When did the Chevy 4L80E transmission come out?
Unlike the later 4L60E transmission, the 4L80E did not feature a removable bellhousing, but an integrated bellhousing with only the Chevrolet 90 degree engine bolt pattern being available. In 1991 the 4L80E was rolled out in GM trucks, including the Sierra, Silverado, Suburban, etc. as well as the Hummer H1.
What is the RPO code for a GM 4L80 transmission?
The 4L80 nomenclature denotes that the transmission is a 4-Speed, Longitudinally mounted, and for 8000 lbs. vehicle weights. It’s RPO code is “MT1” and has been domestically manufactured in GM’s Ypsilanti and Willow Run plants.
What does p1810 mean on a Chevy truck?
Not long after I got my truck, in January, it threw a P1810 engine code. My scanner says that is a GM specific code, and is for “tfp (transmission fluid pressure) valve position switch circuit malfunction”. The problem is supposedly that GM made a crappy part, and it gets gummed up and throws the code.
What kind of case does a GM 4L80E have?
Like the other GM automatics, the 4L80E featured a die-cast aluminum case. Unlike the later 4L60E transmission, the 4L80E did not feature a removable bellhousing, but an integrated bellhousing with only the Chevrolet 90 degree engine bolt pattern being available.
What kind of transmission does a 2003 Chevy Silverado have?
MG5 – This is the NV3500 manual transmission. It’s the only manual available for the 2003 Silverado. M30 – This is the 4L60E automatic transmission. It came in the lighter duty trucks. It’s a four speed overdrive transmission. MT1 – This is the 4L80E automatic transmission. It was used in HD applications.
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.