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

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3
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1answer
1k 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 ...
3
votes
2answers
43 views

Mazda 3 2011 1.6 Lts Gasoline - ECU

I was wondering if its possible for a Mazda 3 2011 AT car to function without ECU? The reason I am asking is When I start the engine, the CheckEngineLight doesnot come at all When I took my car for ...
3
votes
1answer
58 views

Can I use Dexron III H for power transmission requiring Dexron IID/III?

I've got a Freelander 1999 2.0L DI. I need to top up some power steering fluid. In the manual it says to use Dexron IID or Dexron III. I'm wondering whether I can use Dexron III H (e.g. Castrol ATF ...
3
votes
2answers
7k views

Reverse Gear Doesn't Work Anymore on an Automatic

I've been having troubles with my automatic transmission for sometime now mainly it's lost it's smoothness and has been slipping first thing in the morning. I've practically worked on every other ...
3
votes
4answers
2k views

RPM jumps up & back down at 40mph

My question is for a 2006 Dodge Magnum, 2.7 liter engine. Just over the past month or so, I noticed when I'm cruisung, just coming from a dead stop, when I'm at 40 mph my car kinda feels like it ...
3
votes
1answer
129 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
votes
1answer
173 views

Transmission sometimes downshifts forcefully with a clunk when I let off the gas 2003 Dodge Grand Caravan

As the title mentions, I have a 2003 Dodge Grand Caravan, and my transmission sometimes downshifts forcefully with a clunk when I let off the gas. It will do this no matter what gear I'm in (except ...
3
votes
1answer
222 views

Shifter(auto) stuck in park and override won't work

I have a 2005 Toyota Tacoma TRD that won't shift out of park. I just came back from a 3-month trip and went to drive my truck somewhere but it wouldn't shift out of park. This has happened before as ...
3
votes
1answer
90 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. ...
3
votes
1answer
1k 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
votes
1answer
54 views

High idle, not shifting gears - 1995 Mercury Mystique

My friend has a 1995 Mercury Mystique that was suffering from low idle problems (stalling out at stoplights, etc). He replaced the throttle position sensor, and after that the low idle problem was ...
3
votes
1answer
425 views

2005 Scion TC Automatic Skips Drive and goes to 3rd

2005 Scion TC automatic transmission never actually goes into D (drive), but goes right into 3 even though the gear shift lever is in the D position. The P R N D 3 2 L indicator on the dashboard has ...
3
votes
2answers
450 views

Why does car rumble/shake with light pressure on accelerator?

Have a 2006 Ford Expedition. I had noticed about 6 months ago that every once in a while it would rumble or shake when I was going 45-55 mph and with my foot only lightly on accelerator. Now it ...
3
votes
2answers
399 views

2007 Nissan Frontier Transmission, Differential & Transfer Case service intervals for light driving?

According to the owner's manual service/maintenance guide, automatic transmission fluid, differential oil & transfer case oil should be inspected for leaks at the following intervals: ...
3
votes
1answer
2k views

Howling sound when accelerating

I have a 2007 Ford Ranger that makes a faint howling sound when I'm accelerating, usually after being idle at a stoplight. I've tried slowly revving in neutral and I didn't hear the same noise. ...
3
votes
1answer
309 views

Pulley Difference After Drive Belt Change

I have one worry after yesterday's fairly difficult but successful drive belt change on my Big Boy scooter. The main nut on the fron pulley now goes on much less further than before it came off. I ...
3
votes
1answer
2k views

2004 Mazda 3 - clank when shifting into reverse

Every morning, or after the car has sat for a while, there is a loud clank from the engine area when I shift it into reverse. Sometimes I hear the same clank when shifting into drive, but not always. ...
3
votes
1answer
315 views

How to fix an electronic transmission that chooses overdrive and torque converter lock

'95 BMW 540i Automatic If I drive for a short (5 min) trip say go in to a store and come out. The engine will start and idle fine, but upon gear selection the car will try to drive through the brakes ...
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0answers
28 views

2010 mini cooper transmission noise and gear shift at RPM higher than normal

I'm hearing rattling noise when the transmission is engaged (drive) and it get's louder at higher rpm. previously I did not hear this. There is no noise when I rev engine in park mode. The gear in ...
3
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0answers
17 views

Transmission slip

I have a 2011 Chevy Impala. Once in a while the engine will rev and then kick into first gear. If I slowly press down onto gas petal it will not do this. If I start slow no problems, but if I put foot ...
3
votes
0answers
27 views

Volvo AW55 W mode hard shift avoidance

I have recently purchased a 2006 Volvo S60 T5 with 136,xxx miles. Like many mid-2000s Volvo's with the AW-55 transmission, it has succumbed to shift flares at 1-2 and 2-3. It is light but I would like ...
3
votes
0answers
35 views

2008 Honda Accord Automatic Transmission - Transmission seems to be slipping. Is it serious?

I have a 2008 Honda Accord with an automatic transmission. I don't know much about cars. The car seems to be having problems switching gears, especially in low gear. For example, often when I'm ...
3
votes
1answer
53 views

