2017 CHEVROLET LOW CAB FORWARD power steering fluid

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
366 Service and Maintenance
25. Automatic Transmission
Fluid :Check the automatic
transmission fluid level at each
engine oil change and replace fluid
every 48 000 km (30,000 miles). Do
not overfill.
26. Differential Gear Oil : Replace
lubricant every 48 000 km
(30,000 miles). Check lubricant level
every 16,000 km (10,000 miles) or
every 12 months, and add lubricant
to within 0 to 10 mm (0 to 0.4 inch)
of the bottom edge of the filler hole
if necessary.
27. Power Steering Fluid :
Replace power steering fluid every
24 months or 48 000 km
(30,000 miles), whichever occurs
first.
28. Power Steering Oil Hoses :
Replace power steering oil hoses
every 24 months or 80 000 km
(50,000 miles), whichever occurs
first.
29. Steering Wheel Free Play :
Check steering wheel free play after
the first 1 040 km (650 miles) and
then every 10 400 km (6,500 miles). Steering wheel free play
10-50 mm (0.39-1.97 in)
30. Steering Gear Box Torque :
Retighten the attaching bolts of the
steering gear box to the specified
torque every 12 months or every
32 000 km (20,000 miles) whichever
occurs first. Steering gear box tightening torque
103 Y(76 lb·ft)
31. Driveshaft Flange Torque :
Check the fixing bolts of driveshaft
flange for looseness or damage
after the first 16 000 km
(10,000 miles). Driveshaft flange tightening torque
103Y(76 lb·ft)
32. Driveshaft Lubrication :
Lubricate the grease fitting on the
center bearing, as well as each
universal joint and spline coupling
every 12 months or 16 000 km
(10,000 miles) whichever occurs
first. 33. Leaf Spring U-bolt Torque :
Tighten the U-Bolt nuts to the
specified torque after the first
1 040 km (650 miles), thereafter
every 16 000 km (10,000 miles).
Model Leaf spring U-bolt nut tightening torque
Front Rear
3500HD 127 Y
(94 lb·ft) 177
Y
(131 lb·ft)
4500HD 127 Y
(94 lb·ft) 177
Y
(131 lb·ft)
4500XD 196 Y
(145lb·ft) 177
Y
(131 lb·ft)
5500HD, 5500XD 196
Y
(145lb·ft) 284
Y
(209 lb·ft)
34. Wheel Nut Torque : Check tires
for excessive or abnormal wear,
or damage. Also check tire inflation
pressures and adjust.
Be sure wheels are not bent or
cracked and that wheel nuts have
been tightened to the specified
torque after the first 1,040 km
(650 miles) and then every

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
Service and Maintenance 369
2. Checks performed at theengine
.Fan belt looseness and
damage
. Engine oil level
. Engine coolant level
. Power steering fluid level
3. Checks performed from the driver's seat
.Brake fluid level
. Brake pedal free play
. Operation of meters,
gauges and warning/
indicator lights
. Engine startability,
abnormal noise and color of
exhaust gases
. Parking brake lever stroke
. Windshield washer fluid
spray condition and
windshield wiper
effectiveness
. Windshield washer fluid
level .
Steering wheel position and
free play
. Operation of horn and turn
signal lights
. Door lock operation
4. Checks performed during a walk around the vehicle
.Illumination, flashing,
contamination, damage and
obstruction of lights
. Contamination, damage ad
obstruction of windows,
mirrors and reflectors
. Leaf spring damage
. Oil, engine coolant, fuel,
brake fluid and power
steering fluid leaks
. Water separator
5. Checking wheels and tires .Air pressure
. Cracks and other damage
. Abnormal wear
. Tread depth
. Mounting condition of all
wheel nuts 6. Checks performed after the
engine startup
.Oil, engine coolant, fuel,
brake fluid and power
steering fluid leaks
. Inspect the exhaust system,
checking that the tailpipe is
clear
7. Checks performed while driving the vehicle
.Brake effectiveness
. Engine abnormal noises
Keep the Floor Around the Driver
Seat Clean and Tidy
{Warning
It is extremely dangerous to have
empty cans, empty bottles,
or other items rolling around on
the floor because they could get
trapped under the brake pedal
and prevent brake application.
