Questions tagged [transmission]

These are questions regarding transmissions in general (either manual, automatic or CVT transaxles and their component parts). This tag is not for questions specific to any type of transmission. Instead, use [manual-transmission], [automatic-transmission], or [cvt-transmission] INSTEAD. Use this tag if the question is relevant to multiple types of transmissions.

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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. ...
2
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1answer
5k views

How Can I Determine How Much Transmission Fluid To Add to My Truck When The Dipstick doesn't seem to be correct

I recently bought a 2001 F-150. The first time I checked the transmission fluid level, it looked like it was overfilled but the filler tube mount had rusted off and I figured it wasn't accurate. Last ...
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1answer
1k views

Strange ticking noise on Golf Mk5 1.9 TDI

I own a VW Golf Mk5 1.9 TDI year 2005. There is a strange ticking noise coming somewhere from under the hood and as it seems it starts and is mostly noticeable when I press on the clutch. This noise ...
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0answers
22 views

transmission thump and late shifting

My 2003 Lincoln LS transmission was thumping going into 3rd gear. Eventually got worse and got codes for transmission. Mechanic replaced the solenoid pack. Now it's still thumping, but not as hard, ...
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0answers
1k views

What is this funny noise coming from my car only when I reverse?

My 2003 Opel Agila is making a really funny grinding/squealing noise coming from the front of the car only when I reverse, also when I go forwards sometimes you can hear it but it's really quiet, it's ...
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1answer
4k views

Why am i losing tranny fluid but no leak

I have to put more in about ever month and have no leaks any where and also will pulling a small trailer hurt my 2008 entoroge van
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3answers
1k views

Using an old car as a generator

This is a very general question asking for some specific answers. Essentially, I would like to take a vehicle and strip it down, and to turn it into a generator. I’d like to take advantage of the ...
0
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1answer
230 views

2007 Dodge Charger 2.7L A/T - Limp Mode only on Heavy Throttle & Hanging in Gear

Back with an update. Trying to help out my neighbor here. 2007 Charger with a 2.7L. 100k+ Miles on the body/transmission. "If I drive very carefully I can get it up to highway speed. If I romp on it,...
2
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3answers
132 views

Why do EVs with a single speed gearbox still require a gear box at all?

A Tesla Model S for example has a single speed gearbox in between the motor and the rear axle of the wheels. What's the purpose of that gear? Why can't the motor be mated directly with the axle ...
2
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0answers
325 views

2007 Dodge Charger 2.7L A/T - Limp Mode on Heavy Throttle & Hanging in Gear

Trying to help out my neighbor here. 2007 Charger with a 2.7L. 100k+ Miles on the body/transmission. "If I drive very carefully I can get it up to highway speed. If I romp on it, or push it too ...
3
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3answers
495 views

How can I unseize a transmission pan bolt?

All bolts were tight as hell. One last bolt I put everything I had on it, vice grips etc... [Vehicle: 1995 Ford Mustang, 6 cyl] This thing will not budge. Please help a brother out.Thanks
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0answers
4k 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 ...
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1answer
113 views

My 2015 Subaru Impreza hesitates when turning after stopping?

Impreza requires full throttle when coming out of a driveway and turning. It never does this at any other time. Dealer told me it was a problem caused by the CVT transmission? This can be really ...
7
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5answers
6k views

Does an increase in horsepower allow a greater speed in any given gear?

I wasn't sure if this was the best place to post this, or if I should go post it in the physics stackexchange as well. I can crosspost if this question would be more fitting over there. To put this ...
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2answers
104 views

Can anybody tell the name of this part from my Renault Megane Sedan 2006 1.6 l?

A part in the gearbox of my 2006 Renault Megane 1.6 l broke so the service needs this part to repair it. It's placed somewhere in the clutch, gear, cylinder system. Problem is I dont know how is ...
3
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1answer
122 views

Can't get shaft into transmission

I have a 2WD drive 2012 Mitsubishi Outlander SE 2.4... I have been frustrated trying to get this part in for 2 days. I am trying to replace my CV axle but for the life of me, I cannot get this shaft ...
5
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1answer
658 views

Any maintenance advantages to replacing shift solenoids that have not failed?

