So, next time you’re checking your engine’s fluids, take a quick look at the Cummins coolant flow diagram too – it could save you a lot of hassle (and money) down the line!Ĭredit: How Do You Flush a Cummins Cooling System? If you notice that the coolant isn’t flowing through certain areas of the engine, or if there are any blockages, then you can take steps to fix the problem before it becomes serious. This diagram shows where the coolant flows through your engine, and can be a valuable tool in diagnosing any potential cooling issues. Luckily, there’s a simple way to check this – by looking at the Cummins coolant flow diagram. The last thing you want is for your engine to overheat, so it’s important to make sure that your cooling system is in good working order.

If you have a 5.9 Cummins, then you know that one of the most important things to keep an eye on is the coolant level and flow. Finally, it flows back to the radiator where it exits at the bottom right side of the diagram. The coolant enters the radiator at the top left side of the diagram and flows down to the water pump.įrom there, it goes to the thermostat housing and then to the cylinder head gaskets. The 5.9 Cummins coolant flow diagram shows the path of the coolant through the engine. The engine has a displacement of 5,883 cc (5.9 L) and produces up to 350 horsepower (260 kW). The 5.9 Cummins is used in Dodge Ram pickups and other commercial vehicles. The engine was first introduced in 1989 and was produced until 2007. The 5.9 Cummins is a six-cylinder diesel engine with a turbocharger and intercooler.

5.9 cummins rear main seal towing