Cummins ISB Diesel Engine Oil Cooler

The coolant leak on the oil cooler was noticed during a service with the bus on the hoist. That’s what it’s all about when it comes to preventive maintenance. Finding problems before they get worse is our daily goal in the shop. Every 5,000 kilometres our buses go up on the hoist and gets a… Continue reading Cummins ISB Diesel Engine Oil Cooler