport lawn mower's gears? I can't get EP90, which the manual asks for, anymore. http://www.supercheapauto.co.nz/online-store/...
10
votes
5answers
114k views

Car shakes when in gear at red light

I bought a '96 Toyota Camry about a month ago. When I first turn the car on and the engine is cold, I can have the car stopped (in gear) and it will not shake. The idle RPMs will be at 1000. After ...
6
votes
1answer
184 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 ...
4
votes
2answers
5k views

Motorcycle gears seem really stiff and hard to shift when cold

So I have noticed that even for a fruther 10 to 15 mins after warm up, the gear lever on my motorcycle (bought brand new - 6 months old) seems really stiff and harder to change. Could this have ...
4
votes
3answers
8k views

Bike is sometimes not wanting to shift into neutral

I have a 1982 Suzuki SP250. The bike "doesn't want" to shift into neutral sometimes. I have to rock it back and forth and shift up and down the gears a for a while before it shifts. I have changed the ...
7
votes
1answer
438 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 ...
6
votes
3answers
3k views

What determines when an automatic transmission shifts?

I'm working on developing an automatic bicycle (mostly microcontroller based) and I'd presume I'd be shifting in a similar way to a car. So my question is, what factors does the transmission take into ...
3
votes
2answers
641 views

How to know when automatic-transmission box needs to be changed?

My friend is very odd: this thread about durability comparison between automatic/manual durability meant to him that manual is always better option because you can learn to change the clutch and only ...
8
votes
1answer
428 views

Why did manufacturers go to other than 1:1 transmission ratios?

While reading this question it came to mind: Why did manufacturers start building transmissions without a 1:1 ratio? In the older transmission you'd see the 1:1 ratio all the time, either as the ...
11
votes
1answer
164 views

Why don't cars use Sequential gearboxes?

I have always felt that the Sequential Gearbox configuration is much much faster than a ordinary gearbox used in cars. Why is this design used ? Any advantages? Note: I am aware that racing cars(...
4
votes
1answer
49 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 ...
25
votes
5answers
6k views

What is the technical reason the engineer decided the motorcycle gear pattern as follows?

The gear pattern is selected by clicking a lever with your left foot, and is typically laid out as follows: 6th gear (if applicable) 5th gear 4th gear 3rd gear 2nd gear NEUTRAL 1st gear What ...
4
votes
0answers
110 views

2008 Vw Jetta won't move? Transmission issue!! Help [closed]

I have a 2008 Vw Jetta 2.5l. On the way to work this morning I stopped at a stop sign and when I took off I heard a clunk and had to coast off the road. It is an automatic transmission and I can put ...
8
votes
2answers
85 views

Gear selection on 6 speed box

Hi I have a Peugeot 308 1.6 ehdi with a six speed manual gearbox and have noticed that when selecting first or sixth gear it does not go in smoothly it can be notchy or clunky this is quite annoying ...
6
votes
1answer
291 views

Scania clutch issue with syncromesh gearbox

The clutch of our 124 Scania stopped working properly with the "14 speed" syncromesh gearbox. The first time it happened, it ground instead of smoothly going into reverse (a non-syncro gear), to back ...
5
votes
1answer
68 views

What is meant by the term “gear ratios”?

I don't really understand the idea behind gear ratios. Does this just mean essentially that the gears (cogs) are all different sizes? What specifically does the term "gear ratios" mean?