Radiator and Heater Core

Radiator and Heater Core
A radiator works by flowing the coolant through 100s of small fins that have a massive surface area, allowing air to lower the temperature. Unfortunately, this also allows a huge amount of sand to get stuck, as illustrated by the photo above. After rinsing out all the sand it was… Read More

Coolant Thermostat

Coolant Thermostat
Having dismantled the coolant intake, it was obvious we needed to replace the gasket and o-ring, so decided to buy a complete kit that included the Thermostat (Cummins part 3802273). Read More

Water Pump

Water Pump
We replaced the water pump (which pumps coolant around the engine) with a new Cummins 3285410 Water Pump. Importantly this is not the standard one (on the right), but a heavy duty one (on the left) that has the shroud covering the turbines. It's not clear from discussions on The… Read More