Questions tagged [automatic-transmission]

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

169 questions with no upvoted or accepted answers
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28 views

02 Taurus no acceleration, miss shifting, and no power

I have a 2002 Taurus 3.0 OHV. I'm getting no acceleration, miss shifting, and no power. I installed a new EGR control valve, differential pressure sensor, air filter, and coolant temperature sensor, ...
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240 views

Two problems, not sure if they're related. 2008 Hyundai Sonata RPM issue and starting problem

I have a 2008 Hyundai Sonata 2.4L 4-speed automatic with 175k miles that's been taken care of it's whole life. Just yesterday as I was accelerating it got to about 23-2500 RPMs and it slightly jerked ...
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1k views

Car starts and goes into gear but doesnt move

I have a 06 Lincoln ls now for a while the car wouldn't always accelerate initially hitting the gas but then it would and the car would jerk. Well other day I'm driving and it completely stopped ...
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44 views

What could be causing my transmission to slip?

Three days ago when I was leaving the store, I started up 2006 Chevy Trailblazer Ls and it wouldn't reverse. I tried to move forward and that wouldn't work either. When I switched from drive or ...
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510 views

No gears after serpentine belt replaced

After running car hot after serpentine belt broke, i replaced it. But now i dont have any gears! Reverse or drive or first or second? Could it be as simple as adding transmission fluid?
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65 views

2011 Subaru Impreza (Automatic) Slipping when shifting uphill

My car has been having a hard time shifting when I accelerate a lot, mainly when I am driving uphill. It seems like it is slipping. There is also a burning smell from time to time I notice when I have ...
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296 views

2010 Volkswagen EOS stuck in Park

I have a 2010 Volkswagen EOS only summer driven. I parked it in November 2017 and went to use it last week after sitting for 6 months and the car will not shift out of park (automatic transmission). ...
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106 views

Ford E250 slams into 2nd gear when hot

This is a 2000 Ford E250. The transmission slams into second gear when hot. I pulled the valve body, and the accumulator seals and piston appear to be good. The 1-2 valve also seems fine. Any ideas?...
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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 ...
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2k views

Toyota Yaris transmission problem

2008 Toyota Yaris have a weird problem, It have MMT semi-automatic transmission and last week its change to N itself suddenly. It does not change to 1 when i take to D mode. I wait a while then it ...
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1k views

Delayed shift between reverse and drive with harsh engagement

Model: 2005 Volvo S40 2.4i / 5 speed automatic Mileage: 127k Miles / 3rd owner Transmission service history: not even changed ATF Other relevant services: replaced all engine/transmission mounts last ...
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38 views

When I put to Drive my transmission goes to manual

KIA RIO 2013 model. I have the option to put it to "D" or +/- for manual. After starting the vehicle I shift from "P" to "D" and it won't move. When I step on the accelerator it goes to "1" even ...
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272 views

How do I diagnose a blinking overdrive off light on a 2001 Ford F-150 with 4R70W transmission?

Today the "OFF" light on the transmission shifter starting blinking on my 2001 Ford F-150. It is the 4.6L with a 4R70W transmission. I pulled the codes but all I found was "Evap system inoperative" ...
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137 views

two conflicting mechanics opinions on what needs to be fixed, which one should I work with?

I drive a PT Cruiser with an automatic transmission, that only has about 75k miles on it. One day recently, I found that while I was stopped in traffic, my car wouldn't move while it was idling. For ...
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34 views

Problems when I'm driving lack of power

1973 Chevy Monte Carlo 350 4bbl small block having problems with the car want to put in drive and take all driving it doesn't seem to want to go cast 40 miles an hour so I figured trying to change the ...
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327 views

Weird AT gearbox behavior on Volvo S40

I've got a 2.4L N/A Volvo S40 2008 with a 5 speed AT transmission. I've noticed a weird behavior: under normal acceleration (e.g. from a stoplight) the transmission very quickly changes into 4th (at ...
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70 views

What is my cars problem?

I have a 2004 Nissan Maxima (168,000 miles). I stopped at a red light, but I pressed the gas to go again and there was a slight pause before my car began to gain speed and accelerate at a decent pace....
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58 views

66 mustang automatic (3 speed) adding fluid after removing pan gasket

What I've done so far to the trans: removed pan replaced filter replaced pan gasket put it back together Issues: I have a bad torque converter (lurches then stalls when selecting gear) no idea if i ...
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549 views

Gear of Car takes time to shift from 1st to 2nd gear

My car is 2005 Chevy Impala. While driving in automatic mode, I have to drive at 18 MPH for around 4-5 seconds to allow the gear to shift from first to second (or second to third gear, I am not sure ...
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289 views

2012 Dodge Grand Caravan clutch/transmission fail

car has 110,000 miles on the clock so out of warranty and today it won't drive. Car will shift into drive or reverse make a slight grinding noise and move a short distance then judder and stop. Engine ...
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207 views

Transmission not going into gear until the engine is accelerated to a very high rpm

The car will not move until I put the transmission in low range and accelerate to very high rpm. Please give a place to start looking for the problem.
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417 views

How can I determine transmission model?

I'm in the market for a shift solenoid C for a Mazda 323, year 2000 (Lantis), automatic transmission. The listings I've found online sell solenoids which are listed as compatible with all Mazda ...
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58 views

Honda Accord 2.0L i-VTEC Executive 4door - Automatic Transmission

I'm planning to buy a Honda Accord 2.0L i-VTEC. Can someone tell me which drive modes (if any) the automatic transmission has? Does it have a manual mode like the Nissan 350GT/Infiniti G35?
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446 views

Possible Bad Pressure Control Sol. in my 4l30e?

