Every 120,000 mi / 192,000 km / Annually
15
Rear Suspension - Frame and Crossmembers Bolts
• Check the torque. Tighten to specified torque value as required. (Refer to Rear Axle and Suspension on page 259 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 280 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 271 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 224 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.)
Steering Components - Steering Linkage
• Check all joints for excessive lash: replace as required. (Refer to Steering System on page 265 for maintenance instructions.)
Fuel and Tanks - Fuel Tank Breathers
• Check for proper function: clean the drain hoses. (Refer to Fuel Tank on page 250 for maintenance instructions.)
15
Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
those listed here.
MAINTENANCE - Every 120,000 mi / 192,000 km / Annually
204 Y53-6076-1D1 (09/20)
5
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