A/C - Blower Motor Making Ticking Noise
88chevy19Number: 88-344-1B
Section: 1B
Date: SEPT., 1988
Subject: A/C BLOWER MOTOR "TICKING" NOISE
Model and Year: 1988 C/K
TO: ALL CHEVROLET DEALERS
A ticking noise due to blower motor vibration may be heard on some 1988 C/K trucks. The ticking noise is noticeable at all blower speeds. Should a customer comment about the noise, it may be eliminated by installing a new blower motor and new fan. The new blower motor has a ribbed base flange that reduces vibration and the new fan is specially designed for operation with the new motor.
PARTS INFORMATION
DESCRIPTION PARTS NUMBER
A/C Blower Motor 22029905
A/C Blower Fan 52451060
Parts are currently available from GMSPO.
NOTE: New style fan and motor must be changed together as the old style fan is incompatible with the new style motor, and likewise, the new style fan is incompatible with the old style motor.