HOW-TO SECTION the coolant level and add more coolant if necessary. 3. Check the outside of the radiator and condenser for blockage. Check fins for damage; straighten them if necessary. 10. Shut down the engine, close and tighten the cap on the surge tank. Cooling System Inspecting NOTE: Before doing this inspection, do either "Coolant Concentration Checking," or "Coolant Flushing and Changing." Inspect the cooling system as follows: HOT COOLANT To avoid scalding from the expulsion of hot coolant, never remove the cooling system pressure cap while the engine is at operating temperature. Wear adequate protective clothing (face shield, rubber gloves, apron, and boots).
Remove the cap slowly to relieve pressure. 1. Inspect the radiator, condenser, water pump, engine oil cooler, freeze plugs, and heat exchanger for damage and leaks. 2. Check all cooling system pipes and hoses for damage and leaks; ensure they are positioned to avoid chafing, and are securely fastened. 118 All information subject to change without notice. (Rev. 04/08) DDC-SVC-MAN-0040 0704 Copyright © 2008 DETROIT DIESEL CORPORATION