How do I identify my GM transmission?
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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.
Where is the ID number on a transmission?
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.

Does VIN number tell your transmission?
Some OEMs still use the same 10-digit VIN patterns for automatic and manual transmission vehicles, meaning that VIN alone will not be enough to determine the vehicle’s transmission type.
How do I know if I have 4L60E or 4L65E?
The two transmissions cannot be differentiated from the outside. The 4L65E shares the same exterior parts but have stronger internals such as 5 pinion planets compared to 4 in the 4L60E. 4L60E uses a 6.5″ depth bell with 6 bolts for non gen 3 LS applications and a 7″ depth bell with 7 bolts for LS applications.

How can I 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 do I know what transmission is in my truck?
The simplest way to find your transmission type is to look in your owner’s manual. Your manual should have the name and type of transmission, along with service information. If you’ve misplaced your owner’s manual, most trucks have a white label printed on the inside of the driver’s door.
How do I know if I have a T10 transmission?
Look for casting identification on the transmission casing. According to Drivetrain.com, the “T10” designation and the code, “13-04,” is sometimes cast on the transmission housing. Count the cross-grooves on the input shaft. The input shaft enters the engine at the front of the transmission.
What VIN digit is transmission?
Digits in position 4 through 9 make up the Vehicle Description Section (VDS). The fourth through eighth digits describe your vehicle’s model, body type, restraint system, transmission type, and engine code.
How do I know if I have a 4L60 or 4L60E?
How do I know if I have a 4L60E or 4L65E?
What does 4L60E 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.
How to identify GM transmission?
2000–2007 5L40-E/5L50 — 5-speed medium-duty (used in Cadillac ‘s Sigma vehicles)
How to identify your transmission engine identification?
– small-block (260, 289, 302, 351W, and 351C) – FE-series big-block (332 to 428) – 335-series (429 and 460, plus the 351M and 400, which shared the same bellhousing pattern
How do I identify my transmission?
– Powerglide – 1950 – Turbo-Hydramatic 400 (TH400) – 1964 – Turbo-Hydramatic 350 (TH350) – 1969 – Turbo-Hydramatic 200 (TH200) – 1975 – Turbo-Hydramatic 200-4R (TH200-4R) – 1981 Turbo-Hydramatic 700-R4 (TH700-R4), later renamed 4L60/4L60E – 1982 – 4L80E – 1991
How to identify Chevrolet GMC manual transmissions?
GMC Model Year ID for N and F Model Trucks Transmission Identification The easiest way to identify your transmission is to look at the shift indicator on your steering column. Check your truck and use the illustrations above to determine your truck’s transmission type. Turbo Hydra-Matic Transmission Powerglide Transmission