A Healthy Cooling System & Air System Keeps Your Truck Running Smoothly

An overheating engine or air brake system failure can lead to expensive downtime and unsafe driving conditions. O & O provides on-site cooling and air system maintenance, ensuring your Isuzu, Mitsubishi Fuso, Hino, UD (Nissan Diesel), and GMC trucks stay safe and reliable.

Isuzu logoMitsubishi Fuso logoUD Trucks logoHino Motors logoGMC logoGMC logo

Cooling & Air Failures Can Lead to Major Breakdowns

Ignoring these systems can cause:

  • Overheating that ruins your engine

  • Brake air pressure loss that leaves your truck unsafe

  • Expensive towing and roadside breakdowns

Prevent these problems with regular maintenance.

On-Site Cooling System & Air System Inspections & Repairs

Cooling & Air System Repair Services

Radiator Inspections & Minor Repairs

We inspect for leaks, pressure loss, and coolant condition to prevent overheating.

Cooling System Flush & Refill

We perform coolant flushes to remove deposits and restore engine cooling performance.

Air Dryer & Governor Replacements

Your air brake system relies on these components.

We replace:

  • Malfunctioning dryers
  • Faulty governors causing pressure issues

Minor Air & Leak Repairs

We fix hose, fitting, and valve leaks to ensure brake system reliability.

Trusted by fleet owners & independent operators across South Florida

O & O has helped businesses across Miami-Dade, Broward, and Palm Beach reduce downtime, save money, and keep their trucks running smoothly.

What fleet owners are saying

The most reliable and honest experience I've ever had with a mechanic. Oscar is amazing at his craft and a pleasure to work with.

Mateo Cardona

Cooling Power Corp has started working with O&O now and could not be happier with there service, customer support and professionalism.

Marcelo Gonzalez

O & O always takes great care of our trucks! Excellent service, on time every time we need them!

Bart Cox

E-guide cover: 5 Common Diesel Truck Issues That Can Slow You Down

Get the Free Guide

5 Common Diesel Truck Issues That Can Shut You Down

Learn how to avoid costly breakdowns and prevent downtime with expert maintenance tips from O & O's certified diesel mechanics.

Or, get a fast, on-site repair quote today.

We work on the following makes

  • GMC logo