Common questions

How do I find the rear axle ratio on a 2002 Chevy Silverado?

How do I find the rear axle ratio on a 2002 Chevy Silverado?

Due to the various body styles, engine configurations and drive train options available, it can be difficult to determine the rear axle ratio of any particular 2002 Silverado by a simple visual inspection; however, with the right resources at your disposal, you may be able to determine your vehicle’s rear axle ratio using manufacturer’s codes.

Where can I find a GM axle part diagram?

Download these exploded view part diagrams and associated part lists to select an AAM series below that matches your GM vehicle.

Is the rear end of a 12 bolt truck interchangeable?

Early truck 12-bolts had axles with 12 large axle splines. The differential carriers are also narrower than those in passenger-car units. They are not interchangeable. That doesn’t mean the truck rearend is not capable of receiving performance upgrades. To the contrary, aftermarket 30-spline differentials and axles are available.

When did GM stop making 12 bolt differentials?

They were used until the end of production in 1987. Blazers from 1969 through 1981 also used this differential (four-wheel-drive Blazers had it installed on the rear only). Cover Charge At a quick glance, you can also tell when you’re looking at a truck 12-bolt, because the rearend cover has an irregular shape.

Where to find the rear axle assembly on a Chevy Silverado?

To find your Chevrolet Silverado 2500 Pickup Rear Axle Assembly from a RECYCLER NEAR YOU, just enter the YEAR of your vehicle and your ZIP code in the above form and press the “FIND” button.

Due to the various body styles, engine configurations and drive train options available, it can be difficult to determine the rear axle ratio of any particular 2002 Silverado by a simple visual inspection; however, with the right resources at your disposal, you may be able to determine your vehicle’s rear axle ratio using manufacturer’s codes.

Download these exploded view part diagrams and associated part lists to select an AAM series below that matches your GM vehicle.

Where can I find the axle gear ratio?

GM RPO Axle Codes. To find the axle gear ratio of any GM vehicle, locate the RPO sticker (typically located in the glove box) and write down any codes starting with F, G, or H. Then, find those codes in the table below.

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Ruth Doyle