2020 CHEVROLET LOW CAB FORWARD automatic transmission

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
354 Technical Data
Parking Brake
Lever effective stroke (Under pull force of approx. 147 N (15 kg/33 lb) 6–8 notches
Electrical System
Battery type [BCI size] (RC-CCA) x No. of units 31T (160–950) x 2
*7
Starter
12 V/3.0 kw
Alternator 12 V/140 amp
Tightening Torque
Oil pan drain plug 83.3Y(8.5 kgf m/61.0 lb ft)
Oil filter drain plug —
Oil filter —
Oil filter cartridge 63.7Y(6.5 kgf m/47.0 lb ft)
Remarks:
*1see Engine Oil 0235.
Remarks:*2see Engine Coolant 0243.
Remarks:*3see Automatic Transmission Fluid 0241.
Remarks:*4see Rear Axle (Gear Oil Viscosity Chart) 0261 or
Rear Axle (Oil Level Check) 0262.
Remarks:
*5only for vehicles equipped with optional limited slip differential.
Remarks:*6The 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.
Remarks:
*7larger capacity batteries 31 (180-930) × 2 can also be used. However, do not mix batteries of different
types and from different makers.

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
Index 365
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 230
Add-On Electrical Equipment . . . 227
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . 336
Adjustments Seat, Initial Drive . . . . . . . . . . . . . . . 26
Agreements Trademarks and License . . . . . .119
Air Cleaner/Filter, Engine . . . . . . . 243
Air Conditioning . . . . . . . . . . . . . . . . 121
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 125
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 124
AM-FM Radio . . . . . . . . . . . . . . . . . . . . 85
Antenna Fixed Mast . . . . . . . . . . . . . . . . . . . . . 90
Antilock Brake System (ABS) . . . 207
Warning Light . . . . . . . . . . . . . . . . . . . 64
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 307
Interior . . . . . . . . . . . . . . . . . . . . . . . . 313
Assistance Program,
Roadside . . . . . . . . . . . . . . . . . . . . . . 358
Audio Bluetooth . . . . . . . . . . . . . . . . . . . . . 108 Audio Players
CD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Automatic Transmission . . . . . . . . . . . . . . . . . 196
Transmission Fluid . . . . . . . . . . . 241
Automatic Transmission Selector Lever . . . . . . . . . . . . . . . . 205
Shift Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 264
Automatic Transmission Fluid Temperature Warning Light . . . . . 66
Automatic Transmission Overdrive Off . . . . . . . . . . . . . . . . . . 206
Auxiliary Devices . . . . . . . . . . . . . . . . . . . . . . . 107
Axle, Rear . . . . . . . . . . . . . . . . . 261, 262
B
Battery - North America . . . . 259, 301
Battery Warning Light . . . . . . . . . . . . 61
Biodiesel . . . . . . . . . . . . . . . . . . . . . . . 219
Blade Replacement, Wiper . . . . . 265
Bluetooth
Overview . . . . . . . . . . . . . . . . . . . . . . 111
Bluetooth Audio . . . . . . . . . . . . . . . . 108
Brake Exhaust . . . . . . . . . . . . . . . . . . . . . . 213
System Warning Light . . . . . . . . . . 62

