Questions tagged [automatic-transmission]

Questions regarding automatic gearboxes, and associated parts such as torque converters

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1answer
27 views

RPM low in D and R, on a hill the car is sluggish, on a very steep hill the car won't move at all

I have looked through various forums for similar symptoms and have found nothing. I have a Land Rover Freelander 2 2007, 3.2 6 cylinder, automatic transmission with 109,000 KILOMETRES on the clock, so ...
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1answer
73 views

Engine braking in an automatic: Does it save fuel?

This is a question more to satiate my curiosity than something I want to apply in practice. It's also my first question here, so apologies in advance if I'm doing anything wrong. I've recently ...
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2answers
30 views

Is ATF friction modifier acceptable to meet my OEM specs

I have a 2014 Kia Rio with a 6 speed auto. It asks for SP-IV specification transmission fluid. The transmission shop I am considering for a fluid change service, said that they use an all purpose ...
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1answer
65 views

What happens when you shift from Neutral into Drive while in motion?

Suppose you are driving up a long, steep hill in an automatic transmission car. You're doing a steady 40 miles per hour, and suddenly you shift from Drive into Neutral. The engine revs up to around 4-...
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1answer
58 views

Why did my temperature go down when I turned on A/C?

My car has been running hot and I'm going to be putting in a Thermostat to fix this. However, I have noticed that when I turn on my Air Conditioning, the temperature goes down. I would expect ...
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1answer
36 views

Correct position of choke

My bike is Yamaha saluto RX 110cc. I confused about the choke position whether it is up lever or down lever guide me
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19 views

09 Chevrolet Silverado randomly won’t accelerate

I just had the transmission rebuild in my 09 Silverado, and when we got it back we noticed that randomly while driving the RPMs will accelerate if we press down on the gas but the speedometer won’t ...
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0answers
44 views

Automatic Gearbox switch with engine off

I have an automatic bmw e90 2005 - 320d. I've been driving it for quite a while now, and few days ago i noticed something which I could not find info, and not certain if is okay. With the car in P ...
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29 views

Mazda 3 1.5 AT 2018 Short turbo whistle sound during transmission switch from 2nd to 3d

I have a problem with my new Mazda 3 1.5 AT 2018, I hear whistle (sounds like a turbo blow-off valve) during transmission switch from 2nd to 3d, every day and after every traffic light. But when I ...
2
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1answer
74 views

How do purely mechanical (early) automatic transmissions know when to shift?

How do early transmissions know when to shift? How do they go to the right gears for the right conditions (heavy acceleration, going up a hill etc.)? I cannot imagine how it is done without electrical ...
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0answers
29 views

Where is 3rd clutch pressure switch for Honda Accord 2000 sedan 2.3 litters engine?

I am looking for locations of 3rd clutch pressure switch on Honda Accord 2000 sedan 2.3 litters engine. I struggled to find correct videos on youtube (some show 2nd clutch pressure switch, or 3rd ...
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1answer
53 views

High Rpms and loud reving sound

I have a 2008 mercury sable. Its an automatic. I was in stop and go traffic this morning on the highway and I went to accelerate and the Rpm shot up as high at they could go and stayed there and the ...
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1answer
22 views

1973 dodge sportsman motor home

The engine won't start. When I turn the key, absolutely nothing happens. There is only a click from turning the key. My battery is full. I bought this motor home last summer after my landlady sold ...
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1answer
65 views

Mercedes Benz W203 C-Class C220 CDI whining noise

I have my W203 (Automatic Transmission 722.6) that is killing me with this whining noise when i let the release the gas pedal and the sound change intensity depending on the speed. It starts when ...
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2answers
77 views

Can I shift to neutral when driving? [closed]

Many questions on if we should shift to neutral when at stop lights. But I've developed a habit to shift to neutral when going downhill or far away approaching a stop light to avoid unnecessary speed-...
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16 views

Both D and N light still on

I shifted in drive but the car won't move till I applied more gas while the the neutral light stills on. Both D and N indicators comes on. Need help here.
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2answers
43 views

Correct ATF for 1968 Mercedes 280s

I need to fill a 1968 Mercedes 280s which has a slow transmission leak and I do not know the right fluid to use. The manual simply says fill with automatic transmission fluid, which isn't very helpful ...
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0answers
22 views