Is there any maintenance advantage to replacing shift solenoids that have not failed? There isn't a stated service interval for these parts, that I am aware of. By contrast, most vehicles have ...
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0answers
1k views

Can't shift into park - '09 Chevy Malibu

So old faithful (faithful to break at least) is having problems again (2009 Chevy Malibu). The gear shift intermittently won't shift into Park. It will shift out and between any other gears with no ...
-1
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1answer
337 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 ...
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0answers
26 views

Truck will not go when first starting

I have a 1994 Mazda B4000. In the past week the truck has gotten where it will not go from a stop, it simply revs the engine for around 30 seconds. The truck will then jerk and go. It will do this one ...
3
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3answers
1k views

Explaining why electrical and hybrid cars always have automatic transmission

I am trying to understand if or why electrical and hybrid cars always have automatic transmissions. I know that a conventional petrol/diesel engine only have a small effective torque range, so you ...
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1answer
140 views

Use Multi-Vehicle Automatic Transmission Fluid [duplicate]

Can we use Multi-Vehicle Automatic Transmission Fluid (ATF) for a transmission that Manufacturer specified to use Toyota-IV?
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0answers
129 views

5 speed to 6 speed transmission swap reprogramming?

I have a 2003 Pontiac Vibe (which is the same as Toyota Matrix) that the transmission locked up. For what I researched it is a very common problem with the Vibe. Solution suggested was to swap it for ...
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2answers
348 views

Please help me to choose a proper Automatic Transmission Fluid

My car has a Aisin 81-40LE(Toyota U440e) 4-Speed Automatic Transmission. I want to change ATF, can i use multi-Vehicle ATF's like "Aisin ATF Plus"? Also can i mix new fluid with old? Can we use Multi-...
2
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2answers
5k 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 ...
5
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2answers
121 views

In an electric vehicle, do you need to come to a complete stop before switching to low gear?

I recently got a 2016 Ford Focus Electric. Before that, I was driving a 1996 Toyota Camry Wagon. I've been told many times that one needs to come to a complete stop before changing gears or else ...
2
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2answers
2k views

Why is my motorcycle making a “bang/thud” noise when I shift?

I used to shift properly without any hiccups before. Lately, I am hearing a "bang/thud" noise while I shift gear. Its mostly experienced in lower gears and it's really smooth in higher gears. Why is ...
2
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0answers
173 views

Transmission Swap - Nissan Rogue Sport - Warranty still intact?

My wife and I purchased a Rogue Sport in the US and, though we love the vehicle for the space, were dismayed that we couldn't find it in a manual transmission. In looking at Nissan UK - it appears ...
2
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0answers
20 views

Mini Cooper base

The shift cable bushing broke. I replaced it. I had to replace the slave cylinder and master cylinder. I have bled the clutch. I have a good clutch pedal with the car running and I can put it in ...
1
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0answers
718 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 ...
1
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0answers
449 views

What limits the max power rating of a V belt drive?

We know that belt drives are limited in their max possible power rating and most high power/torque applications(trucks) use gear drives. I wanted to know the main factor that limits the power/torque ...
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0answers
578 views

Parking pawl or parking brake creak

I have recently observed a slight creak in my car which I think comes from the parking pawl in my 2016 Toyota RAV4 hybrid. It doesn't have a conventional automatic transmission, but I still believe ...
1
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0answers
80 views

Is this transmission busted

This is a lancer evolution X MR with the Dual clutch TC-SST transmission: https://en.wikipedia.org/wiki/Twin_Clutch_SST The car will not move when in gear, the engine will rev but the car will not ...
4
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1answer
6k views

turn off the car while the gear shifter (N)?

firstly I am happy to join her in amazing place I have very important question and it's really am afraid about it I have 2017 hyundai elantra automatic transmission (AT) Hear is what happened "last ...
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2answers
567 views

