The saying goes something like this: “When you take care of something good, that something good takes care of you.” The same can be said for taking care of maintenance on a heavy duty engine. Whether ...

Engine overheating is rarely the result of a single failure. It usually happens when several small weaknesses in the cooling system line up, from low coolant to a stuck thermostat or a failing fan. To ...

When you cut to the basic principles of heavy-duty trucks it comes down to return on investment: maximum mpg, meeting emissions requirements and the truck running at optimum conditions and ...

Many things have changed in the Pontiac world over the years. Components that were considered essential have been replaced with new technologies. The carburetor succumbed to the fuel injector; breaker ...

A heavy-duty truck’s cooling system is primarily designed to prevent the engine from overheating. Secondary tasks are to provide heat to the cab and, in some cases, the trailer. Today, cooling systems ...

Airborne dust and fine desert debris can further impact cooling performance. Radiator fins may become partially blocked, restricting airflow and limiting heat dissipation. When airflow is reduced, the ...

We all know hot trucks are cool. On the other hand, trucks that run hot aren't cool. There's nothing worse than steam coming out from under the hood of your prized pickup while boiling coolant pours ...

How coolant testing helps identify diesel engine risk before it becomes an overheating event, corrosion problem, or major repair.