HOW-TO SECTION antifreeze that meets TMC RP-329 “Type EG or TMC RP-330 “Type PG specifications. Always maintain coolant at the proper level. acceptability, submit a sample for coolant analysis every 300,000 miles (480,000 km), three (3) years, or 5,000 operating hours, whichever comes first. Submit the sample in a DDC Power Trac Coolant Test Bottle. Required part numbers are in refer to section POWER COOL ENGINE PRODUCTS. 10. Do not use the following in Detroit Diesel engine cooling systems:
Soluble oil High silicate, automotive-type antifreeze Coolant Life of OAT Coolant — A properly maintained OAT coolant may be operated 600,000 miles (960,000 km), four (4) years, or until overhaul, whichever comes first. At this time the system must be completely drained, thoroughly cleaned, and refilled. OAT Coolants require the addition of an extender at 300,000 miles (480,000 km), two (2) years, or 5,000 hours, whichever comes first. Use 1 pint of extender for every 20 gallons of coolant. Chromate SCAs Methoxy propanol-base coolant Methyl alcohol-base coolant Sealer additives or coolant containing sealer additives.
HVAC coolant Phosphated coolants Coolant life of Glycol Coolant — A properly maintained cooling system, filled with phosphate-free coolant consisting of a 50/50 mix of antifreeze and water per TMC RP-329 “Type EG or TMC RP-330 “Type PG specifications can be operated to the limits recommended. The proper maintenance involves periodic evaluation using Power Trac 3-Way Coolant Test Strips and the addition of SCA as needed, indicated by the strip test. To verify coolant Coolant Life of Other Coolants — Other properly maintained coolants may be operated up to 250,000 miles (480,000 km), two (2) years, or 4,000 operating hours, whichever comes first.
At this time the system must be completely drained, thoroughly cleaned, and refilled. Coolant Flushing and Changing Drain and flush the cooling system as follows: 116 All information subject to change without notice. (Rev. 04/08) DDC-SVC-MAN-0040 0704 Copyright © 2008 DETROIT DIESEL CORPORATION