User Manual

Table Of Contents
Every 15,000 mi / 24,000 km / 12 mo
20
Cooling - Extended Life Coolant (ELC)
Check the freeze point. (Refer to Cooling System Maintenance on page 225)
Check for contamination using test strips. (Refer to Cooling System Maintenance on page 225 for maintenance instructions.)
Replace blank water filter if applicable.
Perform lab analysis. (Refer to Cooling System Maintenance on page 225 for maintenance instructions.) If lab analysis shows
coolant is unsuitable for continued use: Flush, drain, and refill. (Refer to Cooling System Maintenance on page 225 for
maintenance instructions.) Add ELC Extender (Refer to Cooling System Maintenance on page 225 for maintenance
instructions.).
Flush, drain, and refill with new coolant. (Refer to Cooling System Maintenance on page 225 for maintenance instructions.)
Cooling - Fan clutch
Check for air leaks. (Refer to Engine Fan on page 245 for maintenance instructions.)
Check the fan drive bearings (turn the sheave in both directions to check for worn hub bearings). (Refer to Engine Fan on page
245 for maintenance instructions.)
Cooling - Solenoid valve
Check the fan drive for proper engagement and disengagement. (Refer to Engine Fan on page 245 for maintenance
instructions.)
Power Steering - Reservoir
Check the fluid level. (Refer to Power Steering Fluid on page 265 for maintenance instructions.)
20
Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
MAINTENANCE - Preventive Maintenance Intervals
those listed here.
Y53-6113-1A1 (11/20) 191
5