This service manual covers the VN and VHD truck models, focusing on preventive maintenance and annual service procedures. These vehicles are engineered for demanding applications, emphasizing robust construction and operational reliability. The manual provides detailed information to ensure these trucks perform optimally throughout their service life, addressing key components from the engine and transmission to the chassis and cab.
The purpose of this manual is to serve as a comprehensive guide for maintaining and repairing the VN and VHD trucks. It details essential procedures, including general maintenance, lubrication, oil changes, and specific checks for various vehicle systems such as brakes, steering, and suspension. Owners, technicians, and mechanics will find valuable technical specifications, troubleshooting guidance, and safety recommendations to facilitate efficient and effective vehicle upkeep.
Service Manual
Trucks
Group 177–501
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
Service Manual
Trucks
Group 177–501
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
