How are differentials installed on a GM Truck?

Each Differential case is carefully inspected and totally reconditioned to meet original specifications. Then all units are supplied with new bearings and seals. Additional parts such as ring and pinion, inner case, and other internal parts are rigorously, thoroughly tested and replaced if out of O.E. specifications.

How can you tell if a Chevy differential is open?

Another simple test is to jack up the back of the vehicle with the wheels off the ground and the trans-mission in neutral. Spin the tire and watch which direction the other wheel turns. If it spins in the same direction, it is a Posi. If it spins in the opposite direction, it is an open carrier.

How does the pinion gear work on a GM differential?

In both units the pinion gear uses a crush sleeve to set the preload on the bearings and removing it requires the installation of a new crush sleeve. So, consider this fair warning. Once the axle shafts have been removed, you can lift the ring gear and carrier out of the center section. Then the carrier disassembly can commence.

What happens to the rear end of a rebuilt differential?

Once thorough cleaning is accomplished the differential goes back to our rebuild center to begin assembly. All differentials are fitted with new bearings, carriers, ring and pinion, as well as yokes and seals. After assembly they are painted to lock in the renewed surface we obtained from cleaning.

What kind of front differential do I need for 1998 GM Truck?

This fits 1998 and newer GM 3/4 and 1 ton trucks with the 9.25IFS 4X4 front differential. If you’re looking for GM 9.25 IFS front differential parts for your GM 9.25 front differential rebuild, or you are about to tackle an 8.25 IFS front differential rebuild, you’ll find the GM axle parts you need here at prices you’ll feel good about.

How big is the rear differential on a GMC 3500?

Remanufactured by the experts at National Differential, the GMC 3500 Sierra Truck Rear Differential with Limited Slip 11.5-Inch 2011-2017 is for GMC 3500 Sierra Trucks with Two or Four-Wheel Drive for the years: 2011 2012 2013 2014 2015 2016 2017 Vehicle repairs always come as a blow to your budget.

Why is my GM 8.25 inch front differential leaking?

Running the incorrect ring and pinion differential ratio can GM 8.25 inch front differential replacements and partscost you a lot of money! Leaking fluid or noise coming from the front differential is a problems.

Where can I find a GM front suspension differential?

Pick a subcategory at the top of this page that applies to your type of GM independent front suspension differential and narrow down your search to your specific requirements.

What kind of lubricant do I need for front differential?

All of our front differentials come ready to install and only require you to add three to four pints of SAE 75W-90 Synthetic Axle Lubricant depending on the application. Each Differential case is carefully inspected and totally reconditioned to meet original specifications. Then all units are supplied with new bearings and seals.

Why is carrier bearing preload important in differentials?

Carrier bearing preload is not speciﬁcally measured, but a good tight ﬁt is important in all differential designs. Inadequate carrier bearing preload allows the carrier to move when under load and this can cause the backlash to open up.

What’s the disassembly procedure for a differential case?

A. Differential Disassembly Procedure 1. Remove and discard ring gear screws. 2. Using a non-metallic hammer or brass drift punch, drive the ring gear loose from the differential case pilot and remove. See Fig. 2 3. Scribe an alignment mark across the flange outer diameter of both halves to ensure correct orientation at assembly.

What kind of differential does a GM suburban have?

It was used in the rear of 1964-and-later GM pickups, and in the rear of 1984-91 3/4-ton Suburbans. Rebuilt GM 14-BOLT Differential. Rear End. With a 10 1/2-inch-diameter ring gear, the biggest 14-bolt GM rearend looks much like a Dana 70, and is but a few thousandths of an inch shorter in ring gear diameter.

How big is a 14 bolt GMC differential?

Rebuilt 10.5″ Corporate 14 Bolt Differential is a heavy duty differential that is used by Chevrolet and GMC. This differential is of the full floating design and has a ring gear with a diameter of 10.5 inches (270 mm). This differential has 14 bolts holding on the differential cover. The ring gear is held on with 12 bolts.

How much does it cost to replace differential oil on a GMC Sierra?

Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM. GMC Sierra 1500 Differential/Gear Oil Replacement costs $126 on average. What is the Differential/Gear Oil all about? Differential oil is a type of oil. Cars have a gearbox connecting the two axles.

What should I do if my GMC differential is broken?

Vehicle repairs always come as a blow to your budget. One thing you can do to take some of the sting out of the final GMC repair bill is choosing to install a National Differential remanufactured differential rather than a brand-new part.

Can a GMC differential be remanufactured to factory specifications?

Every one of our remanufactured GMC differentials are thoroughly inspected and repaired to factory specifications. As the owner of an older GMC vehicle, you’ve likely discovered that the biggest hassle during repairs is finding the necessary parts. The next time your older vehicle needs some TLC, stop worrying that it’s time to replace it.