Truck HVAC Systems Repair Services in Watertown, SD

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Diagnosing issues with diesel truck's HVAC systems can be a complex task due to the many components that can contribute to problems. A thorough understanding of the specific make and model of your diesel truck is crucial for accurately diagnosing HVAC system issues.

At Pete's Fleet Service, our team of experienced mechanics are fully trained and equipped to handle all classes of diesel trucks' HVAC issues. We have the knowledge and technology to diagnose problems such as poor airflow, strange odors coming from vents, inaccurate temperature readings, and refrigerant system leaks.

Common Light-Duty HVAC Problems

A malfunctioning evaporator core is a common problem in light-duty trucks.  The evaporator core removes excess moisture from your truck cab.  You can tell if this component is not working properly because you’ll notice a build-up of moisture on your windshield and dashboard. In most cases, we can clean the evaporator core and save you from having to replace the entire component. 

Another common light-duty HVAC problem is clogged air ducts. This issue can usually be blamed on failure to change out your cabin air filter. 

Mechanic performing AC repair on semi truck in Watertown, South Dakota

Medium and Heavy-Duty HVAC System Repair

Medium and heavy-duty truck drivers usually spend a lot of time in their trucks. It is even more critical that these operators keep their HVAC systems in tip-top condition. Especially if you drive in areas where weather conditions can quickly change, a working HVAC system will impact your visibility and overall driving comfort. At Pete's Fleet Service, we provide medium and heavy-duty HVAC services to customers passing through Watertown, SD. 

Common Heavy-Duty HVAC Problems

Heavy-duty HVAC problems are often similar to that of light-duty HVAC systems. Clogged ducts resulting from poor preventive maintenance are common, as well as a malfunctioning evaporator core. In some cases, your condenser may also short out and needs to be replaced. Regardless of your issue, you can count on our team to have your back. 

Contact Us

Whether you need HVAC repairs, maintenance, or diagnostic services, our team of experienced mechanics can help. Contact us today to schedule an appointment or to learn more about our services.

Contact Us

Get in touch with Pete's Fleet Service to schedule the diesel mechanic services you require in Watertown, SD

Shop Location

2431 14th Ave SE, Watertown, SD 57201

Additional Truck Repair Services

At Pete's Fleet Service we offer a comprehensive list of truck & trailer repairs. Our technicians are highly skilled and experienced, and will have you back on the road in no time.


Brake Repair

With nearly two decades of industry experience, we understand the importance of proper brake maintenance for all classes of diesel trucks.

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Coolant Systems Repair

Our experienced diesel mechanics will ensure your engine stays cool and runs smoothly for years to come.

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Diagnostics & Electrical Repair

Our use of advanced technology and equipment allows us to pinpoint & address electrical issues with your diesel vehicle.

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