2017 CHEVROLET LOW CAB FORWARD heating

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
272 Vehicle Care
4. If no steam or engine coolantcan be seen or heard from the
engine compartment:
.Tilt the cab or open the
engine access cover.
‐If the engine coolant is
boiling, wait until it stops
before proceeding.
‐ Look at the see-through
reserve tank. The
engine coolant level
should be between the
"MAX" and "MIN" lines
on the reserve tank.
‐ If necessary, pour
engine coolant (See
Engine Coolant 0263
for the proper coolant
and water mixture) into
the reserve tank only,
not directly into the
radiator. Also, do not
check engine coolant
level at the radiator.
. Make sure the fan belts are
not broken, or off the
pulleys, and that the fan
turns when the engine is started. Make sure the fan
blade and pulleys are not
broken.
. Diesel engine only, check
the radiator hoses and
connections, heater hoses
and connections, radiator,
water pump, EGR cooler,
and SCR system and hoses
for leakage.
. Gasoline engine only, if the
engine coolant level in the
reserve tank is low, look for
leaks at the radiator hoses
and connections, heater
hoses and connections,
radiator, and water pump.
If the engine coolant level in
the reserve tank is at the
correct level but there is still
an indication on the
instrument panel of an
overheat condition:
You must let the engine
cool first. You may then add
engine coolant directly to
the radiator. See "Adding
Engine Coolant" under
Engine Coolant 0263. 5. Inspect to see if there is any
dirt, etc. attached to the front
surface of the radiator. Also,
inspect to see if there is
anything blocking the core.
If there is anything attached,
clean and remove it.
6. After the inspection, regardless of the vehicle condition, please
contact the nearest dealer.
Once the engine coolant
temperature gauge no longer
signals an overheat condition, you
can resume driving at a reduced
speed. Return to normal driving
after about 10 minutes if the gauge
pointer does not again show an
overheat condition.
When tap water only has been used
for engine coolant in an emergency,
change the engine coolant as soon
as possible.
Engine damage may be caused if
an overheating engine is suddenly
refilled with water. Instead, refill
slowly.

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
390 Technical Data
Fuel injection timing
(static) degree0° Variable 0°
Valve clearance (Between
cam and roller) Both intake and exhaust
valves:
0.15 mm (0.006 in) in cold engine —
Both intake and exhaust
valves:
0.6 mm (0.024 in) in cold engine
Idling speed 576 - 625 r/min 550 r/min 500 - 600 r/min
Fan belt tension New belt: 4 - 6 mm (0.16 -
0.24 in)/212 - 236 Hz
When used: 6 - 8 mm (0.24
- 0.31 in)/181 - 195 Hz —
New belt: 5 - 7 mm (0.20 -
0.28 in)/184 - 206 Hz
When used: 8 - 9 mm (0.31
- 0.35 in)/158 - 170 Hz
Oil filter Replaceable element type Replaceable element type Catridge
Engine oil capacity When changing oil and
filter:
8.2 L (8.7 qt)
*1
When changing oil and filter:
5.7 L (6.0 qt)
*1
When changing oil only: 9.5 L (10.0 qt)*1
When changing oil and
filter:
11.0 L (11.6 qt)
*1
Engine coolant capacity 12.6 L (13.3 qt)*215.0 L (15.9 qt)*219.6 L (20.7 qt)*2
Preheating system Glow plugs—Glow plugs

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
Technical Data 397
No.Name
4 A/C compressor
5 Tension pulley
6 Crank pulley
7 Alternator
If your air conditioning system is
functioning properly, it is not
necessary to remove and replace
the refrigerant or compressor oil.
. A V-ribbed belt is used for the
fan belt. This type of belt
requires the tension to be
adjusted more accurately than is
required with the conventional V
belt. Inappropriate tension could
cause the belt to make noise or
break. When the fan belt is
damaged, electricity is not
properly generated or becomes
a cause of engine overheating.
You must check the tension of
the fan belt carefully.
. Use dealer-certified genuine
parts when changing the
fan belt. .
Have the vehicle inspected and
serviced at your dealer.
. The air conditioning drive belt,
if equipped, must be adjusted
after fan belt adjustment. If the
belt is not adjusted properly, the
A/C belt may experience
excessive tension, and possible
premature failure.

