operators_manual

Table Of Contents
Every 120,000 mi / 192,000 km / Annually
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Rear Suspension - Frame and Crossmembers Bolts
Check the torque. Tighten to specified torque value as required. (Refer to Rear Axle and Suspension on page 231 for
maintenance instructions.)
Rear Suspension - Mounting Brackets and Fasteners
Check the condition and the fastener torque. Tighten to the specified torque value as required. (Refer to Suspension U-Bolts,
Grade 8 on page 251 for maintenance instructions.)
Hub, Drum, and Hubcap - Hubs (non-LMS) with Standard Seals
Clean the components and check for excessive wear or damage. Change the oil and seal. (Refer to Wheels on page 242 for
maintenance instructions.)
Cooling - Extended Life Coolant (ELC)
Perform lab analysis. If lab analysis shows coolant is unsuitable for continued use: Flush, drain, and refill. Add ELC Extender.
(Refer to Cooling System Maintenance on page 198 for maintenance instructions.)
Power Steering - Reservoir (ON HIGHWAY)
Drain, replace the filter, and refill. (Refer to Power Steering Fluid on page 237 for maintenance instructions.)
Steering Components - Steering Linkage
Check all joints for excessive lash: replace as required. (Refer to Steering System on page 236 for maintenance instructions.)
Fuel and Tanks - Fuel Tank Breathers
Check for proper function: clean the drain hoses. (Refer to Fuel Tank on page 222 for maintenance instructions.)
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Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
MAINTENANCE - Every 120,000 mi / 192,000 km / Annually
those listed here.
Y53-6096-1C1 (09/20) 177
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