At first 15,000 mi / 24,000 km or at first PM
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Auxiliary Transmission - Cotta Transfer Case TR2205 Fabco Transfer Case TC142/TC143/TC170/TC270 Marmon-Harrington Transfer
Case MVG2000/MVG2000SD
• Initial oil change: Drain oil while warm: flush case with gear oil-compatible fluid, clean magnetic drain plug, and refill. Do not
flush the case with any solvent. (Refer to Transmission Maintenance on page 272 for maintenance instructions.)
Cooling - Hoses
• Check the radiator and heater hoses for leaks. (Refer to Cooling System Maintenance on page 224 for maintenance
instructions.)
Cooling - Fan Clutch
• Check for air leaks. 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 (ON HIGHWAY)
• Drain, replace the filter, and refill. (For proper disposal of filter and fluid, a power steering fluid filter replacement should be
performed at your authorized dealership.)
Power Steering - Reservoir (OFF HIGHWAY)
• Drain, replace the filter, and refill. (For proper disposal of filter and fluid, a power steering fluid filter replacement should be
performed at your authorized dealership.)
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Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
those listed here.
MAINTENANCE - At first 15,000 mi / 24,000 km or at first PM
Y53-6076-1D1 (09/20) 175
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