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Questions tagged [torque-converter]

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30 views

2005 Subaru Outback Stalls upon stop

I have a 2005 Subaru outback 2.5L no turbo. For a few months, the car has been stalling at least once a day usually withing 15 minutes of driving although the car is at running temperature when it ...
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0answers
36 views

Went in for a transmission repair, had two torque converts fail since, Jeep Liberty

I've been having some issues with a local transmission shop. Basically, I had my transmission rebuilt and it has failed on me twice since. My vehicle is a 2006 Jeep Liberty CRD. My model has the ...
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0answers
17 views

Torque Convertor 2012 Honda Civic

Can my torque convertor cause my Honda Civic to shudder when shifting from 1st to 2nd and 2nd to 3rd gear(automatic transmission)?
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0answers
87 views

Transmission or torque converter issue?

Long story short, car is a BMW 530d automatic from 2012 with the ZF 8 HP transmission. The problem is, after the timing chain was replaced, 2 years ago (and transmission pullet out to do that), the ...
2
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3answers
91 views

Does clutch and gearbox order matter?

Does it matter if engine power goes through the gearbox before the clutch, or through the clutch before the gearbox? I'm not sure if there has to be a specific order of clutch & gearbox, or if it'...
2
votes
1answer
467 views

Do any torque converters disengage at idle?

Do any (or all?) torque converters disengage completely from the engine while the engine is idling and the vehicle is stopped, and/or the transmission is in Park/Neutral? If a torque converter does ...
2
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0answers
92 views

Jeep Commander all wheel drive automatic transmission no Park

I have an '07 Jeep Commander (all wheel drive). Coming home, I went across railroad tracks and lost all my gears. No park, no gears. The transmission fluid is full. My mechanic says it's a bad ...
1
vote
1answer
443 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 ...
3
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3answers
5k views

Which is better lockup or non lockup converter?

So which is better a lockup converter or a non lockup. It's being put in a Chevy 4x4 with a 700R transmission, it's a daily driver and used for towing?
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3answers
409 views

ATF Warmup (On a cold day)

it’s cold outside now and I was just wondering about my automatic transmission. If you brake fully and apply throttle but the car isn’t moving heat energy is added to the atf right? Would it be ...
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1answer
98 views

Does One wheelspinning in mud damage my car?

if one of wheels trap in mud or lifting up on Jack so rotate idle, and another wheel stop to rotate(because differential), is this situation damage torque converter or Automatic transmission?? or ...
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0answers
54 views

66 mustang automatic (3 speed) adding fluid after removing pan gasket

What I've done so far to the trans: removed pan replaced filter replaced pan gasket put it back together Issues: I have a bad torque converter (lurches then stalls when selecting gear) no idea if i ...
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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'...
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0answers
106 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 ...
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0answers
276 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 ...
5
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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 ...
8
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1answer
1k views

How does the Koenigsegg Regera work?

The Koenigsegg Regera is Koenigsegg's newest car, and is a hybrid. However, unlike other "hypercars," like the Holy Trinity, the Koenigsegg doesn't have a gearbox. I'm assuming that it uses some sum ...
5
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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 ...
9
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0answers
353 views

Torque convertor shudder? [closed]

I drive a 2011 GMC Sierra 2500HD ex-cab 2wheel drive with a 6.0 gas engine and a six speed 6L90 automatic transmission. I have started noticing what I believe is called "shudder" from my tranny under ...
7
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2answers
158 views

Is my 1999 blazer having transmission problems?

I have a '99 Chevy Blazer. It never wants to get moving right away. It takes 30 seconds to a minute before I can get fully going. It also shakes when I am at a red light or stopped. I noticed today ...
8
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1answer
376 views

What is the Connection Between Failing Torque Converters and Vibration?

When trying to determine the source of vibrations at idle in my 98 Mazda 626 GF 2L one thing I've found mentioned by many people is a potentially worn out / failing torque converter. However, when ...
4
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0answers
224 views

Vibrations and Torque Converter Failure

I've read in various places that one cause of vibrations when shifting from Park to Drive in an ATX is impending torque converter failure. Another person asked about the different ways in which a ...
7
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4answers
33k views

How to measure angle when ratcheting a bolt?

The torque spec for my Tacoma says that cylinder head bolts should be torqued (in a specific sequence) to 27 ft/lbs initially and then again each should be turned another 180 degrees in the same ...
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2answers
2k views

How can torque converters fail?

In what ways can a torque converter stop working properly? Are there any symptoms that indicate failure, or simple tests one could do to determine a malfunctioning TC?
6
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1answer
903 views

How does a torque converter work?

I am still in the learning process and I am okay with torque converter but there are some things I can't understand very well: Why does the impeller and turbine have vanes in opposite directions? ...