Every 15,000 mi / 24,000 km / 12 mo
20
Front Axle (Dana) - Steering knuckle spindles, thrust bearings, kingpins, drawkeys, tie rod ends, steering stops, and bushings (ON
HIGHW
AY)
• Inspect for wear and damage and for endplay. Shim or replace as required. (Refer to Front Axle and Suspension on page 252
for maintenance instructions.)
Front Axle (Dana) - Steering knuckle spindles, thrust bearings, kingpins, drawkeys, tie rod ends, steering stops, and bushings (OFF
HIGHWAY)
• Inspect for wear and damage and for endplay. Shim or replace as required. (Refer to Front Axle and Suspension on page 252
for maintenance instructions.)
Front Suspension - Front Spring
• Front Axle and Suspension on page 252 for maintenance instructions.)
Front Suspension - Spring Pins and Shackles
• Inspect for worn parts and excessive joint clearance. Shim or replace as required. (Refer to Front Axle and Suspension on page
252 for maintenance instructions.)
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 - Spring Pins
• Lubricate with approved grease. (Refer to Front Axle and Suspension on page 252 for maintenance instructions.)
20
Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
those listed here.
MAINTENANCE - Preventive Maintenance Intervals
186 Y53-6113-1A1 (11/20)
5
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