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All Questions

0
votes
1answer
30 views

Is the crankshaft connected directly to the wheels?

If my understanding is correct, a car (in simple terms) has; The crankshaft, then; The clutch and gearbox, then; The propshaft, then; The differential, then; The driveshafts and the wheels. ...
0
votes
0answers
14 views

2016 1.4 Polo Vivo Trendline Doesn't Engage Gears 1, 2, 4, and Reverse

I was driving my Polo Vivo 1.4 with no issues. I stop for a traffic light, then when I try to put it in gears number 1, 2, 4 and reverse, it doesn't allow me to shift to them. It's like there is ...
0
votes
1answer
70 views

No pressure in clutch after bleeding the system

I have a 1992 GMC C2500. When I got it there was no pressure at all in the clutch. I bleed it from the bleed valve for about 20 minutes to make sure there was no more air bubbles coming out. After all ...
1
vote
1answer
39 views

How to tell if cv axle is in all the way?

Just replaced axle on a passenger side 98 Honda Civic. This was my first time doing this job without any supervision so I’m a little unsure if the axle is all the way into the transmission. I did ...
0
votes
0answers
8 views

2002 Subaru Forester N/A 5spd stuck in 5th

Changed roughly into gear and is now stuck in 5th no other issues drives fine was wondering what components were likely to have broken or may have broken
6
votes
1answer
940 views

Should gear shift center itself while in neutral?

I have a 2001 Mitsubishi Eclipse, 5 speed manual. Transmission works great, but one thing I’ve noticed is that when in neutral, the gear shift seems to stick to the left or right. Sometimes it might “...
1
vote
1answer
56 views

not fully shift gear- position between second and neutral

i am beginner driver, sometimes when i shift into second gear too fast ,i didn't push stick it all the way and after release the clutch you could hear the scratch sound ,stick vibration and after few ...
12
votes
9answers
10k views

How to add a 7th gear to a car to enhance fuel economy?

Let's say there's a 6-Gear manual transmission car, whose 6th gear equals 2000 rpm at 100 km/h (~60 mph). How can one theoretically add a 7th gear that can maintain the same speed at 1400 rpm in ...
1
vote
1answer
872 views

Hard to get into 1st and 2nd gear, when clutch is pressed against the left side

I have a manual Nissan Qashqai dci, where when I hold the clutch stick left, in order to switch to 1st or 2nd gear, I find it very difficult or almost impossible. I have to hold the stick lightly and ...
1
vote
1answer
56 views

2001 vw jetta reverse loss

I have a 2001 Volkswagen jetta 2.0. I had it at the shop and the gears all worked as normal. They put a transmission mount on my car and when I got it back I couldnt get reverse. First has shifted ...
2
votes
2answers
480 views

Transmission Rebuild or Replacement

I have been reading and hearing about transmission rebuilding or replacement. Today a person was asking if they should sell their car or keep repairing it (it had a transmission problem). Notice that ...
1
vote
2answers
2k views

Manual doesn't go into 2nd gear smoothly

I owned a 2005 Infinit G35 and it has a manual transmission. At some point something strange was happening in regards to shifting. Example: When in first gear, if I revved the engine to 3000RPM and ...
2
votes
1answer
1k views

Grinding when shifting into gear (new clutch)

I was thinking of buying a car but it ALWAYS grinds when shifting into 4th gear (up or down) regardless of the rpm. It occasionally grinds when shifting into 5th and 6th (only up) at a higher rpm. ...
1
vote
0answers
3k views

Mitsubishi truck Stuck in gear - manual transmission, shifter moves

Anyone has suggestions for what to check when a manual transmission won’t shift out of gear? It’s a 1984 Mitsubishi turbo diesel truck with 5 speed manual transmission. When the clutch is released ...
-1
votes
1answer
216 views

Car Clutch issue after repair Vauxhall Zafira 2007

I replaced the gearbox cable at mechanic and after that the clutch box is not working properly. All the gears are very loose and the first gear sometimes works as a reverse gear but the reverse gear ...
2
votes
2answers
3k views

