90 Quattro 20V L5-2309cc 2.3L DOHC (7A) (1990)
Front Door Panel: All Technical Service Bulletins
Interior - Door Panel Speaker Grille Replacement
Group:
91
Number:
91-04
Date:
January 31, 1991
Subject:
Door Panel Speaker Grille, Replacing
Model(s):
All Equipped with Delta Bose System
(Supercedes 90-02, dated 10/31/90)
Door panel speaker grille, replacing
^
remove door trim panel
WARNING
DO NOT Inhale fumes produced from unwelding (melting) of speaker grille retalning pins. Ensure adequate ventilation.
^
carefully unweld speaker grille retaining pins (arrows) with soldering gun
^
remove damaged speaker grille (arrow)
^
install strip of thin foam backed tape along edge of replacement speaker grille to prevent raftling
^
install new speaker grille
^
melt retainer pins to door panel with soldering gun
^ reinstall door trim panel
^ check speaker for proper function
Door panel
speaker