Open the drain valve (drain cock) at the bottom of the radiator and let the existing coolant flow out by gravity. Then refill ...

With all the miles expected of today’s engines, keeping the cooling system up to par is essential and a constant challenge. However, Penray says it has two cooling system cleaning products that can be ...

Automotive coolant replacement methods can be broadly categorized into simple drain and circulation replacement. The circulation method is recommended over simple draining and refilling for several ...

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 ...