Questions tagged [automatic-transmission]

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

4
votes
2answers
10k views

What damage can one expect from towing an all wheel drive(awd) with 2 wheels down?

About a year ago, I had my awd car towed 12 miles with the front wheels on the lift, rear wheels on the ground while on neutral gear. The car's drive train is the front wheels. I just learned awd ...
1
vote
0answers
255 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 ...
3
votes
1answer
147 views

Transmission problems diagnosis

I have a 1997 dodge ram 1500 with the 5.9 engine with an automatic transmission. When driving I have to go to the gear below the one I want then go up to the one I want. For example for drive I ...
2
votes
1answer
2k views

2013 Chevy Cruze Degraded Transmission Fluid

I recently had my car (2013 Chevy Cruze) serviced by the Dealer. I was told my transmission fluid was near black (I haven't seen it) and it was critical to be replaced. I have the following facts: ...
1
vote
0answers
56 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?
1
vote
0answers
327 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 ...
9
votes
2answers
5k views

Switch from N to D without brake

Will it cause any damage to the engine/transmission if one switches from N to D without pressing the brake pedal? I was driving at about 40 mph when I accidentally switched to N. Then after a while I ...
10
votes
1answer
897 views

Found a 10 mm nut in the transmission fluid

I was draining the fluid out of the automatic transmission of a '94 Sentra with a RL4F03A tranmission. While I was removing the magnets, one of them was holding onto a 10 mm hex nut. It was clean, not ...
3
votes
1answer
976 views

SAAB 9-5 automatic transmission warning

I recently had the aux drive belt fail on my SAAB 95. Because the alternator was then not running, the electrics all slowly died as the battery ran flat. As I was stopping I shifted into neutral and ...
2
votes
1answer
4k views

Weird metal sound when accelerating from 0 MPH (with recording)

It's hard to describe the sound so it will be easier if you give it a listen. Note that in that video I thought the problem was the brakes but now I think it might be something to do with the ...
1
vote
0answers
179 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 ...
2
votes
0answers
931 views

2010 Honda Fit Transmission Replacement

So I'm just looking for a sanity check ... I was told today that my 2010 Honda Fit's transmission needs to be replaced at a cost of $4,400. At this point it's making a whoosh-whoosh noise that cycles ...
2
votes
1answer
680 views

2007 Honda Civic p0843 high error code. Replaced switch, no change. Won't shift into 4th

I am stumped with a 2007 Honda Civic 1.8 sedan with automatic transmission. Other the car failing to shift into 4th gear all other transmissions functions are fine. It has a trans error code (p0843 ...
3
votes
1answer
570 views

Cadillac CTS can't take key out of ignition, automatic gearbox lights would not come up when changing gears

I have Cadillac CTS 2007, yesterday when I started a car I got a peculiar issue where all electronics (radio, sat-nav,..) went off, car would still drive though. So I kept on driving and when I got to ...
3
votes
2answers
856 views

Broken Automatic Shifter Cable Replacement

My 1994 Nissan Sentra started being difficult to start a couple of weeks ago. I'd have to shift into Neutral in order for it to start. I figured the automatic shifter cable was loose again, so I went ...
1
vote
1answer
2k views

How to disable the Torque Converter Clutch Solenoid on a 2001 F-150 with the 4R70W transmission

In another post, I mentioned that when I am trying to cruise I get a massive stuttering from my drivetrain. My only conclusion is my vehicle's torque converter clutch no longer can actually lockup. I'...
3
votes
0answers
107 views

Drivetrain stuttering on 2001 F-150 automatic

I have a 2001 F-150 with what I believe to be the 4R70W transmission. It's a 4 speed automatic with the 4.6L engine. The past two times I have driven it I have gotten a massive shaking and stuttering ...
4
votes
1answer
484 views

Automatic transmission shift problem on a 2002 Chevrolet Impala

I recently bought this car with an automatic transmission. After I backed up, I could not get it to go into drive. I reset the car by turning it off and then on until it worked. Last few times I've ...
5
votes
2answers
8k views

Transmission Lost Reverse Gear

I have a 2000 Chevy Trailblazer 4x4, just recently I lost my reverse totally but it shift well when I put it in drive. The truck runs great what can I do to fix this problem myself? I'm a little ...
3
votes
1answer
120 views

My automatic transmission has a strange vibration/bumping in all gears when cold

When I crank my truck for the first time in the morning, the rpm's bounce like something inside the transmission is randomly putting a load on the engine. It does this in all gears including neutral ...
8
votes
4answers
7k views

Should I change automatic transmission fluid JUST because it's brown?

About a year ago... I bought a used 2006 Hyundai Elantra with an automatic transmission and about 70k miles on it. Before buying it, I had it checked out by a mechanic who said it looked good. ...
1
vote
0answers
290 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 ...
4
votes
1answer
705 views

checking the transmission fluid

I put transmission fluid in my 2002 dodge 2500 van transmission. It keeps reading the same, but when I look at the back side of the stick after adding fluid, it looks like it is going up. Really odd.
4
votes
1answer
595 views

Truck won't budge in neutral. Could it be due to a cracked transmission bellhousing?

1997 GMC Sierra K1500 4x4 5.7L V8 Automatic Transmission (4l60e I believe) I pushed my truck up my driveway with another truck. My truck was very hard to move, even in neutral and with the parking ...
8
votes
3answers
2k views

Would not allowing my vehicle to downshift uphill be fuel efficient?