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
Index 367
D
Damage Repair, Collision . . . . . . . 359
Danger, Warning, and Caution . . . . 3
Daytime Running Lamps (DRL)Indicator Light . . . . . . . . . . . . . . . . . . 69
Devices Auxiliary . . . . . . . . . . . . . . . . . . . . . . 107
Diesel Engine Engine Alarm andAutomatic Shutdown . . . . . . . . 164
Diesel Exhaust Fluid . . . . . . . . . . . . 180
Diesel Exhaust Fluid (DEF) Gauge . . . . . . . . . . . . . . . . . . . . . . . . . 60
Diesel Exhaust Fluid (DEF)
Warning Light . . . . . . . . . . . . . . . . . . 68
Diesel Particulate Filter . . . . . . . . . 171
Distracted Driving . . . . . . . . . . . . . . . 130
Dome Lamps . . . . . . . . . . . . . . . . . . . . 84
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Power Locks . . . . . . . . . . . . . . . . . . . . 21
Drive Belt Routing, Engine . . . . . . 355
Driver Behavior . . . . . . . . . . . . . . . . . 129
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . . 70
Driving Better Fuel Economy . . . . . . . . . 129
Emergencies . . . . . . . . . . . . 145, 155 Driving (cont'd)
Hill and Mountain Roads . . . . . . 141
If the Vehicle is Stuck . . . . . . . . . 144
Wet Roads . . . . . . . . . . . . . . . . . . . 140
Winter . . . . . . . . . . . . . . . . . . . . . . . . 142
E
Electrical Equipment,
Add-On . . . . . . . . . . . . . . . . . . . . . . . 227
Electrical System
Overload . . . . . . . . . . . . . . . . . . . . . 277
Emergencies . . . . . . . . . . . . . . 145, 155
Engine Air Cleaner/Filter . . . . . . . . . . . . . 243
Alarm and Automatic
Shutdown . . . . . . . . . . . . . . . . . . . 164
Check Light (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . 61
Checks Before Operating . . . . . 166
Compartment Overview . . . . . . . 234
Coolant . . . . . . . . . . . . . . . . . . . . . . . 243
Coolant Temperature Gauge . . . . 60
Cover . . . . . . . . . . . . . . . . . . . . . . . . . 235
Drive Belt Routing . . . . . . . . . . . . 355
Exhaust . . . . . . . . . . . . . . . . . . . . . . 168
Heater . . . . . . . . . . . . . . . . . . . . . . . . 163
High Idle System . . . . . . . . . . . . . 165
Oil Pressure Light . . . . . . . . . . . . . . 67 Engine (cont'd)
Overheating . . . . . . . . . . . . . . . . . . 249
Reduced Power Light . . . . . . . . . . . 69
Running While Parked . . . . . . . . 170
Shutdown Warning Light . . . . . . . . 68
Engine Oil Level Indicator Light . . . . . . . . . . . . 67
Engines Diesel Fuel . . . . . . . . . . . . . . . . . . . 218
Exhaust Brake . . . . . . . . . . . . . . . . . . 213
Exhaust Brake Light . . . . . . . . . . . . . 65
Exhaust Fluid Diesel . . . . . . . . . . . . . . . . . . . . . . . . 180
Extender, Seat Belt . . . . . . . . . . . . . . 37
Exterior Lamp Controls . . . . . . . . . . 80
F
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171 Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Filter, Engine Air Cleaner . . . . . . . . . . . 243
Fixed Mast Antenna . . . . . . . . . . . . . 90
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . 81
Flashers, Hazard Warning . . . . . . . 82
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 300
Fluid Automatic Transmission . . . . . . 241
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 258

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
Index 369
L
LampsCargo . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Cornering . . . . . . . . . . . . . . . . . . . . . . . 83
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Exterior Controls . . . . . . . . . . . . . . . . 80
Interior . . . . . . . . . . . . . . . . . . . . . . . . 277
License Plate . . . . . . . . . . . . . . . . . 276
Malfunction Indicator (CheckEngine) . . . . . . . . . . . . . . . . . . . . . . . 61
Roofmarker . . . . . . . . . . . . . . . . . . . 274
Sidemarker . . . . . . . . . . . . . . . . . . . 274
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . . . 36
Lighting Illumination Control . . . . . . . . . . . . . 83
Lights Antilock Brake System(ABS) Warning . . . . . . . . . . . . . . . . 64
Automatic Transmission
Fluid Temperature . . . . . . . . . . . . . 66
Battery Warning . . . . . . . . . . . . . . . . 61
Brake System Warning . . . . . . . . . 62
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . 61
Cruise Control . . . . . . . . . . . . . . . . . . 70
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 69
Diesel Exhaust Fluid (DEF) . . . . . 68 Lights (cont'd)
Engine Oil Level Indicator . . . . . . 67
Engine Oil Pressure . . . . . . . . . . . . 67
Engine Shutdown Warning . . . . . 68
Exhaust Brake . . . . . . . . . . . . . . . . . . 65
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 81
High-Beam On . . . . . . . . . . . . . . . . . . 69
High/Low Beam Changer . . . . . . . 81
Idle Shutdown . . . . . . . . . . . . . . . . . . 68
Overdrive Off . . . . . . . . . . . . . . . . . . . 66
Reduced Engine Power . . . . . . . . 69
Seat Belt Reminders . . . . . . . . . . . . 60
Service Transmission
Warning . . . . . . . . . . . . . . . . . . . . . . . 65
Service Vehicle Soon . . . . . . . . . . . 62
Wait to Start . . . . . . . . . . . . . . . . . . . . 67
Loading the Vehicle . . . . . . . . . . . . . . 46
Locks Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Power Door . . . . . . . . . . . . . . . . . . . . . 21
M
Maintenance and CareAdditional . . . . . . . . . . . . . . . . . . . . . 336
Maintenance Schedule . . . . . . . . . 317 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 339
Malfunction Indicator Lamp . . . . . . 61 Messages
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 74
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Heated . . . . . . . . . . . . . . . . . . . . . . . . . 22
N
New Vehicle Break-In . . . . . . . . . . . 156
Noise Control System . . . . . . . . . . 262
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . . 58Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Oil
Engine . . . . . . . . . . . . . . . . . . . . . . . . 235
Pressure Light . . . . . . . . . . . . . . . . . . 67
Online Owner Center . . . . . . . . . . . 357
Operating Temperature . . . . . . . . . 162
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Overdrive Off . . . . . . . . . . . . . . . . . . . 206
Overdrive Off Light . . . . . . . . . . . . . . 66
Overheating, Engine . . . . . . . . . . . . 249
Overview Instrument Panel . . . . . . . . 8, 10, 11
Owner Checks and Services . . . . 330

