how to identify rear end
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Ford 9 inch rear end identification is easy and can be accomplished with nothing more than a deep socket as a go-no-go gauge for the bottom two retaining nuts on the center section.
. Both GM and Mopar. GM Chevy - Differential Identification. Please select a rear end that matches your vehicle below.
How do I identify my 85 GM rear end. Traditional BOMs are 6 digits followed by 1 or 2 digits and start with the numbers 60 or 61. Most 82 factory covers also have the strange protrusion at the top.
Fortunately you can tell a lot about a rear axle by its shape and number of bolts on the differential housing. The stamped numbers on the left or right axle tube can also identify the axle. General Motors has a wide range of front and rear ends.
Shop by your differential. If the socket fits as shown in our photo below it is a Ford 8-inch housing. The Bill of Materials or BOM is the number stamped on the right or left hand tube of the axle.
Our experts will help you find the correct ring and pinion set for your particular application. However road debris dirt grime and general age can obscure these numbers. Full details on how to read and decode differential identification tags l.
These codes are arranged in alphanumeric order. 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. It also uses a 10 58-inch irregular-shaped cover.
11 rows The best way to be sure of which axle you have is by the Bill of. The easiest way to identify the 82-inch rearend at a glance is by the shape of the housing and the spacing between the lower bolts on the cover. The BOM will identify the model number the gear ratio the type of differential and all component parts.
A visual chart of different GMChevrolet rear ends is found on Ring Pinions differential types web page see References. The illustration below will help identify the axle in your Jeep. How to quickly identify the exact specifications of your Ford differential housing.
The axle identification tag is located at about the 3 oclock position under the third-member mounting nut when you are looking straight at the front of the axle. We carry everything from the 725 IFS front end parts to the large 115 rear end parts for 1-ton trucks. The identification process begins with locating the factory rear-end tag and then using visual methods.
Weve got it all. If the other side turns the opposite direction it is an open differential or a limited slip with worn out clutches. Rubicon models also come with an electronically lockable differential for optimal traction while in 4WD.
Rubicon models come standard with a 410 rear gear ratio and also use a Dana 44 axle in the front with either a 373 or 410 gear ratio. The 82-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. General Motors rear end differentials are referred to by the diameter of the ring gear ie.
2000 - 2002 Front Axle Model Designation changes. The Axle Ratio is stamped on a Gear Ratio Tag on the axle cover. 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.
When looking at the housing from the rear an 85 will have two squared off chunks of casting hanging on each side near the bottom of the differential. Engine Brakes Wheels Suspension Towing Parts Accessories. 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.
We make it easy to verify your exact rear end by. In actuality the term 12-bolt is due to the 12 bolts holding the ring gear to the differential. 75 inch 85 inch 105 inch.
Give us a call at 800-216-1632 to get started. If the other side goes in the same direction it is either a factory limited slip or possibly has a spool installed or the spider gears welded. Chrysler Dodge differential gasket patterns can help you indentiy what rear end you have.
On some tags the first 2 digits dont appear on the tag but they must be used to identify the axle. The width of the axle shafts is 131 inches. An 82 shown will have the same contour as the cover.
This will help identify the parts needed out of a Spicer catalog. These tags are typically quite beat up twisted and rusted over the years. We have a large selection of gear sets in stock and can recommend the correct.
Step 1 Locate the axle ID tag on the rear-end housing---usually a sheet-metal tag bolted to the housing although some vehicles had a paper tag which may be missing. All you have to do is get both sides off the ground and turn one side. 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.
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