Combination Vehicle
Pre-Trip Inspection
2014
By Jeff Adams
1© 2014 Jeffrey W. Adams
Front of Cab
2
ID Lights Clearance Lights
Turn Signal Lights
4-Way Flashers
Running Lights
Headlights
Front of Cab
3
Engine Compartment
Passenger Side
4
HosesCoolant Reservoir
Alternator
Exhaust System
Oil Level
Water Pump
Frame
Engine Compartment
Passenger Side
5
Front Suspension
6
Spring MountLeaf SpringsAnchor Plate
2 U-bolts
4 Nuts
Shock Absorber
Front Suspension
7
Front Brakes
8
Air Lines & Hoses
Brake Chamber
Push-Rod
Slack Adjuster
Brake Linings
Brake Drum
Inner Wheel Seal (checked with tires and rims)
Front Brakes
Front Wheel
10
Tires (ICD)(ABC)
Lug Nuts
Hub Oil Seal
Tire Beads
Rims
Inner Wheel Seal
(back side of wheel)
Front Wheel
11
Engine Compartment
Driver’s Side
12
Hoses & Wiring
Air Compressor
Power Steering Pump
(behind frame)
Power Steering Reservoir
Steering Box
Pitman Arm
Steering Column
U-Joint
Engine Compartment
Driver’s Side
13
Steering Linkage
14
Steering Linkage
Drag Link
Upper Control Arm Lower Control Arm
Tie Rod
15
Side of Cab
16
Door Hinges
Door Latches
Door WindowMirrors
Steps
Tank Straps
Side Compartment
(FET)
Turn Signal Lights
4-Way Flashers
Fuel Cap
Fuel Tank
Side of Cab
17
Rear of Cab
18
Air Lines &
Electrical Line
Exhaust System
Steps & Catwalk
Rear of Cab
19
Utility Lights
Rear of Cab
20
Frame
Drive Shaft
U-Joint
Air Tanks
Rear of Cab
21
5th Wheel
22
Mounting Bolts
Air LineSliding 5th Wheel
Slider Locking Pins
Platform
Release Handle
(opposite side)
Apron
5th Wheel
23
5th Wheel
24
Release Handle
(opposite side)
Locking Jaws & Kingpin
5th Wheel
25
Rear Suspension
26
Spring Mount
Leaf Spring
Anchor Plate
2 U-bolts
4 Nuts
Shock Absorber
Air Bag
Torque Bar
(under 5th Wheel)
Rear Suspension
27
Rear Brakes
28
Air Lines & Hoses
Brake Chamber
Push-Rod
(underneath)
Slack Adjuster
Brake Linings & Drums
(behind wheel)
Rear Brakes
29
Rear Tractor Wheels
30
Rear Tractor WheelsTire Beads
No Spacer
Tires (ICD)(ABC)
Lug Nuts
Axle Seal
Rims
31
Rear of Tractor
32
Rear of Tractor
Turn Signal Lights
4-Way Flashers
Brake Lights
Reflectors
Back-Up Light
Splash Guards
(if present)
33
Front of Trailer
34
Front of Trailer
Clearance Lights
Bulkhead
Glad Hands
Air Lines &
Electrical Line
35
Side of Trailer
36
Side of Trailer Reflectors
DOT Reflectors Landing GearSide Marker Lights
37
UnderneathTrailer
38
UnderneathTrailer
Frame Rails Cross Members Floor
39
Trailer Suspension
40
Trailer Suspension
Spring Mount
Leaf Spring
Anchor Plate
2 U-bolts
4 Nuts
41
Torsion Bar (if present)
(under Leaf Spring)
Trailer Brakes
42
Trailer Brakes
Air Lines & Hoses
Brake Chamber
Torsion Bar
(part of suspension)
Push-Rod
Slack Adjuster
Brake Linings
Brake Drum
43
Trailer Wheels
44
Trailer Wheels No Spacer
Inner Wheel Seal
(back side of wheel)
Tire Beads
Rims
Lug Nuts Hub Oil Seal
Tires (ICD)(ABC)
45
Rear of Trailer
46
Rear of Trailer
Splash Guards
ID Lights
Clearance Lights
Rear Door(s)
Door Hinges or Cables
Latch
Running Lights
Turn Signal Lights
4-Way Flashers
Brake Lights
License Plate
47
In Cab
48
In Cab
Mirrors
Windshield Wipers
Horns
Turn Signals
4-Way Flashers
Dash Indicators
Headlights
& Panel Lights
Heater/Defroster
Steering Play
Seat Belt
Emergency Equipment (FET)
Brake Valves
49
50
Study Hard!
Good Luck &
Safe Driving!

Pre trip inspection(2014)