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

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4
votes
2answers
104 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
213 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 ...
12
votes
4answers
11k 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
100 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
897 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 ...
1
vote
2answers
48 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 ...
2
votes
1answer
90 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 ...
7
votes
3answers
7k views

chevy impala jerks after stopping

I have a 2003 chevy impala. When I hit the gas (whether it be a light tap or hit it pretty hard), my car kind of waits a second, jerks and then takes off (revs go kinda high when it's waiting). To ...
3
votes
1answer
85 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
1k 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 ...
2
votes
0answers
80 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
2answers
2k 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 ...
1
vote
1answer
1k 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 ...
3
votes
1answer
95 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 ...
0
votes
1answer
923 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 ...
3
votes
1answer
89 views

Yamaha YZ125K 1983 transmission bearings

I'm restoring an engine and am unable to locate 3 gearbox bearings. Identifying mark is either IXO or IKO. It is a needle roller bearing type and sits RHS crank case 1/3rd gear shaft. Mark clearly ...
4
votes
1answer
104 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 ...
3
votes
2answers
2k 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 ...
1
vote
2answers
220 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 ...
2
votes
1answer
2k 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
2k 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
274 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 ...
5
votes
2answers
985 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, ...
6
votes
2answers
5k 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 ...
3
votes
1answer
2k 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 ...
1
vote
1answer
537 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) ...
0
votes
0answers
126 views

Volvo 940 Dashboard Flashing winter Driving arrow

The flashing “winter driving” arrow on the dashboard according to the maintenance manual calls to take it to a Volvo dealer due to a transmission failure. Could this be due to cold weather, and what ...
1
vote
2answers
649 views

How does a belt drive CVT variator work?

The title basically says it all, but I am the most interested in what the rollers actually do?
3
votes
0answers
157 views

Pulley Difference After Drive Belt Change

I have one worry after yesterday's fairly difficult but successful drive belt change on my Big Boy scooter. The main nut on the fron pulley now goes on much less further than before it came off. I ...
1
vote
1answer
123 views

How well should a slip yoke be polished to give a proper seal?

Gear oil started leaking out of the rear output seal on my '01 Outback started -- onto the exhaust of course, as every fluid in a Subaru seems to do. It's not a lot, but smells terrible. Along with ...
2
votes
1answer
186 views

When looking at a transmission, how can I know if there is a LSD?

How can I know if there is an LSD installed on a transmission from a Dodge Neon 2003? For what indicators should I look for?.
7
votes
3answers
194 views

Switching gears without clutch

I drove manual car for a long time but never tried to switch gears without clutch. Question: given that clutch-less shift is executed properly, does it take a toll on transmission in any way? For ...
3
votes
1answer
778 views

Sluggish Acceleration, Minor Surging

I have a 2000 Infiniti i30 with 160K miles that is in fantastic shape. I purchased it from a mechanic who had gotten it from a customer who basically ended up not wanting it. The mechanic replaced the ...
2
votes
1answer
1k views

Altima Clutch and/or Transmission Problems

I have a 2005 Nissan Altima SE with a manual transmission. The clutch was completely replaced about 7k miles ago. I bought the car about 5k miles ago. At around 2-3k miles ago is when the problems ...
4
votes
1answer
73 views

Major transmission failure - Manufacturing fault?

I have recently purchased a brand new 800cc 4 speed manual dune buggy. As part of my testing after around 3 hours of driving (carefully and without any impacts) the manual transmission has essentially ...
4
votes
2answers
3k views

Engine braking with an automatic transmission

For reference, I've reviewed these three questions: Manually shifting an automatic transmission? Does Downshifting (Engine Braking) Cause Extra Wear and Tear? Is engine braking harmful? I drive a ...
1
vote
2answers
814 views

How much efficiency is robbed from 'pumping loss,' if any?

I'm specifically referring to the loss due to the pistons pulling air through a mostly closed throttle while cruising at highway speeds in a gasoline engine. To give an example, I've always wondered ...
5
votes
3answers
3k views

Semi-automatic car inadvertently driven in manual mode

I have a 2008 Mazda 3 car with a semi-automatic transmission (i.e. it is automatic with the ability to switch to a manual mode). On the weekend, it was driven by somebody else who accidentally put it ...
1
vote
2answers
247 views

Possible to diagnose broken transmission without starting engine?

While I know a little about cars, the bulk of my knowledge came from when I was a kid bolting on stuff to my Honda and racing it illegally. (So, not much.) My '96 Civic DX (5-speed) recently passed ...
7
votes
2answers
4k views

Manual transmission at stop: 1st with clutch in, or neutral with clutch out? -OR- Throwout Bearing wear

When sitting in traffic or at a long red light, is the Best Practice to have the car in 1st gear with your foot on the clutch, or in neutral with your foot off the clutch? Some say that you should be ...
7
votes
3answers
2k 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 ...
5
votes
1answer
2k views

Passing Emissions Test: Can't figure out how to fix code P0705 on a 1997 Nissan D21 / Hardbody / Pickup

So hello. I have had a lot of luck with my other vehicles on forums and a recently became the (hopefully-soon-to-be)-proud owner of a 1997 Nissan D21/Hardbody/Pickup XE. It has 156k miles on it and is ...
1
vote
1answer
174 views

Toyota Camry 2000: Odd Coughing when starts

Recently, I notice that my car begins coughing couple minutes after it starts. It have happened since Jan, 2012. First, I thought it might be due to Winter since it is cold weather. However, it ...
0
votes
3answers
1k views

How to reduce engine drag

Reading this question - Is engine braking harmful? - reminds me of a question I have always wanted to ask. I used to own a Prius. When the Prius is cruising at low speed at a slight downward slope, ...
1
vote
2answers
129 views

Can anyone identify the problem?

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 ...
4
votes
3answers
3k views

Reverse difficult to engage with manual transmission

I have a 2000 VW Jetta TDI with a manual transmission. In the past few days, I have not been able to push the gear shifter into reverse without letting up on the clutch. I get about halfway from ...
1
vote
1answer
253 views

97 Bonneville, strange problems accelerating

I'll try to explain this problem as clearly as possible. I have a 97 Bonneville, automatic transmission. When accelerating from idle, sometimes two strange things happen: the car reaches ~20 mph, ...
1
vote
1answer
557 views

1990 Acura Integra LS manual transmission clutch replacement

I'm trying to replace the clutch in my manual transmission 1990 Acura Integra LS (5 speed, 4-cylinder). In the course of doing this, I need to remove the transmission which is connected to the shift ...
2
votes
2answers
103 views

CV Joint Overhaul - is it worth it?

I have problems with one of my CV joints on my 1993 Acura. I read the repair manual and they suggest that actually fixing the joint itself is a pain and that most people should just buy a new axle ...
1
vote
1answer
767 views

How do I change the CV Joints on my 2003 Acura TL?

How do I change the CV Joints on my 2003 Acura TL? My 2003 Acura TL 3.2 has been making creaking sounds when I turn around corners and I've been told that old, noisy CV joints are likely the culprit. ...