GM Service Manual Online
For 1990-2009 cars only

DISCOLORATION OR STAINING OF PLENUM (COWL) AIR INLET SCREEN

SUBJECT: DISCOLORATION OR STAINING OF PLENUM (COWL) AIR INLET SCREEN/GRILLE/PANEL (REPLACE AIR INLET SCREEN)

MODELS: 1997-98 CHEVROLET CORVETTE

CONDITION:

SOME CUSTOMERS MAY COMMENT THAT THERE ARE WHITISH SPOTS OR STAINS ON THE PLENUM AIR INLET SCREEN AT THE BASE OF THE WINDSHIELD. THESE SPOTS OR STAINS ARE USUALLY FOUND IN THE AREAS AROUND AND BELOW THE WINDSHIELD WIPER ARMS AND BLADES.

CAUSE:

THIS CONDITION MAY BE CAUSED BY A CHEMICAL RESIDUE USED IN THE MANUFACTURING PROCESS OF THE WINDSHIELD WIPER WASHER NOZZLES. RESIDUE IS WASHED OUT FROM INSIDE THE NOZZLES DURING THE FIRST FEW USAGES OF THE WINDSHIELD WIPER WASHERS.

CORRECTION:

INSTALL NEW AIR INLET SCREEN (P/N 10418245), USING THE PROCEDURES IN THE APPROPRIATE SERVICE MANUAL.

PARTS INFORMATION:

P/N DESCRIPTION ================== ===================================

10418245 SCREEN - AIR INLET

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION LABOR OPERATION NUMBER DESCRIPTION TIME ================= =============================== ================

D1353 PANEL, COWL VENT GRILLE 0.4 HR COMPLETE - REPLACE

FIGURES: 01 ATTACHMENTS: 00

FIGURE 1 1. PLENUM (COWL) AIR INLET SCREEN/GRILLE/PANEL


Object Number: 336782  Size: MF

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.

COPYRIGHT 1998 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.