Odor From HVAC System With Temperature Control Set On High Heat And Engine At Operating Temperature (PI0935E)
WARNING: This page is about the Cruze Eco, Automatic Trans, which is a different variant/trim than selected.
Publication date: 2016-03-01Reference number: PI0935E
Supersedes refnos: 16-NA-068, PI0935C, PI0935D
ODOR FROM HVAC SYSTEM WITH TEMPERATURE CONTROL SET ON HIGH HEAT AND ENGINE AT OPERATING TEMPERATURE
TECHNICAL SERVICE BULLETIN
Reference Number(s): 16-NA-068, Date of Issue:
Mar 1, 2016
| Attention: | This Bulletin also applies to any of the models that may be Israel Export vehicles. |
| Supercedes: | This Bulletin replaces PI0935E. Please discard PI0935E. |
SERVICE INFORMATION
| Brand: | Model: | Model Year: | VIN: | Engine: | Transmission: | ||
|---|---|---|---|---|---|---|---|
| from | to | from | to | ||||
| Chevrolet | Cruze | 2011 | 2013 | ||||
| Malibu | 2013 | 2014 | |||||
| Condition | Some customers may comment on an odor from the HVAC system when the engine is at operating temperature and the instrument panel temperature control set on the full heat setting. |
| Cause | This condition may be caused by the grease used to lubricate the components inside the heater and air-conditioning evaporator case. |
CORRECTION
Bring the vehicle up to operating temperature and verify the condition by closing the vehicle doors, idling the car and selecting full heat.
- You may wish to let vehicle idle for several minutes with heat on high, open the driver door and verify the concern.
- Follow the latest version of PI0740 and Odor Diagnosis in SI to ensure that the odor is not coolant, as described in SI.
SERVICE PROCEDURE
TIP: Using a digital camera, photograph the routing of the instrument panel wiring harness before removal. This will aid in the re-assembly process.
- With the condition verified, replace the heater and air conditioning evaporator case. Refer to Heater and Air Conditioning Evaporator Case Replacement in SI.
- With the heater core removed from the case, inspect for contamination from the assembly grease. Clean as necessary.
- Transfer the following items from the old assembly:
- Floor air outlet cover
- Temp valve actuator/screws
- Mode valve actuator/gear/screws
- Temp sensor(s), if equipped
- Wiring harness
PARTS INFORMATION
| Description | Part Number | Qty |
|---|---|---|
| Heater and Air Conditioning Evaporator Case Assembly | 23172714 | 1 |
| Heater and Air Conditioning Evaporator Case Gasket Kit (Cruze With RPO C67 or C68) | 13406309 | 1 |
| Heater and Air Conditioning Evaporator Case Gasket Kit (Cruze With RPO C42) | 13406315 | 1 |
| Heater and Air Conditioning Evaporator Case Gasket Kit (Malibu) | 13332716 | 1 |
| Steering Column Nut | 11514519 | 4 |
| Tether Clip | 11611451 | 2 |
WARRANTY INFORMATION
For vehicles repaired under warranty, use:
| Labor Operation | Description | Labor Time |
|---|---|---|
| 4412460 (Cruze Only) | Heater and Air Conditioning Evaporator Case Replacement | Use Published Labor Operation Time |
| 4412370 (Malibu Only) | Heater and Air Conditioning Evaporator Module Replacement |
| Version | 1 |
| Modified |