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.Mar 4, 2018
Where is the serial number on a 700R4 transmission?
You will find it on the rear side of the transmission on the passenger side.Oct 2, 2021
How can you tell the difference between a 700R4 and a TH350?
The shape of the oil pans is one way to differentiate between the TH350 and the 700R4. The TH350's oil pan is shaped like a square with one of its corners cut off, while the 700R4's oil pan is basically rectangular.
How do I know what GM transmission I have?
The easiest method of GM automatic transmission identification is to examine the transmission pan. New transmission designs came with new, unique pan shapes, and the general shape of the pan often paints a fairly clear picture of which automatic transmission you are dealing with.Jun 25, 2012
Where are the numbers on a 700R4 transmission?
All 700R4s have a long code numbe stamped into the case in the rear - just about the tin oil pan. The number tells you the month and year the trans was built along with the version code. The big cast-in MD-8 is just the RPO code and tells you nothing specific.Nov 15, 2016
How do I identify my GM transmission?
The easiest method of GM automatic transmission identification is to examine the transmission pan. New transmission designs came with new, unique pan shapes, and the general shape of the pan often paints a fairly clear picture of which automatic transmission you are dealing with.Jun 25, 2012
How do I find out what transmission I have?
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.
How do you tell what year 700R4 I have?
https://www.youtube.com/watch?v=9C_tR4-Y-fI
How do I tell which 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.
Is there a difference between 700R4 and 4L60?
In 1990, GM decided to code and renamed their transmissions, the 700R4 is best described as a 4 speed, longitude transmission rated for vehicles around 6000 lbs. It was this information that was used to change its name to 4L60; therefore, a 700R4 and 4L60 are the same transmission.