S15/T15 Sonoma P/U 2WD V6-4.3L VIN W (1996)
Blower Motor Diagnosis Procedure (2 Of 2)
BLOWER NOISE
A constant air rush noise is typical of all heater systems when operating on "HI" blower. Some systems and modes may be louder than others. If possible,
check a similar vehicle to determine whether the noise is typical or excessive. For diagnosis of excessive blower noise, refer to accompanying figures.
