User Manual

Table Of Contents
Component Recom-
mended
Interval
(Miles)
Date & R.O.
No.
Repair
Facility &
Location
Work
Performed
Date & R.O.
No.
Repair
Facility &
Location
Work
Performed
Engine Mounted Hose
Insulators Fasteners
10,000
Inner Fender Shields 50,000
Cab Skirts Fasteners 50,000
Air Intake System
Integrity Element
5,000
Clutch-type Fan Drive 10,000
Suspension U-Bolts, Grade 8
T
ighten all U-bolts with a torque wrench.
Torque requirements in the table below
apply to PACCAR proprietary suspensions
using Protec Torque/TEXO coated U-bolts,
only. For all other suspensions, follow the
manufacturer's recommended torque
values. PACCAR proprietary suspension u-
bolts must be tightened in a specific
sequence. Take your vehicle to an
authorized dealer to tighten the U-bolts on
your vehicle.
Torque for Grade 8 U-Bolts
Peterbilt Front Suspension U-bolts
U-Bolt Size
Diameter (-
in.)
Torque (lb-
ft)
Torque
(N•m)
3/4 260-290 353-393
7/8 370-415 502-563
MAINTENANCE - Specification Reference Charts
282 Y53-6113-1A1 (11/20)
5