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Coolant Filtration COOLANT FILTRATION
Overview ..............................................................................................................92
Diesel Engine Coolant Filtration ........................................................................... 92
Diesel Coolant Trends & Changes ....................................................................... 92
Typical Coolant Filtration System ........................................................................ 93
Coolant Filters & Design Features ........................................................................ 94
Filter Media ............................................................................................................ 95
Extended Service Coolant Filtration (Donaldson Endurance™) ......................96
Traditional Coolant Head and Filters ..................................................................97
Cooling System Maintenance .............................................................................98
Diesel Engine Coolant Maintenance Requirements .........................................98
Test Strip Kit .......................................................................................................... 98
Service intervals (flush/recharge) ......................................................................... 98
Coolant Additives .................................................................................................. 99
Proper Steps for Spin-on Coolant Replacements ..............................................100
Coolant Hose - 3 & 4 Ply .................................................................................... 101
SCA/SCA+ Chemical Differences ...................................................................... 101
Coolant ............................................................................................................... 102
Spin-on Coolant Filters ..................................................................................... 103
Cooling System Problems................................................................................. 104
www.donaldson.com Engine Liquid Filtration • 91
