Every 60,000 mi / 96,000 km / 6 Months
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Front Suspension - Shock Absorbers
• Inspect for leaking, body damage, and damaged or worn bushings. Replace as required. Check the shock mounting stud
torque. (Refer to Front Axle and Suspension on page 252 for maintenance instructions.)
Front Suspension U-bolts - U-bolts (ON HIGHWAY)
• Check the general condition and the tightness of the nuts. Tighten the nuts to the specified torque value as required. (Refer to
Suspension U-Bolts, Grade 8 on page 280 for maintenance instructions.)
Front Suspension U-bolts - U-bolts (VOCATIONAL)
• Check the general condition and the tightness of the nuts. Tighten the U- bolts after the first day or two of operation. Then
tighten the nuts to the specified torque value as required. (Refer to Suspension U-Bolts, Grade 8 on page 280 for maintenance
instructions.)
Drive Axle - Linehaul (PACCAR) - Axle Assembly
• Drain and replace MINERAL BASE lubricant. (Refer to Rear Axle Lubrication on page 261 for maintenance instructions.)
Drive Axle (Dana) - Axle Housing
• Visually inspect for damage or leaks. (Refer to Drive Axle - Dana on page 262 for maintenance instructions.)
• Check oil level. Check "cold." Torque the drain plug. (Refer to Drive Axle - Dana on page 262 for maintenance instructions.)
Drive Axle (Dana) - Air Shift Unit
• Check the lubricant level. (Refer to Drive Axle - Dana on page 262 for maintenance instructions.)
Drive Axle (Dana) - Lube Pump (OFF HIGHWAY)
• Remove the magnetic strainer and inspect for wear particles. Wash in solvent and dry in air. (Refer to Drive Axle - Dana on
page 262 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
those listed here.
MAINTENANCE - Every 60,000 mi / 96,000 km / 6 Months
192 Y53-6076-1D1 (09/20)
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