The diesel engines in your medium and heavy-duty fleet produce a lot of heat and, as such, require powerful coolant systems to keep that heat under control. At Blackwater Diesel, we’ll repair, maintain, and even replace large coolant system components. Call today to book an appointment! 

Common Coolant System Problems

There are a number of coolant system problems that can occur in medium-duty and heavy-duty vehicles. The most common are outlined below.

where

12425 US Highway 19 N Clearwater, FL

when

Monday - Friday // 7am to 4:30pm

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Mechanic performing truck coolant system repairs at Blackwater Diesel

Malfunctioning Fan Clutches

A malfunctioning fan clutch is by far one of the most common problems with heavy and medium-duty coolant systems. For those unaware, your fan clutch is the mechanism that engages and disconnects your cooling fan. If this clutch fails, your fan may never engage, which in turn means you won’t get an adequate amount of cool air flowing through your radiator. On the other hand, if the clutch never disengages, you’re stuck with a loud and obnoxious fan all the time, and significantly decreasing your fuel mileage. At Blackwater Diesel, we consider ourselves to be fan-clutch experts. We’ll have your fan clutch replaced or repaired in no time at all! 

Old Coolant

If you haven’t changed the coolant in your fleet truck’s engines, you may want to consider doing so sooner rather than later! When coolant is used for longer than a manufacturer recommends, you run the risk of letting that coolant break down and clog up vital coolant system components. For example, broken-down coolant may flow through your radiator and plug valuable heat dispersal routes. This will surely cause your engine to overheat and is something that must be avoided at all costs. 

Transmission and Oil Coolers

Working alongside your radiator-based coolant system are transmission coolers and oil coolers. Rather than using a dedicated fluid to absorb heat, these coolers use engine oil and transmission fluid to aid in the heat dispersal process. This means the heat that’s absorbed by your engine’s oil and your transmission fluid is dispersed, which in turn, allows engines to perform better. 

Contact Us

Is one of your fleet trucks overheating? Give Blackwater Diesel a call today! 

Additional Truck repair services

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Axle Repair

Axle shafts are an integral part of a truck’s drivetrain. At Blackwater we maintain, repair, and replace axle shafts within medium and heavy-duty fleets of all kinds.

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Brake Repair

Since commercial trucks can weigh up to a hundred thousand pounds, ensuring your air brakes are in good shape through regular maintenance and repair is a necessity.

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Diagnostics & Electrical Repair

We’re diagnostics experts, and have the diagnostic tools and processes to identify even the most frustrating electrical issues.

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