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

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1
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0answers
48 views

2006 Nissan Maxima transmission

I removed the transmission from a 2006 nissan maxima and have a 2 3/4" metal ring with teeth pressed into it and I don't remember where it goes
3
votes
3answers
5k views

turning right causing small vibration and noise

My 2004 Ford Focus makes small grinding and vibrating noises when turning to the right. The problem was much more severe earlier this month. I took it to the shop and had them get me new tires and an ...
2
votes
1answer
83 views

How Many Partial Oil Transmission Fluid Changes Until Clean

I have to change my transmission oil (2008 Nissan Sentra CVT). It has a 7 liter total capacity, but due to the torque converter, I can only drain 4 liters at a time. Thus, I have to make several ...
5
votes
4answers
9k views

1 Piece versus 2 Piece Drive Shaft

A guy on a Nissan forum asked why he should keep his 2 piece drive shaft in his truck instead of changing over to a 1 piece version. This was the answer I gave him: The 2 piece drive shaft (DS) ...
2
votes
1answer
71 views

Transmission knocking and coolant bubbling?

My 92 Ford Explorer knocks a bit when I switch gears. No matter what gear I switch to... (park to drive, drive to reverse, drive to neutral, neutral to park, it doesn't matter)... the car just rocks a ...
1
vote
1answer
175 views

Heavy Towing 2007 Chevy Avalanche 5.3L [closed]

I'm going to be doing a bit of heavy towing with my truck. Up to and sometimes over its rated weights (approx 7000lbs). What can I do to add the necessary power and transmission performance that I'm ...
5
votes
1answer
158 views

Rust underneath rear of car (Toyota Mk1 MR2)

I have recently acquired an old (1989) Mk1 Toyota MR2 and took a few photos of the underside rear of the vehicle. There seems to be a fair amount of rusting on the rear axle and gear box: gear ...
6
votes
3answers
6k 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 ...
0
votes
1answer
141 views

What happens when cranking vehicle in gear?

What happens when you crank the engine but the transmission is not in neutral? Are you applying torque to the transmission? Should the vehicle always be in neutral when turning the crankshaft ...
1
vote
0answers
29 views

BDL primary driver inner plate install [closed]

I am for the first time ever, in the process of installing a replacement Ultima 6 speed transmission with the same make and model on my 1994 Harley Davidson softail custom trike conversion. It has a ...
2
votes
1answer
76 views

Clutch issue in 1995 Mazda Miata

My clutch pedal had absolutely no pressure unless I would pump it, but that wouldn't do much. It finally gave out so I changed the master cylinder next to the break cylinder with one that I know works ...
3
votes
1answer
160 views

Is it possible to test tranny when off vehicle?

I am preparing to do my first transmission (manual) rebuild job. I was just curious if it is possible to test whether the job has been done right while the tranny is off vehicle while simulation ...
1
vote
2answers
19 views

96 Chevy Cavilier Leak From the Transmission

I'm looking at buying a 96 Chevy Cavilier which looks from the pictures to be in very well kept condition. The only drawback the seller mentioned was an unknown leak from the manual transmission. ...
5
votes
1answer
90 views

Mystery Sensor on Manual Transaxel Housing

I have a 97 Mazda - 323 S V (BA) - 1.8 i 16V (114 Hp) with a manual 5 speed transmission. While trying to change the oil, I noticed the following connector, with one missing wire on what I think is ...
6
votes
2answers
2k views

What is the difference between an automatic and an AMT

I have seen many recent car launches in my home country which claim to have something called as an AMT or Automated Manual Transmission. I am curious to know how is this different from a traditional ...
1
vote
1answer
183 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 ...
1
vote
1answer
137 views

2006 Saturn Ion wont 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 its ...
5
votes
1answer
344 views

2002 Peugeot 206 Clutch won't disengage

When the car is running, I am no longer able to put it into any gear; like it would happen when you're not holding the clutch, so that is one of the reasons why I think there is something wrong with ...
7
votes
2answers
966 views

Any truth to the “myth” about changing transmission fluid in older vehicles?

I have had people give me anecdotal stories (friend of a friend type thing) about changing the transmission fluid in vehicles with 150,000+ miles, especially those that haven't had regular ...
5
votes
4answers
14k views

Random RPM jump when accelerating hard

I should state first off that I'm not much of a car guy when it comes to the actual mechanics behind them. I just wanted to check if there's anything going wrong with my transmission. I drive a 03 ...
3
votes
1answer
76 views

Grinding when shifting into 1st from a stop

My car (2013 Ford Focus, 12k miles, 5 speed manual) suddenly started to grind when shifting into 1st from a stop about halfway through my commute home. I realized that if I depress the clutch for long ...
1
vote
1answer
30 views

Gear slips MM540 while applying clutch/stop accelerating

While I drive in 3rd gear its fine, but if I try to apply brakes/stop acceleration suddenly, 3rd gear slips into neutral position (Not exactly neutral) and while I try to put third gear again, it ...
6
votes
1answer
146 views

Converting floor jack to tranny jack?