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
Index 371
Service (cont'd)Climate Control System . . . . . . . 121
Doing Your Own Work . . . . . . . . 231
Scheduling Appointments . . . . . 359
Transmission Warning Light . . . . 65
Vehicle Soon Light . . . . . . . . . . . . . . 62
Shift Lock Control Function Check, Automatic
Transmission . . . . . . . . . . . . . . . . . . 264
Shopping Bag Hooks . . . . . . . . . . . . 45
Sidemarker Lamps . . . . . . . . . . . . . 274
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . . . 82
Specifications and
Capacities . . . . . . . . . . . . . . . . . . . . . 349
Speedometer . . . . . . . . . . . . . . . . . . . . 58
Starting and Stopping the Vehicle . . . . . . . . . . . . . . . . . . . . . . . . 159
Steering . . . . . . . . . . . . . . . . . . . . . . . . 140 Fluid, Power . . . . . . . . . . . . . . . . . . 252
Wheel Adjustment . . . . . . . . . . . . . . 53
Stoplamps and Back-up Lamps Bulb Replacement . . . . . . . . . . . . 276
Storage Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Storage Areas Glove Box . . . . . . . . . . . . . . . . . . . . . . 43 Storage Areas (cont'd)
Information on Loading the
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . 46
Instrument Panel . . . . . . . . . . . . . . . 43
Storage Compartments . . . . . . . . . . 42
Stuck Vehicle . . . . . . . . . . . . . . . . . . . 144
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . 25
System Noise Control . . . . . . . . . . . . . . . . . 262
T
Tachometer . . . . . . . . . . . . . . . . . . . . . . 59
TaillampsBulb Replacement . . . . . . . . . . . . 276
Temperature, Operating . . . . . . . . 162
Text Telephone (TTY) Users . . . . 357
Three-Point Seat Belt . . . . . . . . . . . . 33
Tires If a Tire Goes Flat . . . . . . . . . . . . 300
Pressure . . . . . . . . . . . . . . . . . . . . . . 297
Rotation . . . . . . . . . . . . . . . . . . . . . . 297
Tires and Wheels . . . . . . . . . . . . . . . 285
Towing Vehicle . . . . . . . . . . . . . . . . . . . . . . . 305
Trademarks and License Agreements . . . . . . . . . . . . . . . . . . . 119
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . 196 Transmission (cont'd)
Fluid, Automatic . . . . . . . . . . . . . . 241
Overdrive Off, Automatic . . . . . . 206
Service Warning Light . . . . . . . . . . 65
Trip Odometer . . . . . . . . . . . . . . . . . . . 58
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . . . . 82
Turn Signal Bulb Replacement . . . . . . . . . . . . 276
U
USB Port . . . . . . . . . . . . . . . . . . . . . . . . 98
Using This Manual . . . . . . . . . . . . . . . . 3
V
Vehicle
Control . . . . . . . . . . . . . . . . . . . . . . . 130
Getting In and Out . . . . . . . . . . . . . . 17
Identification Number (VIN) . . . 343
Messages . . . . . . . . . . . . . . . . . . . . . . 74
Security . . . . . . . . . . . . . . . . . . . . . . . . 21
Service Soon Light . . . . . . . . . . . . . 62
Starting and Stopping . . . . . . . . . 159
Towing . . . . . . . . . . . . . . . . . . . . . . . . 305
Vehicle Care Tire Pressure . . . . . . . . . . . . . . . . . 297
Vehicle Data Recording and Privacy . . . . . . . . . . . . . . . . . . . . . . . . 363