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What kind of torque converter does GM 4L80 have?

What kind of torque converter does GM 4L80 have?

The torque converter is a fluid turbine drive and like those on its predecessor transmissions; the TH350C, 700R4, and 4L60, the 4L80 features a lock-up pressure plate for direct mechanically coupled driving from the engine crank. The 4L80 features a 310 mm torque converter. As to length, this transmission is 26-1/4″ long.

Are you looking for 4L80E transmission troubleshooting help?

Are you looking for 4L80E transmission troubleshooting help, 4L80E rebuilding tips, 4L80E technical service bulletins, 4L80E diagnostics or technical information? Do you just have 4L80E questions and need some answers?

Why is my torque converter leaking hot fluid?

The TCC gets line pressure from a valve that is opened from the TCC solenoid valve so to speak. Since your transmission has 200Ks on it the problem is likely that the valve sleeve bore has worn. When the Torque converter Solenoid strokes the piston the transmission fluid leaks past when hot.

Why is my torque converter valve not working?

There is a Torque converter solenoid valve. It sends a signal to the torque converter pump. The TCC gets line pressure from a valve that is opened from the TCC solenoid valve so to speak. Since your transmission has 200Ks on it the problem is likely that the valve sleeve bore has worn.

Are there any problems with the torque converter?

A very common problem is that the torque converter bearings will get worn out. This does often not cause any slipping or other problem with the transmission, but it can create bearing noises from the transmission.

How big is a 4L60E Super Street Raptor torque converter?

” Eleven Inch Super Street Raptor Torque Converter 4l60E LS1″ Fits 4L60E transmissions, 1998 up LS1 type motors only . This 11 Inch stall converter is balanced, has furnace brazed fins, all bearing construction and a Sonnax carbon fiber clutch . This converter is lighter and has an inch smaller diameter than the stock size.

What causes transmission fluid to leak out of torque converter?

A faulty seal of the torque converter will cause the transmission fluid to leak out of the torque converter, and thus the pressure inside the converter will be lost. Low pressure inside the torque converter will cause slippage, overheating, and other strange symptoms.

What are the problems with the 4L80E transmission?

No shift into OD under acceleration; OD will not hold under load and can hear or feel trans shift to OD when throttle is let off but slips into 3rd when throttle applied; sudden erratic lugging condition in lower gears when manually shifting: Bad news: this is going to involve a lot more time and money to fix this problem.

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Ruth Doyle