Scania 4 series Opticruise gearbox problems

I am having issues with the Scanias. I have a 4 series Bus (K124) Opticruise. These are 8 speed 4 Low / 4 High Range. We are having an intermittent issue with banging into gear. This will only happen ...
1
vote
0answers
574 views

Whining Engine Noise Nissan Qashqai

Vehicle: 2013 Nissan Qashqai Yesterday driving my Qashqai was a weird experience. The car starts jerking (as if it were on a hill with low speed/incorrect gear) on the 2nd gear at 2500RPM. I usually ...
3
votes
1answer
489 views

Can 2 gearboxes for the same engine but different codes be compatible?

I need to change my gearbox. I own a VW Golf 6 from 2009, 1.4 TSI, 122 HP, engine code CAXA. The gearbox code is LHY. I found at a scrap yard a gearbox from an identical car (even the same engine ...
2
votes
1answer
122 views

Parts to replace when changing transmission

For a simple manual front wheel drive car like a 04 Honda Civic, or any Honda Civic, what parts should be replaced that are easier to replace when the transmission is out? I'm replacing a manual ...
3
votes
1answer
5k views

Broken gear shift?

Last week I bought a 2004 Ford Focus. It has 170,000 mi on it. I was told the transmission and clutch were new. Last night, (and this evening), I was trying to teach my daughter how to drive "stick". ...
1
vote
2answers
2k views

Super 95 E10 vs Super 98?

Can i use Petrol: Super 95 E10 in my car? I basically use Super 98 on my car but the price is very expensive now 1.50 Euro cent. Where as Super 95 E10 is 1.20 Euro cent. My car manual says i can use ...
1
vote
3answers
10k views

I have 5th gear issue , can i drive in 4th gear at 100km to 115km?

My car scares me while changing gear from 4th to 5th gear because it goes to 3rd gear. As a result on highways i get scared to change to 5th gear. Can i drive my car in 4th gear at speed range ...
4
votes
3answers
1k views

4th gear to 5th gear puts to 3rd gear often?

R, 1, 2, 3, 4 works great. But when i am in highway driving 90km to 120km and trying to switch to 5th gear. I have a strange problems. When Engine is running live: - from 4th dragging straight to 5th ...
2
votes
1answer
210 views

Does a dual-clutch transmission require synchronizer cones?

When you shift in a traditional manual transmission, the clutch is disengaged and a sleeve is shifted from one gear to another. The teeth of the sleeve must align with the teeth of the target gear. ...
2
votes
1answer
1k views

Swapping fully-synthetic manual transmission fluid for semi-synthetic

I changed my gearbox oil today but afterwards I noticed that the bottle said 75w-90 Semi-synthetic, this got me curious so I rang ford to double check the spec and they said that I should use 75w-90 ...
12
votes
2answers
4k views

Car won't come out of reverse gear unless rolling

I have a 1989 Nissan Skyline R31 and when I put it into reverse, it will refuse to come back out of gear. The clutch was changed a few thousand km's ago and has had this problem recently. The only ...
1
vote
0answers
92 views

Where to learn about manual transmissions?

I own a 2007 ford fiesta ST150, which is a 2L FWD, so obviously it has a transaxle. I'm generally pretty comfortable working with my car, I'm only an amateur, a shade tree mechanic but I'll happily ...
2
votes
1answer
1k views

In a manual car, does changing gear quickly put more wear on the synchro's?

I have a ford fiesta with a manual transmission, and often when I'm driving gently, I'll take more than a second or so to change gear after I depress the clutch pedal. I press the clutch pedal, slowly ...
3
votes
2answers
1k views

Gear grinds when changing down into 2nd on VW LT 35 TDI LWB

When I change down into 2nd gear, it grinds. Changing from 1st to 2nd is a bit clunky, but it doesn't grind like going from 3rd to 2nd. It's a VW van - LT 35 TDI LWB. Does anyone have an idea what it ...
5
votes
1answer
1k views

Clutch problems in 5th gear

I'm having strange problem. While I drive my car in 1st, 2nd, 3rd or 4th gear, everything is fine and dandy. However, when I change my gear to 5th. Car runs perfectly BUT the clutch becomes so easy to ...
2
votes
3answers
8k views

Gear stuck in neutral when engine is running

Today when I tried entering a roundabout, my 2003 Astra's gearbox got stuck in neutral as I tried shifting to first. I finally managed to shift after wiggling the stick around and applying more force, ...
20
votes
11answers
32k views

Need I press clutch pedal while starting my car in neutral?

