Mobile Diesel USA

A/C & Cooling Systems.

Air conditioning and cooling system repair for diesel trucks — dispatched to your location. Stay comfortable and stay running.

Why Mobile Diesel USA?

Overheating shuts down engines. We prevent that.

A failing cooling system doesn't just make you uncomfortable — it can kill an engine. From radiator leaks to A/C compressor failures, our mobile mechanics diagnose and repair cooling and climate systems on-site, preventing costly overheats and keeping drivers comfortable.

  • Engine cooling system repair
  • Cab A/C diagnostics and recharge
  • Radiator and charge air cooler service
  • Water pump and thermostat replacement

What We Cover

A/C & Cooling Systems services.

Our mobile mechanics carry the tools, parts, and expertise to handle these repairs at your location.

A/C Diagnostics & Recharge

Refrigerant recovery, leak testing, compressor diagnostics, and full A/C system recharge to restore cold air to the cab.

Compressor & Clutch Service

A/C compressor replacement, clutch repair, and drive belt service for all major cab climate systems.

Radiator Service

Radiator leak repair, hose replacement, fan clutch service, and coolant flush to prevent engine overheating.

Water Pump Replacement

Water pump diagnosis and replacement including thermostat, gaskets, and coolant refill for proper engine cooling.

Charge Air Cooler (CAC)

Intercooler/charge air cooler leak testing, boot replacement, and piping repair to maintain turbo boost and engine performance.

Heater & Defroster

Heater core service, blend door repair, defroster troubleshooting, and bunk heater service for cold-weather comfort.

The Process

How it works.

1
Step 1

Describe the Problem

Tell us what's happening — overheating, no A/C, coolant leak, or temperature warning. Include your truck make and model.

2
Step 2

Mechanic Dispatched

We send a cooling/A/C specialist with recovery equipment, refrigerant, and common cooling system parts.

3
Step 3

Diagnose & Quote

Your mechanic pressure tests the system, identifies the failure, and quotes the repair before starting work.

4
Step 4

Cool & Running

System is repaired, filled, and temperature-tested to verify proper operation before you roll out.

FAQ

Common questions

Yes. Our mechanics carry portable A/C recovery and recharge equipment. We can evacuate, leak test, and recharge your cab A/C system at your location.

Yes — continued driving while overheating can cause catastrophic engine damage. Pull over safely, shut down the engine, and request service immediately. We treat overheating calls as high-priority dispatches.

Yes. We service both the main cab A/C system (belt-driven compressor) and auxiliary sleeper/bunk A/C units including electric APU-style systems.

In most cases, yes. Radiator replacement can be completed in the field for most truck platforms. For trucks with extremely tight engine compartments, some disassembly may add time but is typically still doable on-site.

Testimonials

What Our Network Says

“Blew a turbo hose on I-20 outside Dallas at 11 PM. Had a mechanic on-site in 25 minutes. Back rolling in under two hours. This service is a game-changer for owner-operators.”

Marcus Johnson

Dallas, TX

Truck Driver
“Had a DPF regen issue on I-40 near Memphis. The mechanic diagnosed it on-site and had me back on the road without a tow. Saved me at least $800 in towing fees alone.”

Derek Washington

Memphis, TN

Truck Driver
“My Cascadia threw a check engine light on I-10 in 115-degree heat. Within 30 minutes a mechanic was running diagnostics. Professional, fast, and fair on price.”

James Cooper

Phoenix, AZ

Truck Driver

Need This Service?

Get a mechanic dispatched.

Tell us what's wrong and where you are. We'll match you with a nearby diesel mechanic who specializes in this service.

Request Service

Diesel Mechanic?

Join our network.

If you specialize in mobile diesel repair, we want you in our network. Apply today and start getting dispatched to jobs.

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Call (602) 456-9071