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Questions tagged [automatic-transmission]

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

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Vehicle Stalls at lights and going up hills

After driving a few miles, 2002 Ford Explorer will start sputtering after stopping at a light. Also, does the same thing when going up hills.
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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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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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1answer
27 views

Does tiptronic transmission always uses 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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1answer
61 views

How necessary is it to fully purge old fluid during a transmission fluid flush?

I see a lot of these videos on YouTube of folks pouring in several liters of automatic transmission fluid into their transmissions as they collect the increasingly cleaner and cleaner fluid that ...
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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 ...
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2answers
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How exactly does Sport Mode work in an automatic Subaru Outback?

I have 2008 Subaru Outback (160K miles) with an automatic transmission and have been curious about the Sport Mode that can be shifted into. I read in the car's manual that it increases pickup and is ...
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1answer
7k views

Shifting with torque converter locked?

I have a two questions related to the torque converter and shifting. First, is it possible to lock the torque converter on first gear if I press the gas pedal hard? Second, is shifting while the ...
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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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4answers
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Car stereo the reb n yellow wire in harness has no power to stereo did before

2001 Chevy Silverado deisel 2500 4x4 I took my old stereo out which had power to it n installed my new stereo now the red n yellow wires have no power in them why n what can be the problem
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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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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
652 views

2007 Honda Civic p0843 high error code. Replaced switch, no change. Won't shift into 4th

I am stumped with a 2007 Honda Civic 1.8 sedan with automatic transmission. Other the car failing to shift into 4th gear all other transmissions functions are fine. It has a trans error code (p0843 ...
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1answer
62 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
68 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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1answer
138 views

Focus CMAX 2.0 Petrol 2006 replacement autogearbox - does it require to recode the vehicle?

I've to replace automatic gearbox on Focus CMAX 2.0 Petrol 2006. I just wanted to know does it also require re-programming the vehicle or any part of it.
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Why is the ATF Level checked with the engine running?

I didn't realize until recently that the ATF level is supposed to be checked while the engine is running, unlike the engine oil level which you're supposed to check at least five minutes after ...
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2answers
61 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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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
72 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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1answer
469 views

Mazda 626 1995 automatic won't shift gears

I have a 1995 Mazda 626, 2.0L, automatic transmission. The transmission won't shift. It stays in 3rd gear and won't go into any other gear. The car does drive, but won't change gear out of 3rd. The ...
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1answer
57 views

Is it nessesary to push shift lock when shifting from Reverse to Drive?

Is it doing damage to an automatic when you don't push the button as long as you've stopped before changing directions?
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1answer
448 views

Torque converter issue?

My car is a BMW 5 series with the ZF8 automatic transmission. It doesn't shift perfectly - jerks a bit in all gears shifted in the first drive of the day, for around 10 miles then it becomes much ...
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2answers
1k views

Nissan X Trail 2001 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-...
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1answer
349 views

PTFE or standard high temp grease for a slip joint?

My 1997 Ford F-150, 4.6L with automatic, is suffering from the slip join "clunk" at stops/starts. My research has found this is a common problem when the output shaft splines get dried out. It ...
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2answers
48 views

Very slow Acceleration

I have a 2003 nissan sentra gxe 1.8 and for the past 2 weeks it's been accelerating very slow when it first started I was gradually able to accelerate to 70 on the freeway but now it's gone down to ...
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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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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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1answer
22 views

Have 01 Dodge ram 2500 desiel automatic transmission

Transmission started making grinding noise on way home. Took forever change gears put it in my garage dropped transmission found round bearings in bell housing. I can't tell if they were from front ...
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0answers
171 views

I have a 1999 Isuzu Trooper. Can't figure out problems

I have a 1999 Isuzu Trooper. 3.5 liter V6. Automatic. My problem is, if I have it in neutral or park, the engine runs great. Smooth, no weird noises, it'll rev up to red line RPMs no problem. However ...
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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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1answer
49 views

Honda 2.4 VTEC (2002 CRV): Throwing code P1259 after doing a lot of work on it this weekend

The upper radiator neck broke in half on our 2002 Honda CR-V (2.4 VTEC), which lead to some overheating. It was hot for about half a mile based on her story.. So this weekend I replaced the radiator ...
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1answer
20 views

Is it bad to use Auto Gold ATF DM in a transmission that only requires Dexron VI

I have put Auto Gold ATF DM in my transmission in a 2008 chevy impala that only requires DEXRON VI. On the back of the Auto Gold ATF DM transmission fluid, it says "not for use in automatic ...
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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 ...
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1answer
127 views

Are 4r70w transmissions interchangable?