Is it possible to adapt/convert a regular floor jack to a tranny jack for the purposes of lowering the transmission assembly?
3
votes
1answer
153 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 ...
1
vote
1answer
2k views

VW Golf manual will not move forward in 1st gear but can reverse

When I stop the car, sometimes it will not move forward from 1st gear but if I reverse it will clear the issue. Then I'm able to drive forward in 1st gear again. Reverse seems to reset the car. What ...
1
vote
4answers
6k views

Hydrostatic transmission oil confusion

I have a John Deere LX176 lawn tractor and am confused about its hydrostatic transmission oil. The manual states that the hydrostatic transmission oil should be "SAE 10w30 engine oil with API ...
5
votes
2answers
68 views

01 gti not going into reverse 1st 3rd or 5th after I changed the clutch

So I changed my clutch a few days ago and now it will not engage reverse 1st 3rd or 5th gear but will engage 2nd and 4th no problem with the car on and off. I readjusted the cables but still nothing ...
3
votes
1answer
4k views

Toyota FJ Cruiser transmission problem

Got Toyota FJ Cruiser 2010 Automatic, 4x4 full stock (no warranty, I live in Central Europe). I have strange transmission issues. I had already spent 2,5 years of life and about 2500$ just to diagnose ...
3
votes
1answer
68 views

Transmission not shifting from park

I own a Nissan Maxima 2000. Over the past 2 or 3 days I am observing a strange problem with my transmission. Once I start the vehicle, I place my foot on the brake and try to engage drive, the shift ...
2
votes
2answers
64 views

How to undo transmission nuts

I have an ~1986 Yamaha Ag 200 and I've been pulling it apart as a bit of a hobby to understand a bit more about how it works and hopefully in the end get it going. I've opened it up so some gears ...
4
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 ...
0
votes
1answer
272 views

Material and construction properties of drive shafts, wheel shafts, gearbox

I am looking for some typical properties of a 1.4L rear-drive car's drive shaft, drive-wheel shafts and the gearbox. I need to calculate the moment of inertia of the components of the drive-train. So ...
2
votes
1answer
277 views

Rough idle in neutral

I have a 6-speed 2012 135i, and whenever I idle in neutral, the car vibrates and makes a noise that I can only describe as sort of a faint grinding sound (it doesn't actually sound as bad as that ...
2
votes
3answers
308 views

Should I put my (UK) Automatic into Neutral at stops?

I have a Vauxhall diesel automatic with electronic handbrake. Which of the following is the best procedure at a red light? Leave in drive, foot on brake Leave in drive, engage handbrake Place in ...
4
votes
2answers
265 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 ...
3
votes
1answer
83 views

Surely I'm refilling my transmission fluid incorrectly

My car ('96 Ford Taurus) developed a transmission fluid leak and lost an unknown amount of fluid. I fixed the leak and began replacing transmission fluid but this has proved to be extremely tedious. ...
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 ...
2
votes
1answer
545 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. ...
2
votes
1answer
284 views

How bad is it for transmission if you release clutch without gas in second gear?

For instance, if you stop at the red light and you release clutch while still in gear in manual transmission, the car would wobble and die. Of course you can start it up again, but what is the actual ...
2
votes
1answer
934 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 ...
1
vote
1answer
930 views

During accelerating rpm going up but not speed [duplicate]

I have a Hyundai Accent 2002 car. Recently, each time I hit the race paddle to accelerate, my RPM goes up, but not the actual speed of the car. Could anyone think of what's the problem?
3
votes
0answers
268 views

Possible transmission fluid leak

2001 Toyota 4Runner SR5 265K miles. I haven't driven it in 2 days and came out and found a small pool (about 2 teaspoons at the most) underneath the engine area. It's clear with a tinge of red, no ...
3
votes
1answer
690 views

How to add transmission fluid with no dipstick?

I have a 2003 chevy cavalier, and just replaced the radiator due to a transmission fluid leak into the antifreeze. I don't know how much fluid was lost because the transmission was designed without a ...
5
votes
6answers
15k views

How will I know clutch pads need replacing?

I have a manual shift honda civic. How would I or the motor mechanic know that the clutch pads need replacing? Would they check it during oil change? Certainly you don't open the transmission box to ...
2
votes
1answer
282 views

Can you start an automatic car whilst in drive?

Is it possible to start an automatic car whilst in drive? If it does start in drive, is this considered dangerous?
2
votes
2answers
420 views

2010 VW Stuck in Park

I have a 2010 VW Jetta Stuck in Park. When I turn it on, press the brake, and press the shifter button it doesn't move. How do I get it out of park? The brake light and dash indicator do toggle ...
6
votes
1answer
777 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 ...
3
votes
2answers
902 views

Difference between “dumping the clutch” and N->D in an auto?

What's the difference between dumping the clutch, and going from N->D at high RPMs with an automatic transmission? Will this cause any damage to the vehicle?
12
votes
5answers
20k views

How difficult is it to rebuild a transmission?

I have a 1984 Toyota Supra that is now exclusively a track car. The last round out we let some less experienced drivers take the wheel and they basically destroyed the transmission. Nothing but 4th ...