Identify parts I need from a supplier catalog

I'm French and I own an old Volvo V70 car whose automatic gearbox sounds seriously tired. In Europe an specially in France, automatic gearbox is not usual as it may be, say in USA, so it's not easy ...
3
votes
0answers
232 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
votes
0answers
65 views

Changing Ford e4od to 4r100

e4od is a gear driven speed sensor/ 4r100 is reading directly off tail shaft and signal is much faster causing speed to read much faster. Is there a way to put an in-line adjustable type signal ...
3
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0answers
324 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
votes
0answers
301 views

1992 Mitsubishi 3000gt sl. no power and won't go above 2k rpm

I bought an automatic 1992 Mitsubishi 3000gt sl 2 days ago. I got it cheap knowing it would have problems, and that's why I'm here. When I put it in drive and slam on the gas the car just simply ...
2
votes
1answer
268 views

when parked on uphill, it's difficult to engage any other gears on my automatic chevy 2004 impala.

when the car is parked on uphill, and I try to move the gear back on to reverse, it becomes extremely difficult. Like you have to put a little effort into it. Once it gets into gear, it makes a loud ...
2
votes
3answers
70 views

What is this thing behind my oilpan and is it bad that it's cracked?

Sorry I can't be more specific. I have no idea what it is and my google-fu has failed me. Here is an image of the part in question. It is in the center of the image and has a large crack in it. ...
2
votes
3answers
185 views

Vehicle squeaking 3-4 times when beginning to drive. Stops after getting some speed

Recently I've noticed that my 2012 Nissan Frontier (Automatic Transmission) is squeaking when I start driving from a complete stop. It will only squeak 3-4 times and will go away once I've gained some ...
2
votes
2answers
2k views

Pressing on gas and brake at the same time by mistake - How harmful is it to the gearbox?

I usually brake with my left foot when driving a car with automatic transmission. I find it easy to switch between right-foot and left-foot braking if needed (for example, if I need to drive a car ...
2
votes
2answers
386 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. ...
2
votes
2answers
520 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 ...
2
votes
3answers
14k 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 ...
2
votes
1answer
80 views

Volkswagen Passat went out of control

It was raining, and I was on a Motor Way, driving at about 100 mph and approaching 110. It was an automatic Volkswagen Passat, 12K miles old. The car started behaving weirdly, and it started shaking ...
2
votes
1answer
1k views

2003 Honda CR-V AWD - intermittently Flashing Drive light

My Wife's 2003 Honda CR-V's Drive light in the cluster occasionally starts flashing. The manual states that this means that the transmission requires service, but it doesn't do it all the time, and ...
2
votes
2answers
121 views

Are BMW automatic transmissions less reliable than manual ones? [closed]

I am considering purchasing a second vehicle and am looking at a 2001 BMW 325i with an automatic transmission; however, I have heard mixed reviews of the automatic transmission in BMWs. Is there any ...
2
votes
1answer
62 views

How Difficult / Expensive is it to Swap An Automatic Transmission?

Let's say you are thinking of getting a car cheap due to it having a spotty automatic transmission. How difficult / expensive would it typically be to get a low mileage second hand transmission from ...
2
votes
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 ...
2
votes
1answer
440 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 ...
2
votes
5answers
7k views

Can't move Chrysler 300M gear selector out of park

I got into my car this morning and couldn't move it from park after I started it. I can't change the gear at all. I can move the wheel, though. I've tried to wiggle it but haven't forced it because I ...
2
votes
2answers
1k views

How does a belt drive CVT variator work?

The title basically says it all, but I am the most interested in what the rollers actually do?
2
votes
1answer
1k views

Manually shifting an automatic transmission?

My car has been rather sluggish lately - both ABS and TCS lights are on, which means there is a sensor error somewhere. I haven't had the time to look for and fix said error, but I have had to drive ...
2
votes
1answer
43 views

2007 BMW X3 3.0Si wont start

I made the mistake of buying a BMW when moving to the Caribbean. It ran very well and has had a quarterly service every year. (We basically live on a permanent hill, very steep up and down) Last week ...
2
votes
1answer
6k views

Engine Coolant Temperature sensor goes bad whenever the outside temperature is hot

This is on a 1998 Chevy Cavalier, automatic transaxle, 2.2L. This sensor went bad last July and I replaced it then. When it goes bad, the check engine light comes on and then the temperature gauge ...
2
votes
1answer
6k views

Auto transmission shifting late, staying in low gear

The mother-in-law's 2005 Renault Clio (auto) shifts very late and stays in too low a gear. When decelerating the tranny downshifts early (it really likes the revs). The garages all want a heafty sum ...
2
votes
1answer
51 views

2003 Yukon 5.3 with 278,000

At 70 mph and about 2000 rpm, I have noticed that when i lightly press on the accelerator, the rpm will rise but speed will not increase. i press a little harder and the rpm will come back down to ...
2
votes
1answer
170 views

Engine sound rumbles/grumble noise 800-1300 RPM

A 2000 Toyota Celica GTS 225k miles engine makes a mild rumbling/grumbling rough sound when accelerating slowly from a stop in drive or reverse only in the 800-1300 RPM band. Does not occur when in ...
2
votes
1answer
583 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 ...
2
votes
1answer
665 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. ...