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

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3
votes
1answer
712 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
289 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
424 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
791 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
917 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
21k 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 ...
-2
votes
2answers
145 views

Engine Transmission

I've been having a problem recently, as I push the gas pedal my car moves super slow. It won't go faster then 10 to 15 mphs. As I drive it feels like the gears are not catching
3
votes
1answer
1k views

Honda Accord Jerks when shifting gears and makes grinding sound?

I have a 99 Honda Accord 2dr 3.0L V6 automatic. When I drive this car it makes a whooooo sound coming somewhere from the engine, when I turn to the right it is intense and when I turn to the left it ...
6
votes
4answers
76k views

Slow Accleration And Moving RPMs

UPDATE: I bought a scan tool and downloaded the torque app. I don't get any error codes. I decided to drive it again today. I drove about a quarter mile and barely got to 20MPH. I turned around and ...
3
votes
1answer
85 views

91 GMC accelerating problems

I have a 91 GMC 3500 dually 7.4. I recently had my transmission rebuilt and it ran fine for 6 to 7 months. I give it gas and it will go up to 40-45 mph and will stop accelerating like it goes in ...
1
vote
2answers
262 views

What could cause lazy shifting in an automatic transmission?

I'm trying to help out a friend who owns an '03 Chevy Caprice (Holden Statesman in Australia; LS1 V8). His transmission is misbehaving; it doesn't want to upshift unless the engine reaches a high ...
2
votes
1answer
4k views

What is a claw shifted transmission?

How is it different from an ordinary transmission? Is that a comparatively newer technology? If possible also add a few examples of motorcycles and cars which use claw shifting mechanisms. PS: ...
0
votes
1answer
112 views

98' camaro customization for highway MPG

I currently have a 98 camaro T-top 3800 V6 ,5speed live in Texas where people do 80-90mph normal. Also make 13-16 hour drives on a regular basis. Problem is @85/90mph in 5th gear it's going at ...
1
vote
2answers
164 views

Convert Manual to Computerized “Automatic”

I'm wondering if this is possible. With a conventional manual transmission (say, Tremec T56), could I install a small computer to press the clutch, change the gears, etc? Obviously, I would have to ...
1
vote
3answers
357 views

Rhythmic sound coming from rear end

There's a rhythmic sound emanating from my rear end, and I'm not sure what exactly it is. It varies with speed and is consistently present, regardless of clutch in/out, acceleration/deceleration, ...
2
votes
3answers
2k views

1997 Olds 88, trans issue?

A friend of mine pointed me this way due to my current problems; I've been working on this for three weeks and am no closer to diagnosing the issue, so hopefully someone here can point me in the right ...
23
votes
1answer
11k views

Why does the reverse gear in manual transmission cars sound different

When I got a manual transmission car (2003 Kia Rio) I noticed that it makes a winding sound in the reverse gear. Here is an example video that I found that demonstrates the sound. ...
5
votes
1answer
626 views

Manual Transmission Whirs when coasting down, clutch disengaged, shifter in gear

I have a 2004 Nissan Xterra. When I am at speed, usually in 3rd or so, and I am coming to a stop, I disengage the clutch, brake, and coast to a stop, with the shifter still in gear. As I do this, ...
0
votes
1answer
82 views

Operating stick shift [closed]

I drive a car with an automatic transmission, so I always wondered about how stick shift works. For example, say you are driving at 50 mph at 4th gear. When you want to slow down to a stop, do you ...
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 ...
3
votes
1answer
5k views

How does a AMT (Automated Manual Transmission) work?

I know that a TCU automates the operation of the clutch. But I'm clueless on how an AMT can do anything a human does using a manual. 1)If you are stopped at a hill. When pulling off, a driver brings ...
1
vote
2answers
5k views

I have an issue with Stepping on gas and no increase in speed

It only happens rarely.. but sometimes when stepping down the gas it would suddenly max out the speed gauge, and you hear the very loud engine noise as if i stepped down the gas all the way, but what ...
18
votes
2answers
8k 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
3answers
699 views

Engine spikes to 5000 rpm when pressing on gas pedal or going uphill

I'm having an issue with my 2001 Solara, and I would like to check out a few things myself before I have a mechanic spend lots of time diagnosing the problem. When the engine is under load -- I press ...
3
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 ...
3
votes
0answers
22 views

02 Town&Country not shifting out of first

This has happened three times now, and it's definitely becoming worrisome. While driving on the highway, the check engine light comes on. Nothing seems to be wrong initially, until I exit the highway. ...
3
votes
2answers
3k views

Car I test drove had a high clutch engagement point; why?

I test drove a 2002 BMW 325xi with 80,000 miles on it the other day and while it didn't have any major issues cosmetically or mechanically from what I could see, there was something strange about the ...
3
votes
2answers
3k views

How can I reset the adaptive transmission on my Pontiac G6?

My Pontiac has started shifting hard and sometimes taking a loooong time to find the gear. My first suspicion is that it has MDS (Multiple Driver Syndrome), so I'd like to try the cheapest option of ...
4
votes
2answers
264 views

Can I use a CNC machine or waterjet to make an adapter plate to adapt a 5 speed transmission to a rare, obsolete engine?

