Regal V6-231 3.8L VIN L SFI (1990)
Air Duct: Customer Interest
Heater - Slow to Warm Up or Inadequate Heat
Bulletin 90-1-3
Date Feb. '90
Ref. No. 90-071-1
Corp. Ref. No. 931106R
SUBJECT:
REDUCED HEATER SYSTEM PERFORMANCE (NEW HEATER OUTLET DUCT AND PROCEDURE)
MODELS AFFECTED: 1988 - 1990 REGAL
THIS BULLETIN HAS BEEN REVISED TO INCLUDE THE 1990 MODEL YEAR.
Comments on the above vehicles about heater system performance such as being slow to warm up or inadequate heat may be received from some
customers.
If the heater system is operating properly and the engine temperature is in the operating range, the cause of the condition may be reduced air/heat
distribution from the heater outlet.
This condition may now be addressed by using the following service parts and procedures.
PARTS
QUANTITY
PART NUMBER
PART NAME
1
52452131
Heater Outlet Duct
26 in.
*06375
3M # 4508 Scotchfoam Black Vinyl Foam Tape
*
Purchase Locally
Parts are currently available from GMSPO.
Figure 1
