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

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1answer
119 views

Volvo S60 T5 Auto gearbox replacement

My Volvo S60 T5's gearbox (aw55-50sn) has finally broken; it has a slipping third gear and possible clogged up solenoids in the valve body (due to it clonking into "D" mode). I'm wondering if there's ...
5
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1answer
1k views

2004 Chevy Malibu jerks when deceleration is followed by acceleration between 25-40 mph

I recently noticed that when coasting or breaking is followed by acceleration (seems to be only when the car is moving between 25 and 40 mph) that there is a slight jerk. After recreating the problem ...
2
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2answers
333 views

What is the best way to determine if my hydraulic motor mounts are bad?

I am experiencing delayed forward movement at take off. I apply the accelerator nothing happens until it jolts forward. When I stop it lunges forward, which leads me to believe it is the motor mounts. ...
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1answer
281 views

Transmission won't shift into second after rebuild

I have a 94 Pontiac Firebird with a 4L60E automatic transmission. I bought a transmission rebuild kit and installed everything right, but it's not shifting into second the way it should. Everything in ...
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1answer
848 views

Is it bad to switch gears to D while my car is still moving backwards

I am reversing. While the car is still moving backwards, I switch gears from R to D, and press the accelerator to start moving forward. After a bit the car stops going backward, and starts moving ...
4
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1answer
440 views

At a complete stop, why is my RPM in Neutral gear greater than Drive gear?

I always assumed that my engine would do less work in N (neutral) than in D (drive). However, I tried a little experiment. My car wasn't moving, my foot is on the brake, and I have in D. I then switch ...
3
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0answers
196 views

Signs of a bad transmission?

I have a 2004 Subaru Legacy L Sedan Automatic. I've been starting to notice in the past few months that the transmission is shifting strange, typically either when the car first starts up, or has been ...
3
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1answer
83 views

Surely I'm refilling my transmission fluid incorrectly

My car ('96 Ford Taurus) developed a transmission fluid leak and lost an unknown amount of fluid. I fixed the leak and began replacing transmission fluid but this has proved to be extremely tedious. ...
2
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1answer
552 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. ...
1
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1answer
460 views

2004 LEXUS GX470

I have a 2004 Lexus GX470. I am having this problem where as I accelerate, my RPM goes up to like 5/6 and my speed is not going up. If I back off the pedal and try again it sometimes will ...
3
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0answers
274 views

Possible transmission fluid leak

2001 Toyota 4Runner SR5 265K miles. I haven't driven it in 2 days and came out and found a small pool (about 2 teaspoons at the most) underneath the engine area. It's clear with a tinge of red, no ...
3
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1answer
923 views

Flat Tow Subaru Auto Trans with Engine Running?

A year ago I traded my 2012 Ford Focus for a 2014 Subaru Outback 2.5i Premium (automatic transmission). Dealer told me it could be flat towed, made sense to me, why not so long as it is in neutral? ...
3
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1answer
717 views

How to add transmission fluid with no dipstick?

I have a 2003 chevy cavalier, and just replaced the radiator due to a transmission fluid leak into the antifreeze. I don't know how much fluid was lost because the transmission was designed without a ...
1
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2answers
452 views

Towing a trailer with a 2006 Honda Civic VXi 1.8 Auto

I will be using a trailer for my Dec. holiday. I have a 2006 Honda Civic VXi 1.8 Auto. What I need questions on: 1) Do drive in the normal D or D3? 2) Pulling a trailer with an automatic, how does ...
2
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2answers
425 views

2010 VW Stuck in Park

I have a 2010 VW Jetta Stuck in Park. When I turn it on, press the brake, and press the shifter button it doesn't move. How do I get it out of park? The brake light and dash indicator do toggle ...
3
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2answers
922 views

Difference between “dumping the clutch” and N->D in an auto?

What's the difference between dumping the clutch, and going from N->D at high RPMs with an automatic transmission? Will this cause any damage to the vehicle?
5
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4answers
2k views

Ford Focus won't rev high when slipping on snow

Why doesn't my 2010 focus allow me gun it when it starts slipping in snow? It makes it impossible to get out of even a tiny bit of snow. My civic never got stuck because I could always just gun it, ...
4
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3answers
901 views

Automatic Transmission: Best practice when waiting at the red light - N or D?

