PROM & EGR Valve - Engine Surge
90pont14Bulletin Number: 89-6-71B
Reference Number: 936525R
Publish Date: 6/90
Subject: ENGINE SURGE (NEW EGR VALVE AND PROM)
Models
Affected: 1989 GRAND AM W/2.5L ENGINE
This bulletin has been revised to change the scanner I.D. number for the automatic transmission. This bulletin cancels and replaces 89-6-71A issued 5/90.
Some owners of 1989 Grand Am models may comment of a highway engine surge condition. This condition may be repaired with the installation of a new EGR Valve Package, P/N 17112238 (which contains EGR valve, P/N 17090078 and a gasket). A new calibration PROM must be installed with the EGR valve package as a set. The new Calibration PROM is identified as follows:
PROM Package Broadcast Scanner
Transmission Part Number Code I.D.
Automatic 16152997 AUTF 3001
Manual 16142106 ASLD 0161
Parts are currently available from GMSPO.
WARRANTY INFORMATION:
Labor Operation Number: T1531
Labor Time : 0.5 Hour
Trouble Code : 92