Engine - Excessive Cranking Time, Rough Idle

90audi05
Subject: Excessive Cranking Time/Rough Idle After Initial Starting

Model(s): All Models vith CIS, CIS-E and CIS-E III Fuel Systems
Group: 25

Number: 90-05

Date: 09/30/90
Condition:

Hard or distorted injector O-rings resulting in vacuum leaks.


Production:

Introduction of Viton Seals

Turbo Models
As of: November 1988
VIN: 44_KN038262

Non Turbo Models:
As of: April 1989
VIN: (Gradual Introduction)


Service:

Replace injector O-rings with new VITON version. (Green in color).

Old P/N: 063 133 557 New P/N: 034 133 557E


Note:

Always check with your parts department for verification of part numbers.