Questions tagged [automatic-transmission]

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

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12 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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1answer
63 views

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
2k 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
1k 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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1answer
65 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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2answers
10k 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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1answer
34 views

Honda rev-limited at 4k RPM, automatic transmission won't shift into 5th gear, no CEL

I have a 2010 Honda Accord EX-L, with the 3.5L V-6 engine. 230k miles, all highway, so I'm still breaking her in. At the beginning of the Corona shutdown, I replaced the timing belt and water pump. ...
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1answer
57 views
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2answers
141 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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1answer
51 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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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
45 views

Vehicle is stationary but LIVE DATA from ECU says Vehicle Speed is 255 km/h ,throwing codes P0717 & P0793 and no reversing

I'm repairing Toyota Harrier ACU# (Automatic transmission) with no reversing problem. When gear is shifted to R she throws codes P0717 (input speed sensor A no signal) and P0793 (Intermediate shaft ...
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5answers
9k views

Should you change all of your transmission fluid?

I took my Lexus RX 300 to the shop, to change the transmission fluid. While talking to the tech, he said he sucked out half the fluid and left the other old half there. Is this proper? Shouldn't they ...
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1answer
240 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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1answer
172 views

Is this an appropriate amount of “sliding yoke” visible on an 86 Dodge B250 / A727 Torqueflite transmission?

Looking at my driveshaft tonight I noticed there seemed to a lot of yoke sticking out of the trans. (Recent rebuild) Wondering if this looks right to someone experienced with this transmission/...
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9answers
54k views

Durability of automatic transmission boxes versus durability of manual transmission boxes? Their lifetimes?

My friend is against cars with automatic transmission because he thinks that they break easily and that their repairing cost a lot. He thinks that it is impossible to maintain an automatic ...
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1answer
74 views

Automatic tranny, reverse died during cold snap

The vehicle is a 2005 Chevy Classic 2.2L four cylinder. It starts and runs, or ran and drove, fine down to -15-20° F up until recently. With a few days of -30 and -40 temps, the car, even after 30-45 ...
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1answer
30 views

Refill 2005 Toyota Tundra automatic transmission fluid

I made a mistake and drained the automatic transmission fluid on a 2005 Toyota Tundra with a sealed transmission. I was working too fast and pulled the AT drain plug rather than the oil drain plug. ...
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1answer
78 views

Audi A4 B9 oil for automatic transmission

I want to change the oil on a Audi A4 B9 2015 2.0TDI 150HP FWD automatic transmission. How many liters go into automatic transmission and what type? I received the owner's manual in german but it is ...
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39 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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3answers
110 views

Why aren't automatic transmissions lubricated the same way as manual transmissions?

I know that you cannot tow a vehicle with an automatic transmission the same way as a manual. This is because the automatic transmission will not be properly lubricated. I read in the comment to this ...
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1answer
40 views

I got a wipe stuck/ clogged in the Air-filter holes need helpful advice

I was changing/cleaning out my Air filter inside my 2004 Chevy Classic and as i was cleaning it out i notice the box where the air filter gone was very dirty so i wiped it with a wipe and it fell ...
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2answers
31k views

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
57 views

Rattling noise from transmission at certain RPM range

My 2004 Toyota Yaris with automatic transmission makes a ratteling noise at a very specific RPM range as can be heard in this video I made with my phone: https://www.youtube.com/watch?v=Q_s-Jx7_MYk I'...
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1answer
54 views

94 Suburban 4x4 4l60e no reverse/ overdrive

94 Suburban 1500. Has no reverse or any other gear with the TCC plugged in. Unplugged the TCC and I can manually shift through the 4 gears and do 90 plus mph. So it's an electronic issue. Any guess??? ...
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1answer
34 views

93 Thunderbird LX priority maintenance?

Purchased from first owner that said he had kept the basic rules and procedures for a stored automobile when I come in from out of town and sees a jump start hooked up this is where I knew it was not ...
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1answer
76 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
118 views

VW Golf 2012 DSG auto transmission runs fine but accelerate very slowly with the D1 gear

A month ago, I changed my DSG auto 7-speed transmission's mechatronic because of another issue and after that everything was working just fine. Recently I found that when I start my car and switch my ...
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1answer
71 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
264 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
853 views

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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1answer
18 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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1answer
329 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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1answer
52 views

Left automatic car in reverse with handbrake on - problematic?

As I was getting out last night, I uncharacteristically forgot the car in R, with the handbrake on; engine was off. This morning everything seemed ok, but I was still slightly worried. Specifically - ...
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4answers
3k views

Toyota Corolla 2011 not accelerating when on 60mph or above

I recently bought a toyota corolla 2011 s from a local dealer with 80,000 miles on it. In my test drive everything seemed normal and was satisfied with the deal. But on a recent trip when i actually ...
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23 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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2answers
735 views

Car died sitting in park

My sisters car died while it was in park, she said it started right up when she got in it, Then she went inside while it warmed up, when she came back out it was dead. I told her that it was probably ...
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1answer
166 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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0answers
43 views

Where can I find reliable place to find specifications about my car?

I have a Toyota Corolla (Fielder - 1ZZ-FE). I'm struggling to find a place where I can find detailed specifications about other parts. For example, I would like to know the transmission type (CVT or ...
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1answer
136 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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1answer
547 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
38 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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1answer
137 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
993 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
3k 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
24 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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2answers
42 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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3answers
17k views

Do I need computer reprogramming when transmission is replaced?

Honda Odyssey 2003: I'm replacing a transmission, and a local mechanic will help me to swap it in my garage. I've been told at a local shop, that in order to install remanufactured transmission ...
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0answers
33 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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