Riviera V6-231 3.8L VIN C SFI (1989)
Driver/Vehicle Information Display: Technical Service Bulletins
Instruments - CRT Controller Replacement Addendum
Bulletin 89-8-9
Date Mar., '89
Ref. No. 89-065-8
Corp. Ref. No. 818310
SUBJECT:
CRT CONTROLLER REPLACEMENT - CHECKING HEATER DUCT AIR FLOW
MODELS AFFECTED: 1989 RIVIERAS AND REATTAS
When replacing a CRT controller, check the heater floor duct below the dash for an outlet pointed into the console. Some 1989 Rivieras may have been
built with the incorrect heater ducts. These ducts have an outlet that points into the console and can blow onto the CRT controller. If an improper heater
duct is found, replace the heater duct with Part Number 1631704, which is currently available from GMSPO.
WARRANTY INFORMATION
Labor Operation Number:
D1517 (if the heater floor duct is replaced)
Labor Time:
.2 Hours
Trouble Code:
92
