SL L4-1.9L DOHC VIN 7 (1992)
Radiator Cooling Fan Motor: All Technical Service Bulletins
A/C - Whine or Hum When Blower Motor Turned On
BULLETIN NO.: 93-T-12
ISSUE DATE: March, 1993
GROUP/SEQ.NO.: HVAC-02
CORPORATION NO.: 381101
SUBJECT:
Whine or Hum Coming from HVAC Blower Motor and Fan Assembly (Install Fan Motor Cover)
MODELS AFFECTED:
All 1991-92 Saturns built before, and including VIN NZ191713.
CONDITION:
Some owners may hear a whine or hum from the HVAC blower motor when it is turned on.
NOTE:
If a grinding or clicking noise is heard, refer to Technical Information Bulletin 92-T-41 (281202) - Water or Debris Intrusion into Blower Motor.
CAUSE:
The whining or humming noise is caused by the commutator in the blower motor and fan assembly.
CORRECTIVE ACTION:
Install new fan motor cover P/N 21030787.
PROCEDURES
1.
Disconnect blower motor and fan assembly electrical connector.