2000 honda civic dx transmission gears

So I recently changed the shifter cable. Problem is now when car is in park it's actually in neutral. I've adjusted the bolt and have turned the shift thing on the tranmission itself all the way to ...
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0answers
33 views

Speedometer crazy and transmission hard shifting 2004 Camry

I have a 2004 Toyota Camry with 118k miles. Two weeks ago, my car began shifting rough and the speedometer needle began bouncing erratically. I brought it to a mechanic and the ECM was reporting a ...
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0answers
25 views

BMW jumping to park at stop

My BMW X1 (2013, 2.0L Turbo) occasionally jumps to Park when I'm stopped at a light. It happens whether the auto engine start/stop function is on or off. I then have to put the car in drive again to ...
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1answer
26 views

Gear “--” on automatic Peugeot 207 CC

My partner recently had some issues with her automatic gearbox. When the engine first starts it briefly shows gear "--" before "P ". It may well have always done this but she's a bit worried because ...
5
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3answers
278 views

Are modern automatic cars supposed to not roll backward when on a slope while in Drive and engine idle?

I have an automatic Chevy Cruze 2013 and when I stop on an upward slope for a stop sign or red light, I need to press the brake pedal to ensure the car doesn't roll backward, if I lift the foot off ...
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0answers
18 views

Rough idle with aircon on

I have a honda euro auto transmission sedan. When I have the aircon on it idles very rough. My question is, would it be using excess fuel when idling and if so would it be using excess fuel when ...
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1answer
26 views

CV joint broken after brake repair, related?

On my front wheel drive vehicle I had all my rear brakes and rotors replaced. The following day my cv joint snapped, less than 10 miles driven. Could this in anyway be related to the repair? Or just ...
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0answers
9 views

88 ram 50 automatic not shifting right when moving

I changed the head and now it's not shifting as soon as it should winds up shifting into second at like 30 mph and I have to let off the accelerator any ideas, I looked and did not see anything loose ...
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1answer
34 views
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42 views

Nissan X-Trail T31 A/T error when put it in manual mode

I have a Nissan X-Trail 2010 T31 with 138.000kms automatic, and when i put the gear stick in manual mode (sequential mode), nothing happens! I can't change gears manually. It seems to be disabled. In ...
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0answers
36 views

2009 Malibu hesitates when accelerating at first, then runs normal

My 2009 Malibu (LT, 2.4L v4, 140k miles) is having acceleration issues. It doesn't happen every time, but when accelerating from a stop the engine will run up to around 2300rpm then hang there for ...
3
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1answer
52 views

Can i Mix Recommended Transmission fluid?

I have a Suzuki Grand Vitara 2008 Model with a 2.4L Engine (Automatic Transmission) which has a recommended transmission fluid of Suzuki ATF 3317 or Mobil ATF 3309. I bought this car 2nd hand so I don'...
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3answers
2k views

Why do you use the “park” gear to park a car and not only the handbrake? [duplicate]

Here on the internet people just explain the difference between the two and how you should also apply the handbrake when it gets steep, but why is there even a parking gear in the first place when you ...
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1answer
54 views

2008 Subaru Outback mysterious lack of power

I have a 2008 Subaru Outback, 2.5L non-turbo engine, 4 speed auto transmission. The car has just shy of 200k miles on it. About 3-4 months ago, I thought I noticed a slight lack of power while ...
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1answer
42 views

Transmission fluid level when engine stopped, and when engine is just turn on, and when the engine is hot?

My car is a 1994 toyota camry LE 3.0. I just changed the transmission fluid today. I add the new fluid to the level up to the full (upper) level of the cold (C) range scale. I drive the car for 15 ...
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0answers
21 views

Electrical problem with a Toyota vitz 2009 automatic transmission

i have been having these issues with my car lately i will try to explain them as best as i can here are all the problems listed: the indicator lights work but disappears as soon as i put my feet on ...
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0answers
17 views

1998 4Runner Automatic Transmission problem

I attached a video of my 98 4Runner Automatic, I noticed my RPM would jump from 700-1900 RPMS when I let off the gas and then accelerate. Video Link Is this a normal operation of the torque ...
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0answers
19 views

