Car Heater Repair for Garland drivers
When the first cold front comes through Garland, plenty of drivers find their heater only blows cold air. Low coolant, a stuck thermostat and failed blend doors are the usual causes. We diagnose and fix most of them at your Garland home or job.
Garland drivers mix highway runs on the George Bush Turnpike and LBJ with a lot of signal-to-signal driving on Broadway, Jupiter, Centerville and Shiloh. Busy retail lots like Firewheel Town Center see plenty of dead batteries and cars that suddenly won't restart.
Common heater problems
- Heater blows cold air even after the engine warms up
- Warm on the driver's side, cold on the passenger's side (or the reverse)
- Heat only works at certain fan speeds
- No air from the vents at all
- Clicking behind the dashboard when you change the temperature
- Foggy windows with a sweet smell (possible heater core leak)

What we do on a mobile car heater repair visit
Coolant & thermostat
Low coolant and thermostats stuck open are the top causes of cold heat. We check both first.
Blend door actuators
A failed actuator causes clicking and one-side-cold heat. Many are replaceable on site.
Blower motor & resistor
No air, or only one fan speed working, usually means the blower motor or its resistor. Both are common mobile fixes.
Heater core check
We check for a clogged or leaking heater core and tell you your options.
When a shop is the better choice
Heater core replacement on most vehicles means removing the dashboard, which is a shop job. We can confirm it's the core so you're not guessing.
What it costs in Garland
Diagnostic Visit: $150
A $50 non-refundable deposit to book and $100 when the diagnosis is complete. Best when you're not sure what's wrong.
Repair Visit: $50 + parts & labor
Booking and travel fee, plus parts and labor. Get an instant repair price from your VIN on our Get a Quote page.
Where we work in Garland
Areas: Firewheel, Downtown Garland, Duck Creek, Naaman Forest, Lake Ray Hubbard west shore, Centerville, South Garland, Shiloh Rd area
Roads we cover: President George Bush Turnpike, I-635 (LBJ Freeway), I-30, SH-66 / Lakeview Pkwy, Broadway Blvd, Centerville Rd, Jupiter Rd
Car Heater Repair in Garland: questions
Why is my car heater blowing cold air?
The most common causes are low coolant, a thermostat stuck open, a failed blend door actuator, or a clogged heater core. We test to find which.
Can you fix my car heater at home in Garland?
Most heater problems, yes: thermostats, actuators, blower motors, resistors and coolant leaks. We come to your home or work in Garland.
Is a cold heater a sign of a bigger problem?
It can be. Low coolant from a leak can lead to overheating, so a heater that suddenly goes cold is worth checking soon.
What does heater diagnosis cost?
The diagnostic visit is $150 total. If you already know the failed part, a repair visit is a $50 booking and travel fee plus parts and labor.
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