When did GM start using the 4L80E in trucks?

GM started using the 80E in 91 on the 3/4 and one ton trucks. Before that was the good ole TH400. 93 was the first year for the 4L60E. Sounds very doubtful that it is a major internal hard part.

Can a 4L80E truck shift to overdrive?

In OD, truck shifts smooth through First, second and third, just wont shift to overdrive. Fluid is clean, no metal shavings, no burnt appearance or smell. To be quite honest, the trans looks great inside the pan. The trans shop guy said the transmission was rebuild a few years ago, which is good, trucks got 208k on her.

Where is the Transmission Control Module on a 4L80E?

The 4L80E Transmission system is equipped with a computer called the Transmission Control Module (TCM), located in the left/rear passenger seat compartment which interprets, ana-lyzes and records electronic signals from sensors and switches located on the engine, brake pedal, and transmission.

Can you put a 4L60E in a half ton Suburban?

I know they put 4L60E’s in half ton suburbans. According to my research, the look of the trans, and the shops ive taken it to, its a 4L80E, unless of course these trans shops are as shifty as they look. Also, It just plain doesnt work.

How many Chevy 454 SS pickup trucks were made?

*In 1993 Chevrolet made 843 – 454 SS pickups offered in Onyx black, Victory Red, Summit White. Same as 1992 not keeping records of each color. *1991 to 1993 454 SS are low production at only 3,205 made, compared to the 13,748 that were produced in 1990.

What kind of transmission does a Chevy 454 have?

The standard transmission matching the LE8 454 on 1973 to 1987 trucks was the four-speed Muncie manual. The Muncie four-speed manual with overdrive was available on 1982 to 1987 models. The 1973 to 1976 half- and three-quarter-ton trucks with the 454 received the TH350 three-speed automatic.

Is the Chevy 454 LE8 still in use?

The LE8 version still served GM trucks through 1991, although its horsepower rating varied from a low rating of 215 horsepower in 1974 up to about 230 in 1991. The standard transmission matching the LE8 454 on 1973 to 1987 trucks was the four-speed Muncie manual.

What’s the gear ratio for a 4L80E TH-400?

Jeff Smith: The physical part of bolting this transmission in the car will be easy. The 4L80E is just a longer, heavier, overdrive version of the TH-400. It uses the same first three gear ratios but adds a 0.75:1 overdrive. This means that with a 3.55:1 rear gear, the overdrive drops the effective rear gear ratio to 2.66:1.