GM Parts Club
Most heating and air conditioning problems announce themselves well before they strand anybody. On a 2019-2025 Blazer, these are the ones worth acting on.
1. A clicking or ticking behind the dash when you change temperature
It rarely gets better on its own, and it usually gets louder before it gets expensive. Start by looking at cabin air filters.
2. A musty smell for the first thirty seconds after startup
This is the symptom people put off longest and regret most. Start by looking at blower motors.
3. Air that only blows on the highest fan setting
This one is usually early, which is good news, because it is cheap to fix early. Start by looking at blower motor resistors.
4. Vents that will not switch from defrost to floor
This is the symptom people put off longest and regret most. Start by looking at cabin air filters.
What to Do Next
Cabin air filter every 12,000 to 15,000 miles, or annually. In North Texas with construction dust and cedar season, annually is the honest number.
Rear climate content, heated and cooled seats, and tri-zone systems all change the parts list.
If you are not sure which version fits your build, send us the VIN and we will confirm before anything ships. Shop our Chevrolet OEM parts catalog or search for Blazer cabin air filters.
Where to Buy
- Genuine Chevrolet OEM parts
- Cabin Air Filters
- Blower Motors
- Blower Motor Resistors
- A/C Compressors
- Wholesale account setup
Comments
Loading…