how to identify rear end

How to Identify Ford Rear Ends Step 1. In actuality the term 12-bolt is due to the 12 bolts holding the ring gear to the differential.

Sierra Gear Axle Sierra Gear Axle Online Axle Rear End Gears Coding

They have a ring gear diameter of 7 and 18 inches.

. The rear end is centrally located between the rear wheels. The BOM will identify the model number the gear ratio the type of differential and all component parts. How to Identify a 10-Bolt 85-inch Posi Rear End.

On the back of the unit count the number of bolts holding the inspection plate cover to the rear end housing. Fortunately you can tell a lot about a rear axle by its shape and number of bolts on the differential housing. A Chevy 12 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle.

On some tags the first 2 digits dont appear on the tag but they must be used to identify the axle. Although not technically how it got its descriptive name the easiest way to identify a 12-bolt rearend is obviously by the 12 bolts holding the rear cover in place. Locate the axle ID tag on the rear-end housing---usually a sheet-metal tag bolted to the housing although some.

Like Superman in street clothes however it can be hard to identify this beefy unit among its weaker cousins the 10-bolt 82-inch with open differential. The Dana 30 gear ratios are either 321. 8-14 has 10 bolts evenly spaced.

Traditional BOMs are 6 digits followed by 1 or 2 digits and start with the numbers 60 or 61. When it comes to getting power to the pavement GMs 10-bolt 85-inch rear end with Positraction is a hero. There are 3 different ways to identify the rear-end gear ratio.

This video shows you how to tell if your rear wheel drive car or truck has a limited slip differential and also what gears it has. How to Identify Some Typical Ford Centers Lets start with the 9 First off the 9 is a removable carrier type rear end it shares this design in common with its baby brother the 8 while the 6 ¾ 7 ¼ 77 88 and Dana rears also used in Fords are integral carrier types. Look under the rear of the vehicle.

The cover is almost perfectly round. I believe I have IDd it as a 1958-59 Ford 9-inch. However road debris dirt grime and general age can obscure these numbers.

GM Chevy - Differential Identification. Then put your VIN number in and youll have every option listed for your truck. We carry everything from the 725 IFS front end parts to the large 115 rear end parts for 1-ton trucks.

All Chevrolet rear ends can be identified by comparing the gasket shape to an identification chart similar to the one found on Drivetrains differential identification page see References. Shop by your differential. GM differential identification is easy the diff can be accurately identified by the bottom line of the tag number or axle tube stamp this also applies to Dodge rear end identification and most other makes of truck.

9-34 has a 10 bolt rear cover. To help you find the right part we first need to properly identify the axle you have or need. This axle size is the most common and youll only find it on the front of Jeep.

Some Dana units share the same number of bolts however this aids in a process of elimination. Not all vehicles are set up the same even though they may be the same make and model. If it was always that easy though we wouldnt need to.

The number in the name Dana 30 Dana 44 etc is in reference to this. We make it easy to verify your exact rear end by providing specs and year make and model. 11 rows Rear Axle Identification.

Based on photo research I think it is a 1959. Locate the VIN. All three units have 10 bolts as.

Vin code Dividing the Ring and Pinion Teeth Count and counting the Wheel Turns. Count the number of bolts on the inspection cover of the rear-end housing. Click on the equipment listing in the left hand side of the page.

The inspection cover faces the back of the vehicle and can be seen by looking forward from the rear of the car under the license plate. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features Press Copyright Contact us Creators. Both GM and Mopar.

The easiest way to identify an axle is to look at the cover on the carrier housing. I have a rear end in my car that has been sort of a mystery. A visual chart of different GMChevrolet rear ends is found on Ring Pinions differential types web page see References.

It is quick and all you d. 9-14 has a 12 bolt rear cover. Heres a link to dodges main website.

Other way is climb underneath and look at the back pumpkin most trucks have a small metal tag attached to a diff cover bolt. Its worth noting that rear axles can sometimes be positively identified by a casting number and date stamped on the differential cover or axle tube. Conclusion Knowing your cars rear end gear ratio can give you a greater understanding of your car and help in changing different parts.

7-14 has a 9 bolt rear cover. 8-34 has no rear cover. General Motors has a wide range of front and rear ends.

Please select a rear end that matches your vehicle below.

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