I am the sad, proud owner of a Nissan SD33T (Diesel), mated to a 4 speed T-19. The power this engine outputs (101HP, 160#/TQ stock) means it struggles on the highway, and I don't want to sacrifice my ...
1
vote
1answer
100 views

2001 Acura CL hard downshifts

Not sure of a better title, but Ill try to explain what I am experiencing as best I can. I've driven a few different automatic transmission cars with a manual mode. Normally when down shifting (to ...
8
votes
4answers
773 views

What problems may occur if clutch is not used?

I was curious about what problems may arise if clutch is not used when shifting gears. Are the problems similar for both cars and bikes?
4
votes
2answers
176 views

vanagon lurches forward, won't accelerate past 20mph or so

I have a manual 1982 diesel VW Vanagon with a 1996 Passat TDI engine in it. This morning (low 40s temp), accelerating up a hill, heard a hissing sound in left rear. Check tires, no problems. Able ...
2
votes
2answers
461 views

Grinding noise on transmision on a Ford Focus 1.4 i Zetec - 2002

Can anyone help me to find out where this grinding metallic noise comes from? Transmision fault? Bearing gone? or what? Here is how it sounds - http://youtu.be/YGAeINSTtrQ . The first part is when ...
16
votes
4answers
25k views

Driving in second gear at 65+ mph

I accidentally drove my 2000 Grand Marquis on second gear on the highway. I was going 65 for like 5 minutes and tried to get it to 70mph but the car was shaking, when I realized I put it into regular ...
-1
votes
1answer
210 views

Can all transmissions be shifted to neutral at any speed? [closed]

I say there is no such thing as uncontrolled acceleration. The reason for my comment is that I believe it is possible to shift any transmission to neutral at any speed and then you can bring the ...
5
votes
1answer
3k views

Automatic Transmission or Differential Backlash (Play)

I noticed that my car has what it seems to be significant differential play. I have a 1993 Acura Integra with automatic transmission. What I mean by play is simple: say I jack up only one front wheel ...
2
votes
1answer
157 views

CVT on 6 cylinder cars

The 2013 Honda Accord has both 4 cylinder and 6 cylinder cars, however, only the 4 cylinder cars have a continuously variable transmission (CVT). I was wondering... is there any particular reason for ...
3
votes
1answer
120 views

AWD truck doesn't shift smoothly. I was advised to not change the transmission fluid

AWD Mercury Mountaineer. 1997 Automatic transmission. 8 cylinder 5.0L 150k miles. fairly good shape. Pretty awesome truck. From 1st to 2nd gear, the transmission shifts with a light clunk. Also, at ...
3
votes
5answers
3k views

Should you change all of your transmission fluid?

I took my Lexus RX 300 to the shop, to change the transmission fluid. While talking to the tech, he said he sucked out half the fluid and left the other old half there. Is this proper? Shouldn't they ...
3
votes
0answers
103 views

Gearbox Swap '93 model mitsubishi triton MJ

I bought two cars, one as a road vehicle and another as spares. They're both Mitsubishi Triton MJ. My road vehicle is a '93 model and the spare is a '94 model. My question is whether it's possible to ...
3
votes
1answer
135 views

Is my transmission about to go?

I drive a 16 year old Subaru Legacy automatic which still has its original transmission and has never given me a moment's trouble in 16 years. Today while pulling out of a parking spot, I suddenly ...
1
vote
1answer
2k views

Top Speed varies even when using the same bike

I own a Hero Honda CBZXtreme bike. The top speed that I have reached is 122Km/Hr. But I am not able to reach this speed always. Sometimes the speed does not even cross 105 Km/Hr while travelling on ...
4
votes
1answer
142 views

Transmission stuck in neutral

I just recently bought a 1968 Oldsmobile 442 with a brand new transmission put in it. The guy I bought it from said there’s about 1200 miles on it but a few weeks after I bought the car I got in it to ...
2
votes
1answer
3k views

Tranmission fluid changing vs flushing

I have a Hyundai Elantra 2002 with 84K miles. The transmission fluid is pretty dirty and it seems like it needs some attention. I did a little of bit search online and found out some people suggest ...
1
vote
1answer
5k views

VW Polo 2008 won't go into first gear

Okay, so yesterday I stopped at a traffic light on my way home from uni. When the traffic light turned green again, and I was to pull away I could not get the gear into first no matter how much I ...
4
votes
3answers
570 views

Ford TSB covered under warranty?

I have a 2008 Mustang GT which seems to have the exact issue that is described by Ford TSB 09-09-06. TSB can be viewed here : http://www.stangpit.com/wp-content/images/docs/s197-tsb/09-09-06.pdf ...
6
votes
2answers
2k views

Why won't my Honda Rebel shift when idling?

I recently ( and successfully ) rebuilt the engine of my '09 Honda Rebel; she's running well but doesn't want to change gears when idling. If I'm moving she shifts gears without any hanging, ...
7
votes
2answers
13k views

Clutch pedal no longer provides resistance, clutch won't disengage, what likely failed?

A little background information: Car: 1993 Ford Mustang LX [2.3L I4], 5-speed T5 transmission. I bought the car a few months ago, according to the previous owner the clutch was replaced fairly ...
1
vote
1answer
884 views

How to generate involute gear milling Gcode

I need to make some gears/pinions myself. I have access to a high quality 4-axis CNC mill, but not to a lathe. I'd like to cut these gears out of flat stock (facing), rather than round (edgewise) ...