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

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2
votes
1answer
12 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
30 views

Transmission replacement and changing gear ratios

I have 1998 Dodge Durango. It's a 4x4 5.9L v8. I'm looking at replacing the transmission and seeing as I don't really need 4wd in the city, I'd like to get better fuel economy and better acceleration. ...
0
votes
0answers
8 views

1994 JETTA sloppy shifter won't go into 4th

1994 Jetta with manual transmission wouldn't shift into reverse. Friend said he reversed something and got it to go into reverse. Now all gears work accept 4th. and although 3rd and 5th work, it will ...
6
votes
1answer
821 views

Why do hybrids still use mechanical transmission?

One of the comments on this question reminded me of something I've been wondering for a while. Given that engines get the best efficiency at peak torque, why do most hybrid cars still use a mechanical ...
2
votes
4answers
47 views

Remove Transmission Oil Pan Stuck Bolt

I'm still in the process of changing my 2009 Nissan Sentra CVT fluid. But now I'm stuck, well, me and the pan bolt are stuck. I tried the combination wrench but couldn't get enough leverage. Took the ...
3
votes
2answers
70 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 ...
1
vote
0answers
21 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
-1
votes
0answers
54 views

electric moped + wind power

Which is better to charge a battery at minimum RPM? I want to make a wind mill project. Battery details: +----------+--------+ | Voltage | -48 V | | Capacity | -20 Ah | +----------+--------+ ...
2
votes
1answer
37 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 ...
2
votes
1answer
24 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 ...
5
votes
1answer
74 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 ...
0
votes
1answer
34 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
13 views

BDL primary driver inner plate install

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 ...
0
votes
1answer
41 views

hard shifting and snapping noise

I have a 2007 dodge ram 1500 hemi. When I accelerate hard I hear a slapping noise when it shifts, it also clunks when shifting if I let off the gas during a shift
3
votes
1answer
45 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
1answer
32 views

What parts/gears should be replaced if taking tranny down?

I have a bad 3rd gear synchro on my 2007 v6 6 speed manual Tacoma, which results in grinding when shifting 2nd->3rd gear if not done super carefully. As I feel confident in my mechanical aptitude, ...
1
vote
2answers
18 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. ...
1
vote
1answer
75 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
40 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 ...
6
votes
2answers
399 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 ...
6
votes
2answers
139 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
1answer
83 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 ...
2
votes
2answers
90 views

Pontiac g6 runs lean; throwing codes

My 2006 g6 v6 3.5 is showing codes p0171, p0174, p0705 and u0073 171 and 174 show that the engine is running lean. Is this a serious issue? 0705 shows the trans range sensor a circuit 0073 says the ...
1
vote
1answer
64 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 ...
2
votes
1answer
52 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 ...
1
vote
1answer
20 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 ...
5
votes
1answer
85 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
56 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 ...
3
votes
1answer
37 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 ...
3
votes
1answer
46 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 ...
4
votes
1answer
228 views

Clutchless Downshifts Using Throttle Blip on a Motorbike/Sequential Gearbox

This is with respect to non synchromesh, sequential transmission. Ducati along with several after market systems, implement clutchless downshifts by automatically applying a slight throttle to unload ...
2
votes
1answer
74 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
194 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
233 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 ...
5
votes
1answer
63 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 ...
5
votes
2answers
52 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
51 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. ...
2
votes
1answer
471 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 ...
4
votes
2answers
596 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
744 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
212 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
450 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 ...
2
votes
1answer
268 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
0answers
150 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 ...
2
votes
1answer
142 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 ...
1
vote
1answer
519 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?
2
votes
1answer
78 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?
6
votes
3answers
4k 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 ...
2
votes
2answers
184 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
338 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 ...