My main concern is the longevity of the engine and transmission. I see conflicting view points on the internet. Some say changing from D to N and back constantly will cause extra wear on the ...
0
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1answer
221 views

Do I need a new ECU after replacing the transmission?

I replaced the transmission in my 2002 Lexus RX 300 about one month ago. The mechanics reprogrammed my ECU immediately, and they advised me to replace my ECU with a new one, because with the old ECU I ...
2
votes
2answers
10k views

Automatic Transmission - Shifting from Neutral to Drive while in motion

Recently, I've developed the habit of using the neutral gear in my automatic Honda Fit when going down slight inclines where I would otherwise have to use the accelerator to maintain speed. I ...
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0answers
405 views

2003 mazda 6 won't move or go into gear [closed]

I was driving this vehicle on the highway going home. All of a sudden I noticed the oil light coming on, battery light came on too and I could not go past 60mph. So I suddenly pulled over and as soon ...
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1answer
55 views

Change of transmission oil

automatic transmission My service manual states that the fluid to use is Dexron 11 .My local garage mechanic used ATF 111 is this ok?
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0answers
367 views

Subaru Forester XT has a hissing sound under acceleration and lacks power [closed]

I want to buy an 06-08 Forester XT and on Friday I went to test drive an Automatic. Now, I know the auto box isn't the best and the forester weighs a good 300kg/600lbs more than my Astra Coupe, but it ...
1
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1answer
39 views

2003 automaitic 2.4l dodge stratus transmission concern?

Our starter is out on our Dodge. We had intended on having it professionally towed to our mechanic once we got a date set. A family member took their own initiative to pull it by a rope from a Kroger ...
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4answers
461 views

Tunning the ECU of a Volkswagen Golf MK6 1.6 TDI DSG

I am a owner of a Volkswagen Golf MK6 1.6 TDI DSG (105HP), and i am a beginner in mechanics, but in computers i am an expert. I stumbled upon those days on some websites that claim to bring you ...
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1answer
82 views

Audible thud when automatic shifting

My Audi A3 with automatic transmission is emmiting this weird sound when I let off the gas at slow speeds. I think the car shifts up to a more efficient gear (probably 3) thinking I don't need to ...
2
votes
1answer
341 views

Toyota Hilux Surf 1998 Stuck in Park and speedometer and odometer not working

I just bought a 1998 Hilux Surf. It has an automatic gearbox. When pressing the brake the drive selection should be unlocked, but it does not. I need to use the "red button" to unlock the drive ...
2
votes
3answers
2k views

1997 Olds 88, trans issue?

A friend of mine pointed me this way due to my current problems; I've been working on this for three weeks and am no closer to diagnosing the issue, so hopefully someone here can point me in the right ...
31
votes
3answers
30k views

Is there a way to put Prius with dead battery into neutral?

I own a 2010 Prius. It has a dead battery, front facing forward in my garage. I do not have long enough jumper cables. I’ve searched the Internet. Did Toyota really create a car that cannot be put ...
0
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1answer
329 views

trans codes trans not shifting o/d is blinking

I have a trans problem my truck lost power o/d light is blinking and trans does not shift at all it has codes that are p1747 p0755 p0743
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2answers
489 views

In an automatic transmission, what decides to change gears? [duplicate]

So say there is an automatic transmission in a car. Is there a computer inside the transmission that decides to change gears, or is there a computer in the car that tells the transmission to change ...
4
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1answer
883 views

2012 Toyota Tacoma won't shift into Reverse

I've just had my 2012 Tacoma towed to the dealership due to the truck not shifting into reverse correctly. I first noticed a problem when I was driving home and the RPMs would get up to between 3 and ...
2
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2answers
1k views

On a BMW E46 330Ci, is it necessary to pull the handbrake lever when you're in 'P' mode?

