how to identify chevy differential

The coil spring mounts and the mounts for the upper trailing arms on the differential identify this as a Chevelle or Monte Carlo rearend not one from a full-size car like an Impala. The 4x4 system works it just makes the grinding noise very similar to worn brakes grinding into a rotor and NO its not the brakesbrand new pads and rotors but only when on the gas or braking I suspect its the engine braking effect on a worn out pinion bearing.

How To Identify Your Differential Case On 1973 1987 Chevrolet And Gmc Trucks Chevy Motors Trucks 87 Chevy Truck

The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below.

. Still the 14-bolt semi-float is a solid axle for a lot of applications. The inspection cover is on the back of the housing seen by looking. Learn how to quickly identify the three different variations of the GM 14 Bolt differential - the 95 105 and 115 - and the differences in setup for ea.

As the name implies GM 10-bolt differentials will utilize 10 bolts to secure the differential cover to the carrier. There are three variations of the Dana 60 axle. The front axles are engaged fully.

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. Its imprinted on a metal plate placed in the dashboard just above the steering wheel and on a sticker inside the drivers side door. They can also be identified by whether the center section is.

Without an ID tag differentials are identified by the number of cover bolts the distinctive shape of the cover the number of ring gear bolts and ring gear diameter. Compared to a GM 10-bolt axle for example a semi-float 14-bolt is a nice upgrade. Its also on the title of your automobile.

The Chevys rear axle code contains information on the vehicles gear ratio date of manufacture and the rear axle assembly plant. Accurate identification using the GM RPO code assumes that the rear end has not been previously modified The prefix is usually F G or H when referring to Axle Identification. The most noticeable difference is the reinforced cast iron differential in the Dana 61.

Fortunately you can tell a lot about a rear axle by its shape and number of bolts on the differential housing. Just like a 10-bolt rearend there should be stamped numbers on the axle tube on the passengers side. 95 rows 1958-1970 Chevy Rear Differential code Identification.

If it has 30 splines or less then its a Dana 60 axle. Its simple to locate your vehicles VIN. Dana axle identification is located on axle tube between Steering Shock Absorber Bracket and the Carrier.

How to Identify a Chevy Rear End. This code will tell you the ratio whether it is posi or not any special notes and what plant it was. All of these axles take different parts so we need to properly identify the axle you have to get the right part.

While drifting without throttle or. Here are three simple techniques to assist you to figure out what your VIN code is. Not all vehicles are set up the same even though they may be the same make and model.

To determine which one you have check the number of splines your axle has. Compared to the 14-bolt full-float axle the 14 bolt semi-float has a smaller ring gear 95 and the axle shaft can not be removed without also removing the wheels. 95 rows 1958-1970 Chevy Rear Differential code Identification.

In some cases there is an additional. Front Axle Identification. If you have a 1994-2001 Dodge you may have a Dana 80 axle which also has 35 spline axle shafts.

It consists of a two or three letter prefix representing the gear ratio code four-digit number for the assembly date in a monthday format and a single letter denoting the manufacturing location. To help you find the right part we first need to properly identify the axle you have or need. The best way to be sure of which axle you have is by the Bill of Material Number stamped on the right hand axle tube.

If there are 33 or 35 splines then you have a Dana 70 axle. See the Spicer Axle Identification information. Count the number of bolts that secure the differential cover.

Differentials that feature Positraction will have a small identification number comprising two or three digits located on the lower right side of the differential cover. Using the charts below you will be able to learn alot about the rear differential in your classic full size Chevy. Count the number of inspection cover bolts on the rear end housing.

However road debris dirt grime and general age can obscure these numbers.

Gm Locking Differential How It Works Automotive Mechanic Automotive Repair Locking Differential