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Audi Early Small Chassis, VW B2 Passat/Quantum Syncro Driveshaft Center Support Bearing Carrier Upgrade (B3001A0)

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B3001A0

Audi Early Small Chassis, VW B2 Passat/Quantum Syncro Driveshaft Center Support Bearing Carrier Upgrade (B3001A0)

Please add model type, build year, gearbox type and RWD or AWD to the order comment

THE PROBLEM

The stock center support bearing carrier holds the driveshaft in place with rubber so thin about 20 lbs of force moves it from center to the end of its travel. While that???s great for making sure no NVH makes it to the cabin, the stock bushing is extremely prone to failure, especially in harsher climates and on higher-powered cars. Even on the best-kept cars, the stock rubber bushing sags, dry rots, and cracks by the time it???s 10-15 years old. When the bushing lets go, it leads to excessive vibrations and clunking which can damage the transmission and rear diff. To make matters worse, the stock carrier is molded onto the center support bearing, leading to costly driveshaft replacement.

THE SOLUTION

This upgraded unit keeps the driveshaft firmly in place at all times, and its polyurethane construction ensures it will never wear out. The thick bushings ensure the driveshaft cannot move from center, maintaining driveshaft alignment at all times.

THE BUSHINGS

???Two options are available for the bushings, both of which are many times stiffer than the stock bushings. We???ve paid close attention to the NVH levels associated with this upgrade. We???ve engineered custom isolator bushings that separate the carrier from the body of the vehicle and mounting bolts to substantially reduce NVH levels.

The street bushings absorb most of the NVH from the drivetrain. Expect some light NVH at some speeds in the form of a soft hum. With a modified exhaust or windows down you???ll probably never hear it. Most NVH is heard between 20-40 mph. At highway speeds it fades away.

The track bushings are for those who want no-compromise drivetrain performance. These may create a substantial amount of cabin noise throughout the low range, again fading at higher speeds, but not entirely. Not sure which is for you? Try them both, they???re interchangeable!

INSTALLATION

Installation doesn???t require removal of the driveshaft. The 2-part design clamps around the OEM bearing. The old carrier must be removed, so a cutting tool is required.

The video below is from the B5, but the Small Chassis follows the same order of operations. Gain access to the driveshaft (lower exhaust, tunnel braces, heat shields), cut away OEM carrier, trim rubber around bearing, install new carrier (do not reuse the spacers between OEM carrier and body), and put it all back together.

FITMENT

Audi 80/90/S2/RS2/Coupe Quattro/4000

VW B2 Passat Syncro/Quantum Syncro

Part Numbers

Full Assemblies

Street - B3001A0-S

Track - B3001A0-T

Both - B3001A0-B

Bushing Packs

Street - BSH04A0

Track - BSH04A1

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