My flatmate drives a 2001 BMW E46 330Ci automatic transmission. I sat next to him while he drove us to the supermarket. When we arrived, I noticed that he only put the gear lever into 'P' and switch ...
3
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1answer
367 views

Handbrake Engaged for 9-10 km Driving Roughly 80 km/h

Make: Mitsubishi Model: Pajero Intercooler 2800 Handling: Automatic Year: 1992 I forgot to release the handbrake on my car this morning. I didn't realize I forgot to release it until I had driven ...
2
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2answers
757 views

Improving fuel economy in high-milage automatic transmission car

Obviously this question is similar to How to improve fuel economy in high-mileage car? except I am asking specifically about automatic transmission car. The car still delivers lots of ...
18
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2answers
8k views

Why doesn't anyone ever repair an automatic transmission?

I am old enough to have had about four transmission failures spaced over about 40 years and at no time did any mechanic ever offer to “fix” it; the only diagnosis has been a complete rebuild. This is ...
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2answers
439 views

The disadvantages of mitsubishi lancer 2007 [duplicate]

I am planing to buy a new car that has to be good enough to be used everyday . I have tried the speranza and the brilliance but weren't good and not reliable to be used everyday . Many friends ...
2
votes
1answer
518 views

Faulty TCC solenoid or bad computer?

Make: Pontiac Model: Sunfire Year: 2001 Engine: 2.2 L Trans: Automatic Hello to every one, bought my first car and it is fine except for this little annoying problem. After driving it for a ...
2
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1answer
400 views

What are MDLA and MDMA?

I'm looking at stuff for my 2001 Honda CR-V on Amazon.com, and it has a filter for transmission type. There are two options for automatic: MDLA and MDMA. I have searched on Google, and found the ...
9
votes
3answers
24k views

Switching from Reverse to Drive - always stop completely?

I've been told by a couple people that it's really bad for a car to be shifted from Reverse to Drive while the car is still moving backwards. Is this true? In my experience: On automatic cars, this ...
3
votes
1answer
2k views

Manual ECU with Automatic Car

Have 92 Accord with 1.8 VTEC. The Installed Engine is From 98 Accord. The transmission is the original which came with 92 accord. This transmission is operated by Kick Down cable and does not have any ...
2
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1answer
162 views

Caravan Automatic Transmission gear selector

2001 Caravan. Very hard to change from park to any other gear. Selector very loose when pulling down to shift but very hard to get it to stop at a specific gear. Then it is almost impossible to put ...
1
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1answer
100 views

2001 Acura CL hard downshifts

Not sure of a better title, but Ill try to explain what I am experiencing as best I can. I've driven a few different automatic transmission cars with a manual mode. Normally when down shifting (to ...
3
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2answers
323 views

Automatic & manual transmission

I read the following: Automatic transmission uses torque converter and planetary gears, while manual transmission uses clutch and a gear box. In automatic transmission, computer and hydraulics ...
2
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1answer
68 views

Can scraping the transmission bad

I had to drive on a very poorly paved street a few weeks ago with my car, and it was so poorly paved that I felt I was offroading, due to the deep potholes, at one point, my car's underbody kinda hit ...
5
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1answer
3k views

Automatic Transmission or Differential Backlash (Play)

I noticed that my car has what it seems to be significant differential play. I have a 1993 Acura Integra with automatic transmission. What I mean by play is simple: say I jack up only one front wheel ...
3
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1answer
120 views

AWD truck doesn't shift smoothly. I was advised to not change the transmission fluid

AWD Mercury Mountaineer. 1997 Automatic transmission. 8 cylinder 5.0L 150k miles. fairly good shape. Pretty awesome truck. From 1st to 2nd gear, the transmission shifts with a light clunk. Also, at ...
3
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5answers
3k 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 ...
2
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1answer
1k views

2006 Cobalt SS - Traction Control Light & Hard Shifting

I drive a 2006 Cobalt SS (not supercharged) with the 2.4L engine. In the last month or so the traction control light has been coming on periodically. Turning the engine off and back on causes the ...
4
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2answers
1k views

How hot is “HOT” on a transmission fluid (ATF) dip stick?

I want to add some fluid additive (Lucas) to my transmission, but I don't want to overfill it. The dipstick has add, warm, and hot for measuring. So how hot is the hot level? My temperature gauge ...