Cooling System - Overheating (Front Air Deflector)
88pontiac19Bulletin Number: 88-6-74
Reference Number: 731023R
Publish Date: 9/88
Subject: FRONT AIR DEFLECTOR/ENGINE OVERHEAT (NEW AIR DEFLECTOR)
Models
Affected: 1985-88 FIREBIRD TRANS AM/GTA
"This bulletin supersedes Bulletin 87-6(Gasoline)-49. Date 7/1/87. This bulletin has been revised due to a new air deflector part number and to add the 1988 model year."
Effective start of production, 1989 the lower air deflector will consist of three pieces rather than one in regular production. For service on the subject vehicles the service deflector will likewise consist of three pieces rather than one.
For service, install the revised deflector per instructions provided in the service kit. The part number for the service kit is 12395557.
Parts are currently available from GMSPO.
Warranty Information
Remove deflectors, install new deflectors:
Labor Operation: B0485
Labor Time : .3 Hours