CHASSIS AR 2343653 - Caterpillar

Probable Causes
Engine Oil Level
Low engine oil levelEngine Oil Cooler
Restriction in the engine oil cooler core
Engine oil cooler bypass valveEngine Coolant Temperature
High engine coolant temperatureRecommended Actions
Low Engine Oil Level
Use the engine oil dipstick to check for the correct oil level. If necessary, add engine oil to the crankcase.Restriction in the Engine Oil Cooler Core
Check the engine oil cooler core for damage and for plugging. Clean the engine oil cooler core or replace the engine oil cooler core, if necessary. Refer to Disassembly and assembly for the procedure to remove and install the oil cooler.Engine Oil Cooler Bypass Valve
Inspect the components of the engine oil cooler bypass valve for damage. Clean the engine oil cooler bypass valve and clean the bore for the valve. Ensure that the bypass valve is not stuck in the open position. Replace the components of the bypass valve, if necessary. Refer to Disassembly and assembly for the procedure to remove and install the oil filter base.High Engine Coolant Temperature
If a high coolant temperature condition is also occurring, refer to the symptom Troubleshooting, "Coolant Temperature Is High".