How do you read axle codes?

How do you read axle codes?

Traditional BOMs are 6 digits followed by 1 or 2 digits, and start with the numbers 60 or 61. On some tags, the first 2 digits won’t appear on the tag, but they must be used to identify the axle. For example, you might see 3994-1 for the BOM, but the 60 has been dropped and the actual BOM is 603994-1.

How do I know what axle ratio My Silverado has?

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.

What axle do I have?

Stamped Number on the Axle To figure out exactly what axle you have, you can look for the Dana stamped bill of materials number. This stamped number can usually be found on the righthand side or on the longer axletube on the same side of the tube as the differential cover, facing the rear of the truck.

How do I identify a GM 10 bolt rear end?

The easiest way to identify the 8.2-inch rearend at a glance is by the shape of the housing and the spacing between the lower bolts on the cover. The 8.2-inch 10-bolt has a smooth, round, lower-case area (no cast-in protrusions), with an 11-inch cover that has a diagonal protrusion at the top.

How do you tell if I have a 8.2 or 8.5 rear end?

Another way to tell the difference between an 8.2 and an 8.5 rearend is to pull the cover and look at the bolt holding the spider gear crosspin. If it takes a 1/2-inch wrench to remove it, it’s an 8.2. If it takes a 5/16-inch wrench to remove it, it’s an 8.5.

What trim level is my VIN?

Vehicle Identification Number You can also find the trim level of your car by looking at the VIN. The tenth character of the VIN will tell you the trim level. For example, a ‘1’ indicates a base model, while a ‘3’ would indicate a luxury model.

What is the difference between a 8.2 and 8.5 GM rear end?

Another way to tell the difference between an 8.2 and an 8.5 rearend is to pull the cover and look at the bolt holding the spider gear crosspin. If it takes a 1/2-inch wrench to remove it, it’s an 8.2. If it takes a 5/16-inch wrench to remove it, it’s an 8.5. There are several differentials for the 10-bolt rearend.

  • September 21, 2022