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

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2
votes
1answer
28 views

Mercury Comet Gear Shifter Is Loose

I have a 1964 Mercury Comet Caliente that I am restoring and I'm trying to make it drive as smoothly as possible. However, the car's gear shifter lever on the steering column (automatic transmission) ...
1
vote
2answers
34 views

WHAT ARE THE SPECIFIC SYMPTOMS OF BURN TRANSMISSION

I BEING TOLD THAT MY TRANSMISSION BURN IT WAS RUNING PERFECTLY AND SUDLENLY I WASNT ABLE TO SPEED MORE THAN 20MPH BUT STILL RUNS IM NOT SURE IF IS TRUTH SINCE FIRTS THEY SAID ALL I NEED TO DO WAS A ...
2
votes
1answer
20 views

My 2004 Chevy trailblazer won't accelerate or just got maybe 5-10

I'm trying to figure out why my truck driver won't move. If I leave it off and turn it on it goes maybe 5-10 mph and then just completely stops moving and you can just hear it revving. Can someone ...
4
votes
3answers
23 views

Engine Braking Force

I've got a few questions regarding the force of a typical engine brake: 1.Which parts of my car influence its numerical value? 2.Is there a formula, which enables me to predict the numerical value, ...
3
votes
3answers
44 views

Car Would Not Start

My car just died. It was parked and when I went to start it nothing happened. No clicking sound, no nothing. The electric wndows still worked. I did not check lights. Had to have it towed to repair ...
3
votes
1answer
19 views

Testing and diagnosis for hissing sound only in forward gears 2000 Toyota Camry-LE

I have a 2000 Toyota Camry LE, with 147,000 miles on it. At present, when sitting at idle with the transmission in park, neutral, or reverse, there is no noise, everything sounds normal. When the ...
7
votes
2answers
138 views

CVT transmission slipping

I have a Toyota vitz 2007 and I am facing a problem for about 2 weeks now. Sometimes when I press the accelerator, the engine revs up but I hardly see any acceleration. The problem is severe when I ...
2
votes
1answer
24 views

Bike making squeaking sound while upshifting

I've put 7281 Kms on the bike so far and recently I've encountered a problem. While upshifting using the clutch, the bike makes a squeaking sound. The sound appears when I release the clutch. This ...
3
votes
1answer
21 views

Electrical reverse lights stay on

We recently purchased a restored 1971 chevelle ss. They did an excellent job. I just noticed that the reverse lights are always on and assume it something with the switch. Where might I look for the ...
4
votes
2answers
32 views

transmission blown?

while i was driving my car going about 20 miles an hour i tried to stop and all my brakes were gone even my e brake...i panicked shut my key and put my car in park..well it stopped but it made a boom ...
4
votes
2answers
105 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?
11
votes
3answers
1k views

How does the transmission not strip itself when applying the brake?

Quick question bugging me: Obviously the car moves forward when neither applying the brake nor the accelerator. How does this not damage the transmission when the brake is pressed? I first ...
5
votes
3answers
67 views

Will towing a trailer hurt my 2008 Subaru Forester?

I'm getting some mixed advice about towing with a Forester. We are considering buying a small popup camper, and also maybe a small utility trailer. The camper would be for there-and-back trips, not ...
6
votes
1answer
325 views

Need to find out what part is called

Hello I have a desperate question! I own a 2006 dodge sprinter and cannot figure out what the part connected to the transmission with the wheel is! i want to buy a new one and have spent countless ...
6
votes
1answer
26 views

Is my 1999 blazer having transmission problems?

I have 99 Chevy blazer. It never wants to get moving right away. it takes 30 seconds to a minute before i can get fully going. It also shakes when I at a red light or stopped. i noticed today that ...
3
votes
1answer
102 views

Car goes in reverse when put in drive

Car:2007 Chrysler 300 2.7 I went to start my car this morning, put it in drive, but it wouldn't go. Then I put it in reverse and it would drive back as well as neutral. So then I turned the car ...
5
votes
2answers
73 views

Why does my manual gear sometimes slip into neutral?