Benz automatic transmission almost stalls engine when cold

i have a 1992 Mercedes W140 300se automatic transmission and v6 engine. My issue is that when i start the car in the morning and shift to drive and give it some gas, the engine shudders and feels like ...
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0answers
70 views

2011 Volkswagen Routan Transmission issues

2011 Volkswagen Routan SE Van (daily driver) gave a transmission code P0841: transmission fluid pressure sensor switch A. We had a friend change the engine oil and the ATF. They also changed the ...
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0answers
15 views

Suzuki Swift engine squeal

I have a 2006 Suzuki Swift 1.5 auto. with the following problem:- I've had a "squeal" from what I believe is the engine belts for 6 months now. Last January the belts were replaced by my garage but ...
2
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1answer
98 views

Does tiptronic transmission always use clutches?

Does tiptronic transmission always use clutches or dual cluctch packs? Or are they also built on CVT or other automatic transmission technologies?
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0answers
30 views

2001 honda civic RPMs dropped to 0, car stalled

Bought a 2001 honda civic about a week ago, put a new battery in it. It had very low idle, around 800. Driving at city speeds and suddenly the tachometer dropped to 0 and shortly after the car stalled....
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0answers
13 views

Can sealed transmission be adjusted

The sealed transmission on my Dodge 2010 Caliber seems to be slipping when I accelerate or try to accelerate up a hill. Can this be adjusted so it no longer slips or is a new transmission required.
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0answers
14 views

Nissan Primera 2004 CVT - starting issue

For the last 3 days I haven't been able to get my car to start, I can make the ignition crank over but it doesn't want to fire up. I do have an solid engine light going on the dash. Prior, last I had ...
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1answer
72 views

First time owning a brand new car - a few questions about automatic transmission and owning a new car

I just ordered my brand new Volvo XC60 T6 AWD Inscription 2019. My previous car was Renault Megane 2012 and honestly, it was great. It had automatic climate control, automatic wipers, was quite fast, ...
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1answer
85 views

Will it do any damage to the auto transmission if I manually rotate the crankshaft at Parking gear?

Car: VW golf 5 1.6 BSE with 6 speed auto(09G) transmission Purpose: Replace the timing belt Reason: Need to turn the crankshaft to match the TDC mark on camshaft pulley Thanks!
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2answers
71 views

is it okay to accelerate in gear 'B'?

I have a toyota Yaris 2017. All the gears I have are P,R,N,D,B. I don't know what really the gear 'B' stands for, but i think it means 'Engine break' when going in slopes to avoid using brakes all the ...
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0answers
25 views

2002 Honda Accord transmission shudder

My 02 Accord has started developing a shudder when the automatic transmission shifts from first to second gear. There is also a shudder when moving from Park to Drive. This shudder is also worse ...
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2answers
99 views

Should I repair my car immediately or wait for it to totally die?

I have a 2013 mazda 3 with ~90k miles on it. It's having some transmission issues (slow shift from certain gears, intermittent whining, hard shifts). It's been doing the slow shifts for like 50k miles,...
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0answers
15 views

I have a 07 equinox that is running high rpm(4,000 rpm at 45-50 mph)

I have a 07 equinox that is running 4,000 rpm at 45-50 mph. Rpm goes higher as I accelerate and 1st, 2nd, and 3rd gear seems to be running higher as well. It's running 3,000 rpm around 30 when I know ...
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0answers
17 views

My bronco is having transmission issues

I have a 1996 full-size bronco with a 351W and an E4OD trans. I’m having to tach up to or past 3k rpm it to shift. It does way better in higher gears and reverse. Also, when i drop it into 1st and 2nd ...
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0answers
19 views

2009 Hyundai Sonata sometimes kicks when switching to heavy gear while breaking

I have a very clean 2009 Hyundai Sonata GLS that I bought June last year. It had around 59k on it back then and now has around 64k. I usually use it to commute relatively short distances in a small ...
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0answers
17 views

2008 V6 Accord tranny problems?

Problem has been consistent for over a year. When accelerating from a stop car seems to be out of tune with buckling. Had the car tuned and problem continued. If I shift with 1st then 2nd then into ...