Gear display on MFI Volkswagen Polo Highline right drive cars

I'm a new driver, and often get into the wrong gear (I'm not yet comfortable with the multitude of controls in this car which is a 2011 VW Polo Highline). Is it possible to show the current gear ...
2
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1answer
20 views

What to do with transmission hoses during radiator change

When changing my radiator (94 Chevy k1500 4x4 ext) do I need to plug the transmission hoses after disconnecting them?
4
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1answer
1k views

Component identification - Mini Cooper S R53 (2005) Limited Slip Differential

I own a 2002 Mini Cooper (R50), a Model Year infamous for its failure-prone 5-speed manual gearbox. When failure occurred I replaced the whole starter motor - flywheel - clutch - gearbox - axles ...
3
votes
1answer
785 views

After changing MTF, my truck grinds into every gear. Is this a symptom of a bad transmission? Or just a bad clutch?

After changing out the transmission fluid on my 1997 Nissan D21 4x4, the transmission started shifting really rough. My first piece of troubleshooting was to adjust the clutch pedal as specified in ...
21
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13answers
61k views

Leaving car with automatic transmission in Neutral instead of Park

Can we use Neutral (N on the selector) instead of Park (P) when parking on a flat surface? Is this useful for transmission system? Because every time we put gear on P we must pass through R and will ...
1
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0answers
176 views

Why does the Honda 2017 CR-V crawl in neutral when cold?

In the owner's manual for the Honda 2017 CR-V, the shifting page says this: Indeed, on a flat surface in neutral when the engine is cold, it will crawl forward like a typical automatic car in drive. ...
5
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3answers
2k views

2000 Audi S6 - Problems engaging reverse gear when cold

I've been having some problems with my S6's auto-box lately where it doesn't seem to engage reverse gear when both the car and the outside temperature are cold. No error or warning lights come on and ...
8
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4answers
813 views

Why aren’t drive chains completely taut?

I don’t understand why roller drive chains in motorcycles have some degree of slack (around 1 inch movement) in them? What’s wrong with having a completely taut chain with no slack? Also, does the ...
0
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1answer
9k views

Car jerks when shifting from Reverse to Drive

Recently, my car started jerking when the drive stick is shifted from 'R' to 'D' position. This doesn't happen when shifting between other positions (not even D to R) or when I switch between gears ...
2
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0answers
434 views

GM 6l90 transmission swap

I have a 2012 Chevy Express van 2500 with a 4.8l motor and 6l90 transmission with 200k miles. I bought a used 6l90 with 77k miles from a junk yard, that came out of an identically van. Same year, 2500,...
3
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1answer
294 views

Is Duplex Gearbox the same as semi-automatic transmission

I look at some cars, such as Renault Captor, and they have gearbox specified as Duplex. does this mean that the car can be driven either through automatic transmission, or manual transmission. ...
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1answer
110 views

Does One wheelspinning in mud damage my car?

if one of wheels trap in mud or lifting up on Jack so rotate idle, and another wheel stop to rotate(because differential), is this situation damage torque converter or Automatic transmission?? or ...
4
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2answers
4k views

Engine RPMs increase, but vehicle does not accelerate, has no power

2001 Nissan Xtrail. After driving for more than 20 minutes, the car seems to have less power. The rpm will go way up, but the car is slow. Rpm can go near the redzone, yet I’m still driving at 10-...
2
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0answers
213 views

Gearbox issues VW Bora MK5 (Bora in Mex) 2007

I've been driving my VW Bora for 7 years. Has had its regular oil changes, tune-ups, tires and brake changes. I love my car and want to keep it perfect. For the last 6 months I have felt that the ...
1
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2answers
756 views

Ducati Monster shifting gears almost impossible

I bought a brand new Ducati Monster 797 ABS. If I just turn the key the gears are shifting very easy and no problem finding neutral. Once the engine is running it is just about impossible to shift up ...
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0answers
305 views

2002 chevy impala 3.8 won't shift into overdrive check engine light is not on

I don't have a picture. Scanner tool has no codes showing. However, it did say vacuum leak test failed. I've changed gas cap, cleaned mass airflow sensor, and replaced fuel pressure vacuum harness ...

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