For proper pedal operation, it is
also essential to lay floor mats (Continued)

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
Technical Data 393
Fuel
Fuel tank capacity
*6113 L (30.0 qt/24.9 gal) 113 L (30.0 qt/24.9 gal) 113 L (30.0 qt/24.9 gal)125 L (33.0 qt/27.5 gal)
Diesel Exhaust Fluid (DEF)
DEF tank capacity (Diesel Only) 16.0 L (4.23 gal)
Steering
Steering wheel free play 10 - 50 mm (0.39 - 1.97 in)
Power steering fluid capacity 1.5 L (1.6 qt)
Wheel
Wheel alignment Toe-in -2 to 2 mm (-0.08 to 0.08 in)
Camber 0°15’
Caster LH 2°50’, RH 3°40’
King pin 12°
Wheel hub bearing grease capacity 0.11 kg (0.24 lb)
Wheel stud nut torque : Front and rear 500 Y(50 kgf m/363 lb ft)
Disc Brakes
Model 3500/3500HD/4500HD 4500/4500XD/5500HD/5500XD
Brake size (Diameter x
Thickness) 293 x 40 mm (11.54 x 1.57 in) 363 x 42 mm (14.29 x 1.65 in)

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
Index 409
Diesel Engine (cont'd)High Idle System . . . . . . . . . . . . . 174
Diesel Exhaust Fluid . . . . . . . . 30, 189
Diesel Exhaust Fluid (DEF) Gauge . . . . . . . . . . . . . . . . . . . . . . . . . 83
Diesel Exhaust Fluid (DEF) Warning Light . . . . . . . . . . . . . . . . . . 90
Diesel Particulate Filter . . . . . . . . . 180
Distracted Driving . . . . . . . . . . . . . . . 133
Dome Lamps . . . . . . . . . . . . . . . . . . . 107
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Power Locks . . . . . . . . . . . . . . . . . . . . 39
Drive Belt Routing, Engine . . . . . . 396
Driver Behavior . . . . . . . . . . . . . . . . . 133
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . . . 93
Driving
Emergencies . . . . . . . . . . . . 148, 161
For Better Fuel Economy . . . . . . . 29
Hill and Mountain Roads . . . . . . 144
If the Vehicle is Stuck . . . . . . . . . 148
Wet Roads . . . . . . . . . . . . . . . . . . . 143
Winter . . . . . . . . . . . . . . . . . . . . . . . . 145
Driving the Vehicle . . . . . . . . . . . . . . . . 3
E
Electrical Equipment, Add-On . . . . . . . . . . . . . . . . . . . . . . . 241 Electrical System
Overload . . . . . . . . . . . . . . . . . . . . . 298
Emergencies . . . . . . . . . . . . . . 148, 161
Engine Air Cleaner/Filter . . . . . . . . . . . . . 263
Alarm and AutomaticShutdown . . . . . . . . . . . . . . . . . . . 174
Check Light (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . 84
Checks Before Operating . . . . . 175
Compartment Overview . . . . . . . 249
Coolant . . . . . . . . . . . . . . . . . . . . . . . 263
Coolant Temperature Gauge . . . . 82
Cover . . . . . . . . . . . . . . . . . . . . . . . . . 250
Drive Belt Routing . . . . . . . . . . . . 396
Exhaust . . . . . . . . . . . . . . . . . . . . . . 178
Heater . . . . . . . . . . . . . . . . . . . . . . . . 173
High Idle System . . . . . . . . . . . . . 174
Oil Pressure Light . . . . . . . . . . . . . . 89
Overheating . . . . . . . . . . . . . . . . . . 269
Reduced Power Light . . . . . . . . . . . 91
Running While Parked . . . . . . . . 179
Shutdown Warning Light . . . . . . . . 91
Engine Oil Level Indicator Light . . . . . . . . . . . . 90
Engines Diesel Fuel . . . . . . . . . . . . . . . . . . . 232
Exhaust Brake . . . . . . . . . . . . . . . . . . 222 Exhaust Brake Light . . . . . . . . . . . . . 88
Exhaust Fluid
Diesel . . . . . . . . . . . . . . . . . . . . . . . . 189
Extender, Seat Belt . . . . . . . . . . . . . . 55
Exterior Lamp Controls . . . . . . . . . 103
F
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Filter, Engine Air Cleaner . . . . . . . . . . . 263
Fixed Mast Antenna . . . . . . . . . . . . 113
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 104
Flashers, Hazard Warning . . . . . . 105
