Caterpillar

1350-070

UnclassifiedCooling

What This Code Means

Engine overheats frequently; Foaming is observed in the cooling system; Coolant is contaminated with oil; Coolant is contaminated with fuel

Possible Causes

  • •Fuel has entered the cooling system
  • •Oil has entered the cooling system

Suggested Actions

  1. 1Clean and flush the cooling system
  2. 2Drain and replace the ELC (Extended Life Coolant)
  3. 3Inspect the water pump and the water temperature regulator after draining
  4. 4Replace the water pump, water temperature regulator, and hoses if necessary
  5. 5Stop engine, allow it to cool, slowly loosen the cooling system pressure cap to relieve pressure, and drain the coolant
  6. 6Use only cooling system cleaners approved for Caterpillar engines to avoid component damage

Related Caterpillar Fault Codes

1352-045135312501361-04010001395-0441395-08113961450145314561900
Browse all Caterpillar fault codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 1350-070 on your specific Caterpillar unit — cited to the OEM manual, not a forum guess.

TRY IT FREE