| Table 1: | Musty Smell |
| Table 2: | Coolant Smell |
| Table 3: | Refrigerant Oil Smell |
Problem | Action |
|---|---|
Water leaks in the body are present. | Seal the body. |
The evaporator drain is dirty or clogged. | Clean the evaporator drain. |
Mold or mildew is present in the evaporator¹. | Clean the evaporator. |
¹ A musty odor will develop under certain climate and operating conditions. The musty odor is caused by microbial growth in the evaporator core. This odor is usually temporary. As a climate conditions change, the musty odor will usually disappear. If the odor persists, clean the evaporator core using an appropriate cleaner. Refer to Odor Correction . | |
Problem | Action |
|---|---|
The heater core is leaking. | Replace the heater core. Refer to Heater Core Replacement . |
The heater core pipes or hoses are leaking. | Replace the heater pipes or hoses. Refer to the appropriate procedure: |
Problem | Action |
|---|---|
The evaporator is leaking. | Replace the evaporator core. Refer to Air Conditioning Evaporator Core Replacement . |