As I know, clutch pressing and neutral gear both disengage the engine from wheels. So will it matter if I do not press the clutch if I start in neutral?
3
votes
2answers
5k views

Why doesn't a car parked in first gear roll backwards?

In manual transmission, it is common practice to park a car in the first gear on uphills or in reverse gear on slopes - in addition to park brakes of course, but let's assume it is not being used in ...
2
votes
1answer
223 views

Internal or external gearbox problem?

I've just had a 14 speed gearbox of a 4 series Scania repaired. It was going to have 1st gear rebuilt & there was a broken ring/collar gear (for synchro). I was hoping it would fix the problem I ...
7
votes
2answers
1k views

Why is it almost impossible to put the car in first gear at high speeds?

Why doesn't the transmission allow me to put the car in any gear I want (e.g. first) at any speed I want? Is the transmission (including the synchronous gears) disconnected from the flywheel when the ...
5
votes
2answers
1k views

Why couldn't I shift into 1st gear with car not stopped in my Renault, but my Volvo lets me do it?

I used to have a Renault Laguna (model year 2000) until I got a Volvo V70 (model year 2006) to replace it. One of the things that annoyed me somewhat about the Renault was that, if I was e.g. ...
7
votes
2answers
25k views

Something Blocking Stick Going Into First Gear

I seem to be having a bit of trouble with the first gear of a 2004 Opel Corsa. I have pulled off the gear stick cover and cant see anything stuck so it must be something that is more internal. When i ...
5
votes
2answers
17k 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, ...
13
votes
6answers
4k 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 ...
8
votes
2answers
4k views

Do Manual transmission cars perform better than Automatic transmission?

I'm stuck between choosing a car available in both automatic transmission (CVT) and Manual transmission (6 speed). I wanted to know which one will perform better in the following aspects (considering ...
9
votes
2answers
2k views

Skipping gears when downshifting

Is it bad to skip gears when downshifting manually, e.g. from 4th directly down to 2nd etc?
11
votes
4answers
73k views

Optimal RPM range for manual transmission

Are there optimal RPM ranges for different vehicles? I've been told it's better for the engine to drive at slightly higher RPMs (e.g. 2500-3000 for my Tacoma) than low (1000-1500). I understand a ...
7
votes
4answers
854 views

Are there cars that can shift to reverse even while moving?

I am aware that a car has to be at full stop in order to shift to reverse. Then I saw a video which was able to do a reverse without even stopping. Insane parking https://www.youtube.com/watch?v=...
10
votes
1answer
2k views

How does Audi Crown Gear Center Differential work?

I'm trying to understand how the engagement of the clutches is varied. I see the power is transmitted through the center input shaft and is transmitted through the four pinion gears, but I don't ...
15
votes
4answers
7k views

Why do 5 and 6-speed transmissions typically need different gear ratios?

My 2013 Subaru WRX has a 5-speed manual, and I long for it to have a 6th gear when cruising on the highway. A friend has a 2012 Subaru STI with a 6-speed manual, and I noticed his car runs through ...
8
votes
1answer
2k views

Is it bad to shift into reverse while still moving forwards?

I often put my manual car into reverse while still moving forwards. I do it at less than 10mph. However, sometimes the gears crunch. Am I doing any damage by doing this? Why do the gears crunch? I ...
3
votes
1answer
304 views

Cars 101: How is torque conveyed from transmission to differential?

This is a very basic question. I understand that the torque is passed from the engine onto the transmission via the flywheel in manual transmission or flexplate in case of automatic. The transmission ...
4
votes
2answers
20k 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 ...
2
votes
2answers
38 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. ...
3
votes
2answers
996 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 ...