Maintenance Guidelines
Component
Maintenance Task
Recommended Preventative
Maintenance Interval
A B
C
D E F
G
H
* Extended
Life Coolant A heavy–duty extended life coolant (ELC) that meets ASTM D 6210 chemical composition specications must be used.
The change interval is 750,000 miles (1,200,000 km) or 22,000 hours on–road use (8 years or 15,000 hours off–highway use) on initial ll with
no extender added. The change interval is 1,000,000 miles (1,600,000 km)/20,000 hours/8 years with an extender addition at 500,000 miles
(800,000 km)/10,000 hours/4 years. Antifreeze is essential for freeze, overheat, and corrosion protection. The use of supplemental coolant
additives (SCAs) is not recommended.
NOTE
Follow the manufacturers' recommended maintenance procedures for the starter, alternator, batteries, electrical compo-
nents, radiator, air compressor, air cleaner, refrigerant compressor, and fan clutch.
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