90S, CS V6-2.8L (AAH) (1994)
Catalytic Converter: All Technical Service Bulletins
Campaign - Driver Side Catalytic Converter Change
Revised
Code: KL
April 1998
Subject:
1993/94 Model Audi 90 Vehicles
Replacement Driver Side Catalytic Converter
Dear Audi Dealer:
This is to inform you of the initiation of a service action involving 1993 and 1994 model front-wheel-drive Audi 90 vehicles equipped with an automatic
transmission.
Description of Condition
Audi has found that the container holding the left side catalyst of affected vehicles may have been manufactured with variances in tolerance which could
allow the substrate to come loose. Loose substrates tend to generate a loud "rattling" noise which may be audible inside the vehicle.
Vehicle Identification Number Ranges
WAU*_ _8C _P_000001 - WAU* _ _8C _P_184491
* B or D in the 4th position
Please note that the above VINs represent the lowest and highest serial numbers of affected vehicles. Use of the V-Crest campaign inquiry system will
allow you to determine whether or not a particular vehicle, within the above VIN range, may require the corrective work.
Note:
Audi of America, Inc. will not reimburse under this action any duplicate repair work or repair outside the VIN range.
Remedy
Replace, free of charge, any driver side catalytic converter which is reported by the owner and verified by you as "rattling".
Owner Information
Audi of America, Inc. notified, via first class mail, all known owners of affected vehicles located in the state of California in November, 1997. We will
notify, via first class mail, all known owners of affected vehicles located in the remaining 49 states on or about April 27, 1998. A copy of the letter is
included with this circular.
Important:
Please Provide A Copy To All Personnel With Recall-Related Responsibilities!
Parts Information
The part number for the replacement catalyst is 8A0 253 057BX. Additional parts required for the replacement of a catalyst are:
Quantity
Description
Part Number
1
Seal
8A0 253 137
3
Nut
N 902 002 01
3
Nut
N 905 872 01
1
Nut
N 902 264 03
Please ensure that at least one replacement catalyst is in your parts inventory so that this service, if necessary, can be performed without delay.
Work Procedure
Verification of owner complaint of rattling" within the Exhaust System:
^
Check V-Crest system if vehicle is affected by this service action code KL
^
Road test vehicle - preferably with the customer - to determine the source and type of noise