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AERO-WING SPOILER (D-81) NEW- PART/REVISED PAINT PROCEDURE

THIS BULLETIN HAS BEEN REVISED TO CHANGE THE SOURCE NAME AND TELEPHONE NUMBER FOR THE RECOMMENDED MATERIAL.

1989 PONTIAC F-CARS (BEGINNING WITH VIN KL211199) THAT INCLUDE D-81 OPTION "AERO-WING" SPOILER HAVE A NEW PAINT PROCESS USED ON THAT SPECIFIC SPOILER. THE PROCESS USED IS A TWO PART PRIME, BASE AND CLEAR COAT SYSTEM.

THE NEW SPOILER, GM P/N 12397143 IS AVAILABLE THROUGH GMSPO AND WILL COME PRE-PRIMED.

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

THE MATERIAL RECOMMENDED IS FROM AKZ0 COATINGS INC. AT-331 BASE COAT / AT361 CLEAR COAT.

CONTACT: CUSTOMER SERVICE DEPT. AKZO COATINGS INC. P.O. 7062 TROY, MI. 48007-7062 313-637-0400

COLOR WA # ______________ _______________

MOLY BLUE WA 9537 FLAME RED WA 8748 GUN METAL WA 9536 WHITE WA 8554 BLACK WA 8555 RED WA 8774 BRIGHT BLUE WA 9591

"WE BELIEVE THIS SOURCE AND THEIR EQUIPMENT TO BE RELIABLE. THERE MA BE ADDITIONAL MANUFACTURERS OF SUCH EQUIPMENT. GENERAL MOTORS DOES NOT ENDORSE, INDICATE ANY PREFERENCE FOR OR ASSUME ANY RESPONSIBILIT FOR THE PRODUCTS OR EQUIPMENT FROM THESE FIRMS OR FOR ANY SUCH ITEMS WHICH MAY BE AVAILABLE FROM OTHER SOURCES."

REPAIR PROCEDURE FOR AT-331/AT-361 FLEXIBLE BASECOAT/CLEARCOAT

PRIMER SURFACE PREPARATION: _____________________________

SAND PRIMER SURFACE USING 400 GRIT OR FINER SANDPAPER.

REMOVE SANDING DUST BY WIPING WITH SOLVENT (TOLUENE OR EQUIVALENT).

BASECOATS:

_____________

AGITATE AT-331 BASECOAT FOR 1-2 MINUTES ON PAINT SHAKER.

ACTIVATE BASECOAT WITH URETHANE HARDENER AS FOLLOWS:

METALLIC COLORS: MIX 10 PARTS BASECOAT WITH 1 PART 10AHU-41421 URETHANE HARDENER; STIR THOROUGHLY. REDUCE TO SPRA VISCOSITY WITH 2-3 PARTS 10 AHK-43286 SOLVENT BLEND IF AMBIENT TEMPERATURE IS 70-85 DEGREES FAHRENHEIT OR, 2-3 PARTS 10 AHK-42550 SOLVENT BLEND IF AMBIENT TEMPERATURE IS 80-95 DEGREES FAHRENHEIT.

SOLID COLORS: MIX 4 PARTS BASECOAT WITH 1 PART 10AHU-41421 URETHANE HARDENER; STIR THOROUGHLY. REDUCE TO SPRA VISCOSITY WITH 1-2 PARTS 10AHK-43286 SOLVENT BLEND IF AMBIENT TEMPERATURE IS 70-85 DEGREES FAHRENHEIT OR, 1-2 PARTS 10AHK-42550 SOLVENT BLEND IF AMBIENT TEMPERATURE IS 80-95 DEGREES FAHRENHEIT.

BASECOAT POT-LIFE IS 4 HOURS.

APPLY BASECOAT USING 60-70 PSI ATOMIZING AIR IN TWO COATS ALLOWING 1- MINUTES FLASH-OFF BETWEEN COATS. ALLOW BASECOAT TO FLASH FOR 3-5 MINUTES BEFORE APPLYING CLEARCOAT.

CLEARCOATS:

______________

STIR AT-361 CLEARCOAT FOR 1-2 MINUTES.

