Car AC Musty Smell
A musty or damp smell from the car AC especially on first start. Smells like humid or closed spaces.
Possible Causes
Mold Growth on Evaporator
High likelihoodResidual moisture on the evaporator after AC shutdown allows mold growth.
Clogged Condensate Drain
Medium likelihoodA clogged condensate drain tube causes water to pool, promoting mold growth.
How to Diagnose?
- 1 Check condensate drain under the car
- 2 Clean drain tube if clogged
- 3 Replace cabin filter
- 4 Request evaporator cleaning and sanitization
Repair Cost
Depends on cause and vehicle type
| Service | Price | Notes |
|---|---|---|
| Estimated Repair Cost | 50–250SAR | Depends on cause and vehicle type |
* Prices are estimates and may vary depending on vehicle type and condition. Contact us for an accurate quote.
Frequently Asked Questions
How do I prevent musty AC smell?
Turn off AC 5 minutes before arriving and run the fan only to dry the evaporator. Also replace the cabin filter regularly.
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The evaporator is located inside the dashboard and is responsible for cooling the air entering the cabin. It absorbs heat from interior air and delivers cold air.
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The cabin air filter purifies outside air before it enters the AC system and cabin. It captures dust, dirt, pollen, and pollutants.
Read moreReady to Fix Your Car AC?
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