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 326
Fluid Automatic Transmission . . . . . . 260
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 280
Diesel Exhaust . . . . . . . . . . . . . . . . . 30
Power Steering . . . . . . . . . . . . . . . 273
Washer . . . . . . . . . . . . . . . . . . . . . . . 274
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 404
Front Seat Position Seats Adjustment . . . . . . . . . . . . . . . . . . . . . 44
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Biodiesel . . . . . . . . . . . . . . . . . . . . . 233
Cold Weather Operation . . . . . . 235
Diesel Engines . . . . . . . . . . . . . . . 232

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
Index 411
LightsAntilock Brake System
(ABS) Warning . . . . . . . . . . . . . . . . 87
Automatic Transmission Fluid Temperature . . . . . . . . . . . . . 88
Battery Warning . . . . . . . . . . . . . . . . 83
Brake System Warning . . . . . . . . . 84
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . 84
Cruise Control . . . . . . . . . . . . . . . . . . 92
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 92
Diesel Exhaust Fluid (DEF) . . . . . 90
Engine Oil Level Indicator . . . . . . 90
Engine Oil Pressure . . . . . . . . . . . . 89
Engine Shutdown Warning . . . . . 91
Exhaust Brake . . . . . . . . . . . . . . . . . . 88
Flash-to-Pass . . . . . . . . . . . . . . . . . 104
High-Beam On . . . . . . . . . . . . . . . . . . 92
High/Low Beam Changer . . . . . 104
Overdrive Off . . . . . . . . . . . . . . . . . . . 89
Reduced Engine Power . . . . . . . . 91
Seat Belt Reminders . . . . . . . . . . . . 83
Service Transmission Warning . . . . . . . . . . . . . . . . . . . . . . . 88
Service Vehicle Soon . . . . . . . . . . . 84
Wait to Start . . . . . . . . . . . . . . . . . . . . 89
Loading the Vehicle . . . . . . . . . . . . . . 64 Locks
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Power Door . . . . . . . . . . . . . . . . . . . . . 39
M
Maintenance and CareAdditional . . . . . . . . . . . . . . . . . . . . . 375
Maintenance Schedule . . . . . . . . . 345 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 378
Malfunction Indicator Lamp . . . . . . 84
Messages Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 97
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Heated . . . . . . . . . . . . . . . . . . . . . . . . . 40
N
New Vehicle Break-In . . . . . . . . . . . 162
Noise Control System . . . . . . . . . . 284
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . . 80Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Oil Engine . . . . . . . . . . . . . . . . . . . 251, 257
Pressure Light . . . . . . . . . . . . . . . . . . 89
Online Owner Center . . . . . . . . . . . 399
Operating Temperature . . . . . . . . . 172
Ordering Service Publications . . . . . . . . . . 403 Outlets
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Overdrive Off . . . . . . . . . . . . . . . . . . . 215
Overdrive Off Light . . . . . . . . . . . . . . 89
Overheating, Engine . . . . . . . . . . . . 269
Owner Checks and Services . . . . 367
P
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . 221
Over Things That Burn . . . . . . . 176
Passenger Compartment Air
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Pedals . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Perchlorate Materials Requirements, California . . . . . . 245
Port
USB . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Power Door Locks . . . . . . . . . . . . . . . . . . . . . 39
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . 74
Reduced Engine Light . . . . . . . . . . 91
Steering Fluid . . . . . . . . . . . . . . . . . 273
