Frame................................................................................................................................................250
Front Axle and Suspension...............................................................................................................252
PACCAR 20k Front Axle Lubrication.................................................................................................254
Heater and Air Conditioner Maintenance..........................................................................................255
Noise and Emission Control..............................................................................................................257
Diesel Exhaust Fluid (DEF) Tank Straps...........................................................................................259
Rear Axle and Suspension................................................................................................................259
Steering System................................................................................................................................265
Driveline............................................................................................................................................ 267
Tires.................................................................................................................................................. 267
Wheels.............................................................................................................................................. 271
Transmission Maintenance............................................................................................................... 272
Mechanical Clutch ............................................................................................................................273
Specification Reference Charts.........................................................................................................274
MAINTENANCE -
168 Y53-6076-1D1 (09/20)
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