audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

All Other Service Bulletins for Front Final Drive Fluid:|408702|Page 2670 > < All Technical Service Bulletins:|009307|Page 2667
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Wheel Bearing: All Technical Service Bulletins
Front Axle - Cracking Noises

Number:

Group:

87-02

40

July 27, 1987

Suspension - Wheels
Applies To:

5000 1984-1986 4000 - 4000 QUATTRO 1982-1986

Subject:

Front Axle - Cracking Noises

Cause:

Wheel bearing noise. Loud metallic crack when changing direction or when driving off with steering wheel turned (axial load).

Production Change:

Bearing/housing interference increased (Audi 4000 only).

As of:

July 1985   VIN: 8_G_008509

Larger wheel bearings (82 mm instead of 75 mm outside diameter) with greater interference.

As of:

October 1985 VIN: 44_G_031000 85_GA900359

Service Solution:

In case of persistent complaints, install tapered roller bearing.

P/N 321 498 625D - Audi 4000 P/N 443 498 625 - Audi 5000 with 75 mm outside diameter

NOTE:

DO NOT coat bearing seat with Molycote.

All Other Service Bulletins for Front Final Drive Fluid:|408702|Page 2670 > < All Technical Service Bulletins:|009307|Page 2667