A/C - Inadequate Windshield Defroster

91buick06

Bulletin: 92-1-2

Date: June '91

Ref. No.: 92-008-1

Corp. Ref. No.: 131207


SUBJECT: INADEQUATE WINDSHIELD DEFROSTER PERFORMANCE (INSTALL REVISED GRILLE)

MODELS AFFECTED: 1991-92 ROADMASTERS


CONDITION:

Inadequate windshield defroster performance.

CAUSE:

Inadequate air flow to the base of the windshield.

CORRECTION:

Install revised defroster grille.

INFORMATION AND PART NUMBERS:

The revised defroster grille went into production in vehicles built on or after May 6, 1991. However, some vehicles built before this date may have the revised defroster grille. The revised grille may be identified by the vertical vanes measuring 12 mm (15/32") in height versus 5 mm (9/32") on the older grille.

The build date is located on a label on the rear of the left hand door.

The following is a list of the revised Defroster Grille Assembly part numbers by usage and color.

EQUIPPED WITH C60

Part Number Color

17990142 Camel
17990143 Red Maple
17990144 Sapphire
17990379 Gray