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How do I know what transmission I have in my Silverado 1500?

To determine the transmission in your Chevrolet Silverado 1500, you'll need to look for specific identifying information on the vehicle. This can typically be found on a label or tag located in the engine bay or on the driver's side door jamb. By identifying the transmission, you can ensure you have the right parts and fluids for maintenance and repairs.


Locating the Transmission Information


The first step is to locate the transmission identification tag or label on your Silverado 1500. This is usually found in one of two places:



  • Engine bay: The transmission identification tag may be attached to the transmission itself or on the firewall in the engine compartment.

  • Driver's side door jamb: There may be a label on the driver's side door jamb that lists the transmission type.


Once you've located the tag or label, you'll need to decipher the information provided. This typically includes the transmission model number, which can be used to determine the specific transmission in your vehicle.


Identifying the Transmission Model


The transmission model number will usually be a combination of letters and numbers, such as "4L60E" or "6L80E". These codes can be used to identify the transmission type, number of gears, and other key details:



  • 4L60E: This is a 4-speed automatic transmission commonly used in Silverado 1500 models.

  • 6L80E: This is a 6-speed automatic transmission found in more recent Silverado 1500 models.


If you're unable to locate the transmission identification tag or label, you can also check your owner's manual or contact a Chevrolet dealer for assistance in determining the transmission in your Silverado 1500.


Verifying the Transmission


Once you've identified the transmission model, you can verify the information by checking the vehicle's specifications or consulting a repair manual. This will ensure you have the correct transmission details for your Silverado 1500, which is important for maintenance, repairs, and selecting the right replacement parts.

How do I identify my transmission?


You can find your transmission type on your window sticker, a Build Sheet, or a Vehicle Identification (VIN) Decode Letter.



Can VIN number tell transmission type?


The transmission isn't generally encoded in the VIN. But you coulds give the VIN to a dealership parts dept, who could look up the sales options and let you know the the transmission option you have.



What vehicles have 6L80 transmission?


The 6L80E transmission is widely used in such popular GM applications as the Silverado and Sierra trucks, Tahoe, Suburban, Denali, Hummer H2, Cadillac Escalade, STS and CTS, Camaro, and G8 .



How to tell what transmission is in a Chevy by VIN?


Enter the VIN into the NHTSA's online VIN decoder.
Go to https://vpic.nhtsa.dot.gov/decoder/ and type in the VIN (the 17-character Vehicle Identification Number). Look under the “Engine” category of the resulting report to find information on the vehicle's transmission.



What year Silverado has 6l80 transmission?


The 6L80 began manufacture in 2005 for release in 2006 model year GM vehicles, persisting until at least 2016 in both 6L80 and 6L90 versions.



What transmission does a Chevy Silverado 1500 have?


10-speed automatic transmission
It's paired with a 10-speed automatic transmission. Drivers can also choose the Silverado 1500 with a 6.2-liter EcoTec3 V8 engine with 420 horsepower, 460 lb-ft of torque, and a 10-speed automatic transmission. This engine also has Chevrolet's Dynamic Fuel Management technology.



How do I tell which 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.



How do I know what transmission I have on my Silverado 1500?


Open the driver's side door and look for a white placard with small black lettering. This card contains specific details about the year the car was made, its transmission, engine specifications and other details.



How do I know if I have a 6L80 or 6L80E?


However, your identification method depends primarily on whether the transmission is still mounted in the vehicle or has been dismounted. If the 6L80E transmission is still mounted in the vehicle, you can only identify it using its RPO tag in the vehicle's glove compartment.



What truck has the 4L60E transmission?


The 4L60-E is found in nearly every GM rear-wheel-drive application, including the C/K Truck, Sonoma, Jimmy, Tahoe, Yukon, Astro, Safari, Suburban, Bravada, Firebird, Camaro and Corvette.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.