While there are no distinctive pans and bolt counts to make transmission identification simple, 4-speed manual transmissions can be generally identified by examining the side profile. The shape of the main housing will give a reasonably reliable indication of the transmission group to which your gearbox belongs.
How do I find my transmission ID number?
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.
Where are the casting numbers on a Chevy transmission?
Casting is located above side cover, on trans. case.
How do you tell if I have a 4L60 or 4L60E?
The rear output housing is configured with a six-bolt pattern in late model 4L60E transmissions. The 4L60 transmission is configured with a four-bolt pattern. The bolt pattern is not a guaranteed distinction, however, as early 4L60E transmissions, manufactured from 1992 through 1997, also have a four-bolt pattern.
How can you tell transmission from VIN number?
Another way is to crawl under the vehicle and look for part numbers. Using a good flashlight, look for part numbers stamped into the transmission pan or the transmission itself. Your local auto part store or dealer will be able to cross-reference the numbers to determine the kind of transmission the part belongs to.
How do I find the VIN number on my transmission?
Simply write the VIN number down and you can then ask a dealership service department, auto repair shop, or auto parts retailer to help you identify the transmission. They’ll easily be able to find the specs by plugging the VIN number into the computer.
How do I know what Chevy transmission I have?
Chevrolet transmissions can be manual or automatic. Automatic transmission on a Chevy can be identified in one of two ways: You can look at the size of the pan on the transmission or you can search for the identification number that has been stamped somewhere on the casing.
What years does 4L60E transmission fit?
Major Differences Between 700R4/4L60E/4L65E Transmissions
| 700R4 | 4L60e | |
|---|---|---|
| Year Range | 1982 to Early 1993 | 1993 to Present |
| Case Style | 1-Piece | 1-Piece or 2-Piece |
| Pan Style | Shallow | Shallow 1993-1997 Deep 1997-UP |
| OEM Planets | 4-Pinion | 4-Pinion |
How can you tell the difference between a 4L60E and a 4L80E transmission?
Appearance. The 4L80E can be told apart from the 4L60E by looking at their transmission fluid pan. This is because the 4L80E has a pan that is oval in shape whereas a rectangular pan is featured by the 4L60E. Another disparity between both devices is the number of bolts used to secure the transmission to the engine.
How do I identify a Chevy 350 transmission?
The 350 transmission is easily identified visually, by counting the pan bolts and by locating transmission number. This number contains the year of manufacture, but does not identify the transmission as a THM350.
How do I identify a GM TH350 transmission?
Look for the vacuum modulator. It will be on the side of the transmission and have a rubber vacuum line attached to it. If this fitting is on the right front of the transmission, you have a TH350. On the similar TH400 it is attached at the right rear of the transmission.
How do I identify a Turbo 350 transmission?
You’ll know it’s the TH350 if you have the fitting attached to the right frontal side of the transmission. However, it is the TH400 if this fitting is at the transmission’s front-rear side.
What vehicles have a 4L60E transmission?
Some of the models that used the 4L60E transmission include the Chevy S-10, the Chevrolet Silverado 1500/2500, the Chevrolet Suburban, the GMC Sierra 1500/2500, and the GMC Yukon. The first variation was made from 1993–1997 and featured a one-piece case where the bellhousing was cast into the case itself.
What does 4L60 stand for?
In 1990, the 700-R4 was redesignated the 4L60, with “4” meaning four-speed, “L” for longitudinal installation (north/south), and “60” meaning light-to-medium-duty use and 6,000-pounds gross vehicle weight. Although the 700-R4 had a new designation, the same old driveability and shift programing issues persisted.
How can you tell the difference between a 700R4 and a 4L60E?
You can’t tell the difference between a 700R4 and a 4L60E by the oil pan as they are nearly the same. If the transmission has a large 18-pin electronic connector above the passenger side pan rail, it’s a 4L60E, as seen here. If it has a cable connection near the cooler lines on the passenger’s side, that’s a 700R4.