Windows . . . . . . . . . . . . . . . . . . . . . . . 41
Power Take-Off (PTO) . . . . . . . . . . 242
Pregnancy, Using Seat Belts . . . . 53
Privacy Vehicle Data Recording . . . . . . . 405

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
412 Index
Proposition 65 Warning,California . . . . . . . . . . . . . . . . . 245, 326
R
Radio Frequency Statement . . . . 404
Radio Reception . . . . . . . . . . . . . . . . 112
Radios
AM-FM Radio . . . . . . . . . . . . . . . . . 108
Rear Axle . . . . . . . . . . . . . . . . . . . . . . . 283
Rear Seats . . . . . . . . . . . . . . . . . . . . . . 48
Rear Storage . . . . . . . . . . . . . . . . . . . . 63
Recommended Fluids and Lubricants . . . . . . . . . . . . . . . . . . . . . 378
Reduced Engine Power Light . . . . 91
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . . 400
Remote Keyless Entry (RKE)
System . . . . . . . . . . . . . . . . . . . . . . . . . 32
Replacement Parts Maintenance . . . . . . . . . . . . . . . . . . 380
Reporting Safety Defects
General Motors . . . . . . . . . . . . . . . 405
U.S. Government . . . . . . . . . . . . . 405
Roads Driving, Wet . . . . . . . . . . . . . . . . . . 143
Roadside Assistance
Program . . . . . . . . . . . . . . . . . . . . . . . 400
Roofmarker Lamps . . . . . . . . . . . . . 295
Rotation, Tires . . . . . . . . . . . . . . . . . . 323 Routing, Engine Drive Belt . . . . . . 396
Running out of Fuel . . . . . . . . . . . . . 238
Running the Vehicle While
Parked . . . . . . . . . . . . . . . . . . . . . . . . 179
S
Safety Defects ReportingGeneral Motors . . . . . . . . . . . . . . . 405
U.S. Government . . . . . . . . . . . . . 405
Safety System Check . . . . . . . . . . . . 55
Scheduling Appointments . . . . . . . 401
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . 49 Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Extender . . . . . . . . . . . . . . . . . . . . . . . . 55
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . . 53
Reminders . . . . . . . . . . . . . . . . . . . . . . 83
Three-Point . . . . . . . . . . . . . . . . . . . . . 51
Use During Pregnancy . . . . . . . . . . 53
Seats Position, Front . . . . . . . . . . . . . . . . . . 44
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Security Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 39
Selector Lever . . . . . . . . . . . . . . . . . . 214
Service . . . . . . . . . . . . . . . . . . . . . . . . . 131 Accessories and
Modifications . . . . . . . . . . . . . . . . 245
Climate Control System . . . . . . . 126
Doing Your Own Work . . . . . . . . 245 Service (cont'd)
Publications Ordering
Information . . . . . . . . . . . . . . . . . . 403
Scheduling Appointments . . . . . 401
Transmission Warning Light . . . . 88
Vehicle Soon Light . . . . . . . . . . . . . . 84
Shift Lock Control Function Check, Automatic
Transmission . . . . . . . . . . . . . . . . . . 285
Shopping Bag Hooks . . . . . . . . . . . . 64
Sidemarker Lamps . . . . . . . . . . . . . 295
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . . 105
Specifications and
Capacities . . . . . . . . . . . . . . . . . . . . . 389
Speed Limiter . . . . . . . . . . . . . . . . . . . 231
Speedometer . . . . . . . . . . . . . . . . . . . . 80
Starting and Stopping the Vehicle . . . . . . . . . . . . . . . 165, 168
Steering . . . . . . . . . . . . . . . . . . . . . . . . 143 Fluid, Power . . . . . . . . . . . . . . . . . . 273
Wheel Adjustment . . . . . . . . . . . . . . 72
Stoplamps and Back-up Lamps
Bulb Replacement . . . . . . . . . . . . 297
Storage Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Storage Areas Glove Box . . . . . . . . . . . . . . . . . . . . . . 61