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

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4
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1answer
2k views

Remove transmission cooler lines K1500 '00

What is the trick from removing the cooler lines from the transmission on my 2000 k1500? I know how to disconnect the lines. I just don't know how to reach the clip on the lower connection on the ...
4
votes
2answers
69 views

Engine tap/knock/noise after a few seconds of starting

1998 I6 - 4.0L All stock ~175,300 mi 13.8 mpg - mostly city A few months ago, I began to hear a noise that sounds similar to a diesel engine, which begins a few seconds after starting the cold ...
4
votes
0answers
25 views

Will it harm the transmission to drive with a defective Turbine Speed Sensor?

I recently got a 0715 DTC ( 98 Mazda 626 GF 2L, GF4A-EL transmission ) which is related to the turbine speed sensor. Some of the symptoms according to the ATSG transmission manual are harsh and ...
4
votes
0answers
242 views

Engine Running Fast in Park

Never had this issue before but I just started my vehicle and the tac automatically revved up to 1500 rpm when I cranked it. It didn't go back down while in park, it basically idled at about 500 rmp ...
4
votes
2answers
1k views

Saab 9-3 stuttering and cutting out [closed]

I've got a 1999 Saab 9-3 2.0l Automatic (not the turbo). It's been running fine, then a bit more than a month ago it started to stutter when accelerating or decelerating. Only occasionally, but it ...
4
votes
1answer
3k 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 ...
3
votes
3answers
445 views

Safe engine braking in automatic cars

When I was learning to drive, I took my lessons in a manual car. On one of the lessons I was performing a reversing maneuver and I controlled the car on both the clutch and the brake pedal... which I ...
3
votes
2answers
2k views

Why do cars allow you to shift from Reverse to Neutral/Drive without brakes?

Every automatic transmission car I've driven (not sure if all do this) allow you to shift from Reverse to Neutral and from Neutral to Drive (and therefore Reverse all the way to Drive) without ...
3
votes
1answer
142 views

Is my transmission about to go?

I drive a 16 year old Subaru Legacy automatic which still has its original transmission and has never given me a moment's trouble in 16 years. Today while pulling out of a parking spot, I suddenly ...
3
votes
2answers
642 views

How to know when automatic-transmission box needs to be changed?

My friend is very odd: this thread about durability comparison between automatic/manual durability meant to him that manual is always better option because you can learn to change the clutch and only ...
3
votes
2answers
68 views

Automatic transmission sticking after car has not been driven for 3 months

My car has not been driven for a while and it is having trouble and sticking when shifting gears. Should I continue to drive it and will this problem fix itself or is there something I can buy like an ...
3
votes
1answer
435 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 it ...
3
votes
2answers
433 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 ...
3
votes
2answers
291 views

Is my automatic transmission broken?

I just broke down. Here's a description: ('97 Subaru Legacy) Driving completely normally along a town road, the car suddenly began to sputter and jump as I pressed on the gas. Then the check engine ...
3
votes
1answer
2k 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
52 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
77 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
12k 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
1answer
133 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
17 views

Testing and diagnosis for hissing sound only in forward gears 2000 Toyota Camry-LE

I have a 2000 Toyota Camry LE, with 147,000 miles on it. At present, when sitting at idle with the transmission in park, neutral, or reverse, there is no noise, everything sounds normal. When the ...
3
votes
1answer
39 views

Acceleration practices and wear on automatic transmission

Does a driver's acceleration practices substantially influence the wear on a car's automatic transmission? If a driver accelerates with a RPM > 3500 from stop, is this any "easier" on the automatic ...
3
votes
1answer
315 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
365 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
110 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
2k 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
20 views

2005 Chevy Avalanche

I have a 2005 Chevy Avalanche 1500 with 4x4. My transmission is shot and needs to be replaced. I currently have 146,458 miles on the engine, and figured I would replace the engine and transmission. I ...
3
votes
1answer
68 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
585 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
517 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
452 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
330 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
317 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 ...
3
votes
0answers
29 views

converting tramsmission

my car has in a Toyota 4e engine which uses a corolla 3 speed transmission. The transmission is faulty so i would like to change it to a 4 speed transmission toyota starlet transmission, same (engine)...
3
votes
0answers
38 views

Don't know if its my transmission, or gears

I have a 2009 Chevrolet Impala LT. When I drive in D it won't go past a certain speed but when I drive in 3 it sounds faster than what it's going. It will be at 60mph and the reader will say at 6 when ...
3
votes
0answers
56 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
votes
0answers
21 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
47 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
38 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
0answers
271 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
71 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
votes
0answers
381 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
346 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
6answers
629 views

Proper way to stop auto transmission car

I'm just having my first auto transmission car, with press to start button. How I start the car Press the brake pedal Press the "press to start" button to turn on engine Move gear from "P" to "R" (...
2
votes
1answer
317 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
75 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
2answers
3k 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
3answers
188 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
451 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. ...