Gen 5 DD Platform Operators Manual Inspection of the Cooling System A coolant system properly maintained and protected with supplemental coolant inhibitors can be operated up to the intervals listed in this manual using the appropriate engine duty cycle, Refer to section "Preventive Maintenance Tables". At these intervals the coolant must be drained and disposed of in an environmentally responsible manner according to state and/or federal recommendations. Authorized Detroit™ service outlets are properly equipped for this type of service. Inspect the cooling system as follows: Checking for Coolant Leaks Perform daily visual checks for cooling system leaks.
Look for an accumulation of coolant when the engine is running and when it is stopped. Check all cooling system pipes and hoses for damage and leaks and ensure they are positioned to avoid chafing, and are securely fastened. Coolant leaks may be more apparent on an engine when it is cold. If coolant leaks exist, it may be necessary to take the vehicle to an authorized Detroit™ service outlet. Checking the Coolant Level The coolant level should be inspected daily as part of the pre-start inspection, Refer to section "Checking the Coolant Level (Cold Check)". If necessary, fill the cooling system with approved coolant, Refer to section "How to Select Coolants".
Testing the Coolant Refer to the Coolant Requirements For Engine Cooling Systems brochure (DDC- SVC-BRO-0002) for the latest information on coolants and coolant testing. Inspection of the Exhaust System Inspection of the Exhaust System Inspect the exhaust system as recommended in the maintenance tables using the appropriate engine duty cycle, Refer to section "Preventive Maintenance Tables". Inspect the exhaust system as follows: 1. Check the exhaust manifold and other connections for leaks tightness. 2. Inspect the exhaust pipes for damage or restrictions. NOTE: If any of the above conditions exist, it may be necessary to take the vehicle to an authorized Detroit™ service outlet.
Inspection of the Fuel System All information subject to change without notice. 65 DDC-SVC-MAN-0217 Copyright © 2022 DETROIT DIESEL CORPORATION