A/C - Blower Motor Click/Tick or Chirping Noise
Bulletin No.: 04-01-37-008Date: September 22, 2004
TECHNICAL
Subject:
ION Heater-Ventilation-Air Conditioning (HVAC) Blower Motor Click/Tick or Chirping Noise (Install Blower Motor Cup and Blower Motor Cover)
Models:
2003-2004 Saturn ION Vehicles Built Up To and Including VIN Breakpoint 4Z231132
Attention:
Technician
Condition
Some customers may comment on a faint click/tick or chirping noise from the HVAC blower motor in blower speed 1 or 2.
Cause
This condition may be caused by motor brush-to-commutator interface noise.
Correction
To eliminate the noise condition, install new design blower motor cup and new lower blower motor cover, using service ring from blower motor bracket kit. Service Procedure Verify customer concern.
^ If the concern cannot be duplicated, interview the customer for further details involving the concern. Refer to "Noise Diagnosis - Blower Motor" in the HVAC section 2003-2004 Saturn ION Service Manual for diagnostic assistance.
^ If concern can be duplicated, proceed to step 1 of "Blower Motor Removal" procedure in this bulletin.
Blower Motor Removal Procedure
1. Disconnect the blower motor electrical connector.
Note:
Cut through the case as straight as possible because the blower motor cup must be replaced. In order to prevent damage to the blower motor and/or lower case, do not cut any deeper than necessary to remove the motor cup.
2. Remove the blower motor and blower motor cup from the lower case by cutting through the case between the circular ribs around the motor with a sharp utility knife.
3. Remove the two blower motor nuts (3). Retain these nuts for installation of the new blower motor cup.
4. Using a flat-bladed screwdriver, release the blower motor retaining tab and remove the motor from the cup.
5. Using the new lower case, P/N 15226515, repeat step 2. (The blower motor cup from the new part will become the service repair part. Once the blower motor cup is cut out of the new lower case, the remainder of the case should be discarded.)
Installation Procedure
1. Install the blower motor (1) into the blower motor cup (2) that was cut out of the new lower case.
2. Install the two blower motor nuts (3).
Tighten
Tighten the nuts to 2.4 Nm (21 lb-in).
3. Attach the service ring (4) to the blower motor cup (2) with three screws (5) included in the blower motor bracket kit, P/N 52495750.
Tighten
Tighten the screws to 1.8 Nm (15 lb-in).
4. Install the blower motor and service ring into the HVAC module using three screws (5) included in the blower motor bracket kit, P/N 52495750. Make certain blower motor electrical connector is pointing rearward in the vehicle.
Tighten
Tighten the screws to 1.8 N.m (15 lb-in).
5. Install the new lower blower motor cover, P/N 15226511, taking care to align cover with alignment pin on motor housing
6. Install the two lower blower motor cover retaining screws, P/N 52466167.
Tighten
Tighten the screws to 1.8 Nm (15 lb-in).
7. Connect the blower motor electrical connector.
8. Verify repair.
Parts Information
Claim Information
To receive credit for this repair during the warranty coverage period, submit a claim through the Saturn Dealer System for D1320 (Motor and/or Fan, Blower, Heater - R&R or Replace), or D1322 (Motor and/or fan, Blower, A/C - R&R or Replace).
An Add condition will be available for the additional time required to cut new blower motor from new lower cover assembly.
Disclaimer