C3 corvette rear differential rebuild. Vtech Corvette Service 2019-04-11

c3 corvette rear differential rebuild

Vtech Corvette Service

c3 corvette rear differential rebuild

This means that the Shark axleshafts multi-task, transmitting power and also aligning the rear wheels. If you are at the halfway point or further, move the installer to the high side and tap in that area until the race becomes level. Install the new bearing if you have been using a setup slip fit bearing. Written by Walt Thurn and Posted with Permission of CarTechBooks. Just be sure to dial them down after you are finished playing or your fillings might fall out.

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Corvette Differential

c3 corvette rear differential rebuild

Cautiously tap the side shims into the case to avoid damaging the cast-iron shims. Install the carrier, only this time add. Noise is a concern, but in some cases improperly set-up gear sets can destroy the gears quickly. Grease and pack the inner and outer bearings with wheel bearing grease. Install the new bolts in the remaining open holes, using Loctite on them. If so, move the larger pinion gear around until it seats on the plate. Currently Dutchman Motorsports has a 9-inch differential housing assembly with axle yokes similar to the Shark Corvette.

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1978 Chevrolet Corvette (C3)

c3 corvette rear differential rebuild

I always replace these critical springs and check the plates carefully for wear. Step 3: Prep for Differential Carrier Removal On this later Dana differential you can see two holes in a vertical pattern below the threaded cover retaining hole. No new differential ring gear carriers are available unless you find a new old stock piece lying around somewhere. Make sure you have the correct bolts. The shims will be installed later; do not put them in now. It is not necessary to return the same unit to your car. Use a file to radius the housing edges to remove any burrs or sharp edge.

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Vtech Corvette Service

c3 corvette rear differential rebuild

Upgrading or changing the gearbox can change the mounting height of the tailshaft yoke and therefore change the driveshaft angle; many new gearboxes are longer and therefore you need a shorter driveshaft. This procedure is the way I rebuild these differentials and is meant to be used as an educational tool for the corvette hobbyist. Once the old bearings have been removed, the replacements can stay in place during the shim selection process. In the 1980—1982 Shark differential, the major difference was the integral differential cover and support structure. They start the process by disassembling the old parts. This Mac Tools remover is ready to remove the inner pinion bearing.

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Differential Rebuild 1968 Corvette Restoration

c3 corvette rear differential rebuild

This reproduction carrier for Eaton differentials is available for a Shark. To reassemble the trailing arms, simply reverse the disassembly procedure discussed in Chapter 6. The weight and type of engine small- or big-block largely determines the spring rate of the particular car. If not, it takes a slide hammer attached to the yoke from the outside to slap it out. Step 18: Coax Ring Gear Carrier Side Bearing Shims into Place When lightly tapping in the ring gear carrier bearing preload and backlash adjustment shim, you have to be gentle: too much pressure and the original shims can shatter.

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Corvette Parts C3 1968 1982 Rear Differential Units And Related

c3 corvette rear differential rebuild

The rear shock absorbers are attached to the trailing arms at the bottom and to the frame at the top. Be sure the cotter key hole lines up. It is easy to have an outer plate become out of place, holding the gear away from the plate. The lower control arm has also received new ball joints and new bushings. I prefer urethane because it does have some isolating properties and eases some of the inherent vibrations in the drivetrain. Continue to check the fit of the plug in the hole and stop when you have ½ the tapered thread screwed in. There are several types of clutches.

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C3 Corvette: Upgrading the Driveline

c3 corvette rear differential rebuild

Step-4: Install Driveshaft Yoke Install the washer. Do not tighten the upper and lower control arm bushing bolts yet. Replacement shims are made of more malleable material and can be tapped into place without breaking. The tie rod screws into the sleeve and connects to the steering knuckle. Your completed front suspension should look like this unit, which is installed on a 1980 Corvette.

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C3 Corvette: Upgrading the Driveline

c3 corvette rear differential rebuild

Use a locking adhesive on the threads and torque each one to 60 ft-lbs. If they are shiny and the pattern is worn replace them. Step-5: Seat Driveshaft on Pinion Shaft Place a solid bar such as a damaged pin shown on the driveshaft yoke. This Tech Tip is From the Full Book,. With respect to the new Eaton carriers, part number 19670-010 they come loaded with fiber clutches.

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