I rebuild the 4l30e in my Isuzu Trooper recently. The transmission shifted great and everything seemed ok. Time went on with the trooper as my daily and everything continued well. I passed 1k miles ...
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191 views

Hard knocking noise with temporary loss of power in a 2002 Jeep Cherokee

I have been hearing a hard knocking noise for last couple of months off and on. But now since Monday my truck has been loosing power for like 30 seconds n then gains it back. The rpm goes up and then ...
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386 views

Knocking sound coming from Torque Converter in my two speed

I daily my 63 Chevy Belair Wagon. Transmission is the original GM Two-speed Powerglide with (I believe) the original (13?)-inch torque converter. Here are my issues: Car lurches hard and knocks ...
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746 views

Is 'feeling' how gears down shift on automatic car indicate gearbox or clutch nearing it's end?

In my car (Cadillac CTS) gears used to shift seamlessly when not excessively accelerating, however recently I have noticed especially on lower gears when they are down shifting to actually 'feel' how ...
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121 views

What is causing my LEXUS RX 300 Automatic gearbox failure?

My Lexus RX 300 automatic gearbox died and I tried to replace it with several new gearboxes that I bought but it is not working. The car may move for 5 minutes then stop. May you help me? Is it my ...
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1answer
169 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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457 views

Compatibility with automatic transmissions between MDMA and M4TA Honda CRV 98

I need to buy an automatic transmissions but only found MDMA automatic transmission for this reason I need to know the compatibility between MDMA and M4TA. Honda CRV 98 4X4 and mi car use M4TA Exist ...
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17 views

2020 Nissan Sentra SR on acceleration, loses power and revs high

I have a leased 2020 Nissan Sentra SR automatic brand new and 4 months later 8000 kms I was merging on the highway. I couldn't accelerate although I had the gas pedal all the way down to the floor - ...
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1answer
17 views

2012 Ford Explorer XLT v6 Misfiring and Bank 2 Air/Fuel Ratio Imbalance

Have had a P0306 and a P0316 error codes for a while now and have changed the spark plugs, coils, intake manifold gasket, checked injectors and changed the injector for the cylinder misfiring(6). All ...
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16 views

07 Acura TL types S

Car has a loud whining sounds throughout all gears including neutral. The sound doesn't change as the wheel turns, but it does increases as engine is revved. It's not a squealing sound. I have changed ...
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25 views

Renault Logan 2011 unknown electrical issue

I have a Renault Logan 2011 since March 2018 and it has run for about 173,000 km so far. About a year back it started having this strange problem where during initial start the automatic transmission ...
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57 views

Automatic Transmission Fluid Color

I changed my Transmission fluid with a system that drain and fill simultaneously a week ago, and I checked the color Today, Please See the picture attached, It seems too dark, is there any problem?
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1answer
56 views

Lexus CT200h “stuck” in neutral after accident

I bought 2018 Lexus CT200h with slightly damaged front and it won't shift into Drive or Parking. After I push Start button it shows me that the car is in Neutral. Trying to put it into Drive or ...
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26 views

1989 Chevrolet k1500 4l60 transmission new rebuild won't shift from first gear

i just rebuilt my 4L60 transmission to specs and it goes into reverse and shifts into first and thats it wont change gears Manuely or automatically new gears clutches band seals gaskets ect master ...
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34 views

Can I shift the AT gear while on handbrake without using the brake pedal?

Probably I will seem a bit silly, but still. I have Toyota Corolla 2006 with automatic transmission. Today, after the ride, I was curious to see how the motor behaves on different gears. Car was ...
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109 views

What is “transmission slip ratio” and is it normal to have anything other than 1.0?

I got a 5.4 Ford econoline 1998 edition. I got me a odb2 code readin app with the bluetooth on it... and I also paid extra to unlock the premium Ford specific data... all kinds of stuff in there. In ...
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42 views

Does healthy transmission fluid temperature rule out all transmission problems?

I got me a 5.4 Ford v8 1998 Econoline van. Ever since I done slapped a new radator in her, I been gettin awful paranoid about the transmission. You see, this van is heavy duty and the transmission ...
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1answer
330 views

Torque rating of 8F35 and 8F57 transmissions

What is the maximum torque those Ford transmissions can handle? Bonus question: new 7-speed auto in a Ford Focus ST mk4 is based on one of those two with a 2nd gear removed. Does it keep the torque ...
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13 views

Camry 2004 6 cylinder ATF type?

Can ATF type III (H) used as transmission fluid for camry 2004 6 cylinder?
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13 views

Engine feels sluggish sometimes

1998 Nissan frontier 2wd xe kingcab 4 cylinder automatic transmission Sometimes it feels slow to accelerate, like it's not getting gas, or like its not in the right gear, and the shifts feel a little ...
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20 views

all dash warning lights came on, barely driving

My vehicle is a 2009 Chevy Equinox. My engine was knocking a couple weeks back and flashed on every warning light i had. Doors stared locking and unlocking on their own and the shifter button was ...
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1answer
29 views

Automatic transmission car shudders when stopped

I have a Mitsubishi Lancer 2003 automatic transmission car. When it is in drive mode and stationary (brakes pressed) the engine starts to vibrate. Could anyone be able to let me know the how to fix ...
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14 views

1998 honda civic lx automatic transmission

I am having issues with transmission. It was working fine and this happened with No kinda of a warning. I left my job and drove about 1/4 mile and stopped at a stop sign, when I pulled away it shifted ...
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1answer
23 views

Transmission fluid for 2012 rav4 4 cyl

I am looking for transmission fluid for a 2012 rav4 4cyl that is sold in Canada. I have come across this Castrol Transmax fluid that is sold in Canadian Tire. It says (zoom in on the picture) that ...
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2answers
46 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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26 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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90 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 ...