Engine - Miss/Noise from Rear of Vehicle

87audi02

Number: Group:

87-02 20
July 31, 1987


Fuel System
Applies To: 5000S - 5000T - 5000 QUATTRO 1984-1986


Subject: Engine Miss/Noise - Rear of Vehicle (Fuel Tank)
Cause:

After extended highway driving with high ambient temperature (above 85~F).

Reduced fuel delivery by pump due to poor fuel quality (high alcohol content - vapor blocking).

Production Change:

Improved fuel pump. Increased delivery rate.

As of: January 1986 VIN: 44_G_082803



Service Solution:

Install fuel pump, P/N 447 906 091A, and damper, P/N 447 906 095.

Install washers according to illustration.

A - 2 washers P/N N 013 812.2
B - 1 washer P/N N 902 832.01