Would putting my car in Sport and leaving the transmission in 8th gear at highway speeds (using cruise) be more fuel efficient than leaving it in drive with full auto? I just noticed that while in ...
3
votes
1answer
850 views

My Reverse Just Went Out/Everything Else Is Fine

I have a 2001 GMC 2500HD automatic 6.0 Vortec and the reverse just quit. All the other gears work fine. Where can I find a video that shows how to solve this?
3
votes
1answer
480 views

Chrysler 300 shifts from Drive to Reverse when going uphill

This is a 2012 Chrysler 300. Had recall done labor day weekend on gear shift software and now when I go up a hill the car jumps from drive to reverse and rolls back. Then later on 3 to 4 hours later ...
1
vote
0answers
689 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 ...
1
vote
0answers
86 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 ...
2
votes
1answer
1k views

Stuck brake overheating transmission?

7.3 PSD - Ford F350 with the 4R100 AutoTrannny. Is it plausible / even common for a seized brake / caliper to cause a tranny to overheat? I've never had this occur previously on any vehicle, much ...
4
votes
1answer
2k views

Car shakes when in gear when stopped but not while driving

So I have a 2007 jeep compass and motor runs great, had and shakes in the motor/Trans area for a while. I replaced the spark plugs, air filter and the motor and trans mounts and it helped a little ...
2
votes
1answer
304 views

1999 Chevy Cavalier transmission-to-engine support brace

I'm removing the engine from a 1999 Chevy Cavalier (2.2L bi-fuel). Step 28 in the service manual in Remove the transmission-to-engine support brace. I've looked all around the transmission-engine ...
1
vote
0answers
42 views

My Van is Slipping Gears

Sometimes when in get into D in my 2005 Grand Caravan, my car will not go when I give it gas. Or, sometimes once I have put my van in D, I'm driving and suddenly my van slips out of D to N. If I give ...
6
votes
2answers
4k views

How to manually turn the flex plate on an Automatic Transmission

So, I've been having trouble starting my 02 - Diesel Excursion 4WD (7.3 PSD with 4R100 tranny). I get the squealing/grinding sound of a starter/flexplate with missing teeth. I replaced the starter ...
6
votes
3answers
1k views

Looking at buying a 1997 Toyota Camry XLE V6 with dark colored ATF, mistake?

I am looking at buying a 1997 Toyota Camry with 179,000 miles on the clock. The car is a V6 with an automatic transmission. Positive points about the car: Frame is immaculate (car spent several years ...
3
votes
1answer
148 views

Difficulty putting car in gear

A new neutral safety switch was just installed in our 2008 Pontiac G6. Why would that have an affect on the mechanism which puts the car in reverse, drive, and park? The console arm is now extremely ...
10
votes
3answers
23k views

Why is the ATF Level checked with the engine running?

I didn't realize until recently that the ATF level is supposed to be checked while the engine is running, unlike the engine oil level which you're supposed to check at least five minutes after ...
9
votes
3answers
4k views

Bump on the floor in the back of sedans

I can close this if it's a dup but my Google-fu didn't find a satisfactory answer. In the middle of the floor of some older automatic transmission sedans, there is a bump (my old 4 dr 2005 Accord, 4 ...
2
votes
1answer
8k views

Automatic Transmission RPM changes from 1st to 2nd gear

So this is a Corolla 2005 model, with an automatic transmission. I am just curious about how my car works. If I increase my RPM when I am in 1st gear, to say about 3k (by aggressively pressing down ...
1
vote
1answer
142 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.
5
votes
1answer
7k 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 ...
2
votes
1answer
1k views

Automatic stalls, then struggles to go up gear, revs bouncing - would low/bad fuel explain this?

I had a hair-raising incident yesterday. My engine (automatic transmission) cut out while driving at around 30mph on a main road, just like a manual stalling. It restarted on the first attempt as soon ...
3
votes
1answer
531 views

My 1992 Geo metro w/auto transmission does not shift automatically, but works fine shifting manually

My 1992 Geo metro with automatic transmission does not shift automatically, but it works fine shifting manually. The transmission shop check says the transmission is fine.
1
vote
1answer
141 views

2006 auto dipstick missing on my vectra C

I cannot find a gearbox dipstick at on my 2006 Vectra C 150 cdTI. No dipstick can be seen at all.
5
votes
1answer
20k views

How does a lock-up torque converter work, exactly?

I am familiar with the general workings of a torque converter. The engine-side blade pushes the fluid, the fluid spins the transmission-side blade. What I am all fuzzy about is, for lock-up torque ...
3
votes
1answer
5k views

2009 Ford Focus SE, Vibration returning after replacing Engine Mount

Like the title says, my car is a '09 Ford Focus SE, with an automatic transmission. Last year it started developing a vibration. Between two jobs and school, I just didn't have time to get it looked ...
3
votes
1answer
730 views

Automatic sticks in reverse briefly after shifting from reverse to drive [closed]

Got a mind boggle. Need some opinions. A good friend of mine has an early 2000's Dodge Intrepid and when he starts the car and puts it in reverse the car starts backing up. When you stop to pull it ...
5
votes
1answer
1k views

Should an automatic drop gears while driving flat without using any pedals, or should it cruise?

I fixed a problem with my accelerator pedal, which caused a different unexpected change to how my automatic behaves. Since it's my first automatic (I normally drive manuals), I want to know which is ...
5
votes
1answer
91 views

Toyota 4Runner - automatic (Old model ) misfires and delay in changing gears. What is the problem?

My Toyota 4 Runner (old model) misfires and seems lazy especially while climbing hills. There is also a delay in changing from gears 2 - 3 and 4. Can someone please help to advise? Thanks in advance.
6
votes
1answer
749 views

2006 Jeep Grand Cherokee transmission issue

70,000 miles. Every once in a while when my wife is driving, randomly the "transmission above temp" comes on and the engine revs. She puts the truck in neutral, shuts the truck off, then back on. ...