Service Manual
Trucks
Group 177501
Preventive Maintenance
Annual Service
VN,VHD

General .................................................................................................... 3
Preventive Maintenance ........................................................................ 3
Specifications ......................................................................................... 7
Engines .................................................................................................. 7
Transmissions ...................................................................................... 10
Rear Axle ............................................................................................. 11
Tools ...................................................................................................... 12
Special Tools and Special Equipment ................................................. 12
Preventive Maintenance Inspection Bay ............................................. 19
Design and Function ........................................................................... 21
Valve Adjustment Interval .................................................................... 21
Clutch ................................................................................................... 21
Power Take-off ..................................................................................... 23
Driveshaft ............................................................................................. 23
Brakes .................................................................................................. 24
Steering System .................................................................................. 25
Hubs .................................................................................................... 26
Chassis ................................................................................................ 27
Cab ...................................................................................................... 28
Preventive Maintenance ...................................................................... 29
Annual Service Including Lubrication and Oil Change ....................... 29
Reception ............................................................................................. 33
Lubrication ........................................................................................... 34
Cab ...................................................................................................... 53
External Checks .................................................................................. 63
Engine Compartment Checks ............................................................. 72
Front Suspension, Steering System Checks ....................................... 83
Checks Beneath the Vehicle ............................................................... 86
Test Driving ........................................................................................ 103
............................................................................................................. 113
Additional Time Based Maintenance ................................................. 113
............................................................................................................. 115
Additional Mileage Based Maintenance ............................................ 115