Chevrolet 4500 HD 2023 Manual page 346

Intake Manifold Nut and Bolts
Exhaust Manifold Nut and Bolts
Injector Flange Nut
Steering Gear Box Fixing Nuts
and Bolts
Drive Flange Nuts
Leaf Spring U-Bolt Nuts
Wheel Nuts
*Apply oil to the threaded portion of the U-bolt (4500HD Model).
*1
Remarks: see Engine Oil 0 242.
*2
Remarks: see Engine Coolant 0 250.
Remarks: *3 see Automatic Transmission Fluid 0 247.
Remarks: *4 see Rear Axle (Gear Oil Viscosity) 0 263 or
Rear Axle (Oil Level Check) 0 263.
*5
Remarks: Larger capacity batteries 31T (180 - 930) x 2 can also be used. However, do not mix batteries of different types and from
different makers.
Remarks: *6 The fuel tank capacity is stated on a metal plate attached to the fuel tank body. Only fill the tank to 95 percent of its capacity;
this allows room for the expansion of the fuel.
Fastener Torques
Model
4500HD*
4500XD
5500HD
5500XD
24 (17 lb ft)
34 (25 lb ft)
44.1 (33 lb ft)
103 (76 lb ft)
103 (76 lb ft)
Front
127 (94 lb ft)
196 (145 lb ft)
500 (362 lb ft)
Technical Data 345
Rear
177 (131 lb ft)
284 (209 lb ft)