I have a 2006 e-150 that needs a transmission. The transmission I took out was a 4r70w. I found a 4r70w out of a 2000 e-250 on ebay. Can I use that transmission as a replacement? The seller only ...
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1answer
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Odd Auto Transmission Issue - 2002 4Runner 4WD

I have a 2002 4Runner (the V6) that sits for a few weeks at a time between uses (I live in coastal FL). If I haven't started it in a while when I put it into Drive the gears don't seem to engage ...
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1answer
574 views

2011 Chevy Malibu will not reverse

What does it mean when ur car won't reverse but the other gears work? How do I fix it?
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2answers
364 views

2000 Honda Civic automatic transmission issue

Please help! I have a 2000 Honda Civic ... car starts and runs fine but when I put it into drive or reverse. The car acts like it’s in neutral and only revs the engine but will not make the car move ...
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3answers
15k views

2001 civic won't accelerate when pressing gas petal..?

For the past few days my check engine light has been on. Whenever I try to accelerate, the car will not go very fast at all, no matter how hard I press it, all the way down, halfway, doesn't matter. ...
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1answer
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2answers
16k views

Why is towing a manual transmission car, in neutral, with the drive wheels on the ground, considered safe?

It is clear that cars with automatic transmissions cannot be towed with any drive wheels on the ground, engine off, in neutral, because the torque converter powers the lubrication pump for the ...
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0answers
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2004 Kia Spectra 1.8 Automatic - No Reverse

A 2004 Kia Spectra 4cyl 1.8ltr automatic Reverse was working fine one day then the next it no longer worked. All the other gears work fine and the transmission fluid level is where it should be. I ...
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1answer
3k 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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0answers
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Cause of Auto Transmission Failure

I have a 2003 Honda Accord v6 coupe with a 5 speed automatic transmission - code baya. I recently had the transmission fail on me extremely suddenly and left me stuck on a highway. I want to stress ...
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106 views

Has forward gears but no reverse. Replaced transmission and its the same way

I purchased a 2006 Nissan Altima SL 3.5l 5 speed automatic. The car needed a motor. Owner stated the transmission was fine. I replaced the motor. I had no reverse. Forward gears, but no reverse. I ...
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2answers
2k views

Mysterious “5th” Gear on a 4-Speed Automatic?

My 1998 Honda Civic LX is equipped with the 4-speed automatic transmission. Before I looked this up, I decided to count the number of upshifts from a stop, and I counted four, not three. This mystery "...
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1answer
59 views

Could the OBD2 connector be used to switch gears?

What the title says, could I use an OBD2 code to control gear shifts in an automatic car? For example send an OBD2 code via a microcomputer like the Raspberry Pi. The car in question is a 2008 BMW e60 ...
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68 views

Nissan Xtrail 2006 NT30 Reverse not working (Slipping)

My Nissan XTrail NT30 (2006) 4WD Auto Transmission, all forward gears are working fine, but reverse is slipping. However, I can reverse fine on flat surface, but cannot reverse at all up hill. What ...
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23 views

Slow acceleration in first gear/below 20MPH (Saturn SC2 2002)

I am having a sudden problem with the first gear in my Saturn SC2. From a complete stop, and only when it is in drive, acceleration is very slow until I reach second gear/about 20 MPH. This takes ...
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31 views

4runner wont shift out of first gear on an automatic

If i've takin the ABS out of my 2000 4runner will it cause to not shift? What I did was take a 2000 4runner sr5 4 wheel drive and took the four by transmission out and put a 2 wheel drive transmission ...