I have a Mazda 323 Astina (called something else outside of Australia), 1997 model. When the weather is cold the car sometimes slips out of 5th gear into neutral. It only ever does it once a day, ...
6
votes
1answer
1k views

Sometimes my second gear is rough to engage. What could be wrong?

So I've got an odd problem for a 2004 Toyota Echo. The second gear, sometimes not always, is hard to engage. If I be real gentle, and just put a bit of pressure, it would slip in. I could also be a ...
12
votes
4answers
215 views

What would happen if you shifted into reverse while you are going forward?

First, I am talking about manual cars and I know this is considered impossible because of the synchronized gears, but lets suppose that you can manage to shift gears (For example you could shift into ...
73
votes
17answers
118k 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 ...
5
votes
3answers
82 views

Motorcycle randomly loses power

I have a single cylinder, 200cc, carbureted, 5 speed, 12V, 2006 Lifan LF 200 motorcycle that typically runs fine. It will sometimes randomly lose power and I cannot get it to go above 25 mph. When ...
8
votes
3answers
896 views

How Does a Quick Shifter work in a motorcycle

I have often seen motorcycles like the BMW S100RR and the famous Ducati Panigale with Quick Shifter technology which allows seamless gear changes. I want to know how these things work mechanically ...
2
votes
0answers
16 views

1999 Toyota Camry Transmission issue

I have a 1999 Toyota Camry. Bought it from dealership a year and 3 months ago. I went from 150,000 to 170,000 miles on the Odometer. Overtime the car started to shift rough (automatic vehicle). I ...
4
votes
1answer
39 views

VW Jetta 2003 GLI 6 Speed manual stuck in gear.

My 2003 VW Jetta GLI VR6 6 speed manual is "stuck" in gear. ATM stuck in 2nd gear as i was about to back into my driveway and as i went to shift into reverse it wouldn't shift and basically is stuck ...
3
votes
1answer
56 views

subaru impreza 1998 clutch noise

I have subaru impreza 1998 with manual transmission. When I push the clutch I hear a noise like the noise of the power steering belt when its over tightened. The mechanic replaced the clutch bearing ...
6
votes
1answer
93 views

Effects of shutting off Nissan altima (or any car) while in drive

Every now and then when I get home after a long day, I pull into my driveway and while the car is stopped (foot on the brake), I turn the vehicle off without putting the vehicle in "Park". Car is ...
0
votes
0answers
24 views

2004 Ranger won't shift into second [on hold]

I have a 2004 Ford Ranger. It suddenly stopped going into seconds gear. All the other gears work fine. Do you know why?
2
votes
0answers
36 views

2007 Nissan Quest RPM issues

I have a 2007 Nissan Quest 3.5S. I notice that exactly at 20mph the rpm will be at a specific rpm then fluctuate to a higher rpm then come back down to normal rpm. Is this normal?
6
votes
1answer
69 views

How to calculate the angular velocity ratio of a cardan shaft?

Recently this question has been bugging me, and while it might seem simple, I was not able to find a satisfactory answer. Suppose we have a cardan coupling like in the following picture, where the ...
26
votes
6answers
14k views

Why doesn't anyone ever repair an automatic transmission?

I am old enough to have had about four transmission failures spaced over about 40 years and at no time did any mechanic ever offer to “fix” it; the only diagnosis has been a complete rebuild. This is ...
3
votes
0answers
38 views

Don't know if its my transmission, or gears

I have a 2009 Chevrolet Impala LT. When I drive in D it won't go past a certain speed but when I drive in 3 it sounds faster than what it's going. It will be at 60mph and the reader will say at 6 when ...
1
vote
0answers
31 views

Unable to shift into low range when cold on my 100 series Toyota Landcruiser

It is impossible to shift into lo range when the vehicle is cold. I have changed the oil with no improvement. When the drive is warm there is not a problem.
2
votes
3answers
117 views

Which motorcycle engine and transmission configuration would have a higher top speed? [closed]