ACTIVATE CLEARCOAT WITH URETHANE HARDENER AS FOLLOWS:

MIX 5 PARTS CLEARCOAT WITH 1 PART 10BHU-41421 URETHAN HARDENER; STIR THOROUGHLY. REDUCE TO SPRAY VISCOSITY WITH 1-2 PARTS 10AHK-43286 SOLVENT BLEND IF AMBIENT TEMPERATURE IS 70-85 DEGREES FAHRENHEIT OR, 1-2 PARTS 10AHK-42550 SOLVENT BLEND IF AMBIENT TEMPERATURE IS 80-95 DEGREES FAHRENHEIT.

CLEARCOAT POT-LIFE IS 4 HOURS.

APPLY CLEARCOAT USING 60-70 PSI ATOMIZING AIR IN 2-3 COATS ALLOWING 1-3 MINUTES FLASH-OFF BETWEEN COATS. ALLOW 10-15 MINUTES FLASH BEFORE FORCE DRYING.

FORCE DRY: 60 MINUTES @ 140 DEGREES FAHRENHEIT ___________

CLEANUP: CLEAN SPRAY GUNS AND EQUIPMENT IMMEDIATEDLY WITH SOLVEN __________ (XYLENE, TOLUENE OR EQUIVALENT).

USE APPLICABLE LABOR OPERATION AND TIME.

PROCEDURES FOR CANADIAN VEHICLES

THE MATERIAL RECOMMENDED IS AVAILABLE THROUGH B.A.S.F. COATINGS AND AND INKS CANADA LTD., SUPPLIED PAINT SUPPLIERS.

REPAIR PROCEDURE FOR R-M OR GLASURIT FLEXIBLE BASECOAT/CLEARCOAT:

REFINISH PROCEDURES FOR PONTIAC F-CAR "AERO-WING" SPOILER

PRODUCTS R-M GLASURIT

SOLVENT CLEANER 900 PRE-KLEANO 541-5 884 PRIME WIPE 884 PRIME WIPE

POLYESTER PUTTY PS1001 839-10

BASE COAT DIA-MONT GLASSOMAX 54-LINE

CLEAR COAT D7600 GLASSODUR 923-85

PLASTICIZER 521-111

PREPARATION:

PREWASH SPOILER WITH R-M 900/GLASURIT 541-5 TO REMOVE SHIPPING CONTAMINANTS (FINGER PRINTS, ETC.).

FILL MINOR PINHOLES WITH R-M PS1001/GLASURIT 839-10.

SAND PRIMER AND ANY MINOR PUTTY WORK WITH 400 GRIT OR FINER SANDPAPER

REMOVE SANDING DUST WITH R-M 884 PRIME WIPE.

TOPCOATING:

DIA-MONT BASE COAT REDUCED @ 80% WITH BC 050. APPLY 3-4 COATS (DEPENDENT ON COLOUR) @ 30-40 PSI. ALLOW BASE COAT TO FLASH "MATT" BETWEEN COATS AND PRIOR TO CLEAR COAT APPLICATION.

D7600 URETHANE CLEAR MIXED @ 4:1 WITH DH7600, REDUCE UP TO 20% WITH BC 060. APPLY 2 COATS @ 30-40 PSI.

GLASSOMAX 54-LINE BASE COAT REDUCED 25% (4:1) WITH 352 SERIES REDUCER. APPLY 2-3 COATS (DEPENDENT ON COLOUR) @ 30-40% PSI. ALLOW BASE COAT TO FLASH "MATT" BETWEEN COATS AND PRIOR TO CLEAR COAT APPLICATION.

GLASSODUR URETHANE CLEAR 923-85 - IS MIXED AT 2:1 WITH 929 SERIES HARDENER AND PLASTICIZED 10% WITH 521-11 AND REDUCED 20% WITH 352 SERIES REDUCER. USE GREEN SCALE MIXING STICK (2:1 + 10% + 20%).

APPLY 2 COATS @ 30-40 PSI.

USE MOST APPLICABLE LABOUR OPERATION AND TIME FROM THE CANADIAN LABOUR TIME GUIDE. *DISCLAIMER*

COPYRIGHT 1989 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.

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.