Where is the transmission code on a Chevy?
Where is the transmission code on a Chevy?
Open the driver’s side door and find the white card on the side of the door that is filled with small black lettering. This card contains specific details about the year the car was made, its transmission, engine specifications and other details. Underneath or beside the “TR” symbol will be a number code.
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.
Where do you find the transmission code on a Chevy?
Chevy Automatic Transmission Identification: Other Methods Some transmissions have a code stamped onto them. Others have a tag rivited to the case. Most transmissions will have a “source serial number” (chassis vin) usually found close to the transmission code.
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.
What do you need to know about GM 4L80E transmission?
Because the 4L80 transmissions are sometimes used in conversion applications with earlier, non-PCM controlled engines, GM and aftermarket control modules are required and used to control the operation of the transmission in these scenarios. The 4L80E transmission may feature two speed sensors, one for turbine input speed and one for output speed.
When did the GMC 4L85 transmission come out?
The 4L85 transmission was introduced in 2002. Some of the differences included a 5-pinion output gearset and 5-pinion reaction gearset. Though not a transmission development change, in 2006 GM specified a new transmission fluid formulation and required its use (for warranty) in the 4L80 series.
Chevy Automatic Transmission Identification: Other Methods Some transmissions have a code stamped onto them. Others have a tag rivited to the case. Most transmissions will have a “source serial number” (chassis vin) usually found close to the transmission code.
When did the 4L80E TH400 transmission come out?
If you use the process of elimination, there are only a few transmissions that it can be. The transmission itself has been around since 1991, and the case has changed a bit like the 4L60E/ 700R4 twins. The 4L80E is essentially a TH400 with an overdrive gear added.