Can a higher cc (displacement) bike with 5 speed transmission or a lower cc (displacement) bike with 6 speed transmission have higher top speed? Example: Yamaha R15 (150cc, 6-speed transmission) v/s ...
1
vote
0answers
80 views

OBD-II Enhanced PIDs

I was looking at the Torque Pro app and in the section where there is a list of custom PIDs that can be used, one is a Transmission Temperature PID. But it is exactly same as Engine Coolant ...
4
votes
1answer
69 views

Can wheels turn if the engine died when in gear (automatic transmission)

Lets say an automatic transmission vehicle is going downhill and stopped in traffic. And suddenly engine died. Is it possible for the wheels to turn (turning the transmission, torque converter) and ...
2
votes
2answers
6k views

my car acts like its going to stall at a stop

my car drives fine but when i come to a stop light or any stop it acts like it will stall but never does. did some easy things like oil change. no check engine light is on but it seems to keep ...
6
votes
0answers
41 views

How to measure transmission fluid levels?

I understand the newer Audi A3's with either type of transmission (auto or DSG) has a really weird way to check (to normal pull the dipstick type checking) the transmission fluid. Can someone please ...
5
votes
1answer
711 views

Jerks on 2nd gear at low speed

My car jerks on second gear when I slow down while on second gear and then want to accelerate back. After changing the plugs and air filter it got a bit better but after driving 500+ miles it is back ...
2
votes
2answers
937 views

2001 civic won't accelerate when pressing gas petal..?

For the past few days my check engine light has been on. Whenever I try to accelerate, the car will not go very fast at all, no matter how hard I press it, all the way down, halfway, doesn't matter. ...
6
votes
1answer
745 views

Transmission damage due to uneven tread wear on AWD vehicle

I have a 2013 Subaru Impreza with a continuously variable transmission with ~40k miles on it. About two months ago I blew out the front right tire and took it to a tire shop. The folks at the tire ...
5
votes
2answers
2k views

What is that knocking sound my engine makes when the revs drop too low?

I have a 2013 Subaru Impreza with a 2.0 liter engine and a manual transmission, and when I let out the clutch too fast while in reverse or 1st, sometimes the engine RPM will drop so low that it makes ...
1
vote
2answers
27 views

Transmission Dip stick reading at Hot level [closed]

I just bought a 2000 GMC Jimmy with 170,012 miles on it. Is it normal that it is reading hot on the dip stick of the tranny fluid? yes this is after its been running for awhile.Also the previous owner ...
4
votes
2answers
178 views

Safe Way to Remove Engine Mount Support?

I'm working on a 98 Mazda 626 2L and I'd like to change the transaxle oil filter. However, a number of the pan bolts are blocked by a beam which has an engine / transmission mount sitting on it ( see ...
13
votes
2answers
27k views

Engine revs high 5th gear manual transmission

What might cause a car with a manual transmission that in 5th gear when given a punch of gas revs to very high rpms – with no power transferred to the wheels (i.e. the tachometer and speed go ...
3
votes
1answer
36 views

Gear Shifting from Neutral to Drive

Kindly, I am facing a problem in my gear, when I am shifting the Gear from Neutral to Drive. When I am shifting from N to D ( meaning the Status now " Drive ") the car Screen show that the Gear is ...
4
votes
2answers
102 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 ...
3
votes
1answer
36 views

Engine revs without much acceleration

In my Toyota Vitz 2007 (automatic transmission), I have facing a problem for about a week now. The problem is, sometimes when I press the accelerator, engine revs up but car does not accelerate much. ...
4
votes
2answers
5k views

Do I need computer reprogramming when transmission is replaced?

Honda Odyssey 2003: I'm replacing a transmission, and a local mechanic will help me to swap it in my garage. I've been told at a local shop, that in order to install remanufactured transmission ...
7
votes
4answers
52k 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 ...
3
votes
2answers
102 views

Why after a certain RPM with the same gear selected the car no longer accelerates?

I have basic understanding of gearboxes and why we use them, but what is baffling me is that after about 4000 RPM (at least in my car) it doesn't accelerate further (or it does slowly)... This seems ...