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
408 Index
Brakes (cont'd)Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Parking . . . . . . . . . . . . . . . . . . . . . . . 221
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 137
Break-In, New Vehicle . . . . . . . . . . 162
Bulb Replacement
Headlamp Aiming . . . . . . . . . . . . . 288
Headlamps . . . . . . . . . . . . . . . . . . . 288
Headlamps and Front TurnSignal . . . . . . . . . . . . . . . . . . . . . . . 291
Interior Lamps . . . . . . . . . . . . . . . . 298
License Plate Lamps . . . . . . . . . 297
Roofmarker Lamps . . . . . . . . . . . 295
Sidemarker Lamps . . . . . . . . . . . 295
Taillamps, Turn Signal, Stoplamps, and Back-up
Lamps . . . . . . . . . . . . . . . . . . . . . . 297
Buzzers, Warning . . . . . . . . . . . . . . . 101
C
Cab Tilting . . . . . . . . . . . . . . . . . . . . . . 247
California
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 245
California Proposition 65 Warning . . . . . . . . . . . . . . . 245, 326
Capacities and Specifications . . . . . . . . . . . . . . . . . 389 Carbon Monoxide
Engine Exhaust . . . . . . . . . . . . . . . 178
Winter Driving . . . . . . . . . . . . . . . . 145
Cargo Lamp . . . . . . . . . . . . . . . . . . . . 107
Caution, Danger, and Warning . . . . 3
CD Player . . . . . . . . . . . . . . . . . . . . . . 114
Check Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . . . 84
Child Restraints Infants and Young Children . . . . . 57
Systems . . . . . . . . . . . . . . . . . . . . . . . . 57
Cigarette Lighter . . . . . . . . . . . . . . . . . 74
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 334
Interior Care . . . . . . . . . . . . . . . . . . 340
Climate Control Systems . . . . . . . 126 Air Conditioning . . . . . . . . . . . . . . 126
Heating . . . . . . . . . . . . . . . . . . . . . . . 126
Cluster, Instrument . . . . . . . . . . . . . . 77
Cold Weather Operation . . . . . . . . 235
Collision Damage Repair . . . . . . . 401
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . . . 60
Control of a Vehicle . . . . . . . . . . . . . 133
Coolant
Engine . . . . . . . . . . . . . . . . . . . . . . . . 263
Engine Temperature Gauge . . . . 82 Cooling . . . . . . . . . . . . . . . . . . . . . . . . . 126
Cornering Lamps . . . . . . . . . . . . . . . 106
Cover
Engine . . . . . . . . . . . . . . . . . . . . . . . . 250
Covers Winter . . . . . . . . . . . . . . . . . . . . . . . . 172
Cruise Control . . . . . . . . . . . . . 224, 227
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Cupholders . . . . . . . . . . . . . . . . . . . . . . 62
Customer Assistance . . . . . . . . . . . 399 Offices . . . . . . . . . . . . . . . . . . . . . . . . 399
Text Telephone (TTY)
Users . . . . . . . . . . . . . . . . . . . . . . . 399
Customer Information Service PublicationsOrdering Information . . . . . . . . 403
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 398
D
Damage Repair, Collision . . . . . . . 401
Danger, Warning, and Caution . . . . 3
Daytime Running Lamps (DRL)Indicator Light . . . . . . . . . . . . . . . . . . 92
Devices Auxiliary . . . . . . . . . . . . . . . . . . . . . . 124
Diesel Engine Engine Alarm andAutomatic Shutdown . . . . . . . . 174

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
410 Index
Fuel (cont'd)Economy Driving . . . . . . . . . . . . . . . 29
Filling the Tank . . . . . . . . . . . . . . . 240
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Foreign Countries . . . . . . . . . . . . 232
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Running out of Fuel . . . . . . . . . . . 238
Water in Fuel . . . . . . . . . . . . . . . . . 236
Fuel for Diesel Engines . . . . . . . . . 232
G
Gauges
Diesel Exhaust Fluid (DEF) . . . . . 83
Engine Coolant Temperature . . . 82
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Odometer . . . . . . . . . . . . . . . . . . . . . . . 80
Speedometer . . . . . . . . . . . . . . . . . . . 80
Tachometer . . . . . . . . . . . . . . . . . . . . . 81
Trip Odometer . . . . . . . . . . . . . . . . . . 80
Warning Lights andIndicators . . . . . . . . . . . . . . . . . . . . . 76
General Information Vehicle Care . . . . . . . . . . . . . . . . . . 245
Getting In and Out of the
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 35
Glove Box . . . . . . . . . . . . . . . . . . . . . . . 61
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . . 400
H
Hazard Warning Flashers . . . . . . . 105
Headlamps
Aiming . . . . . . . . . . . . . . . . . . . . . . . . 288
Bulb Replacement . . . . . . . 288, 291
Daytime Running Lamps(DRL) Indicator Light . . . . . . . . . . 92
Flash-to-Pass . . . . . . . . . . . . . . . . . 104
High-Beam On Light . . . . . . . . . . . . 92
High/Low Beam Changer . . . . . 104
Heated Mirrors . . . . . . . . . . . . . . . . . . . 40
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . 173
Heating . . . . . . . . . . . . . . . . . . . . . . . . . 126
High Idle System . . . . . . . . . . . . . . . 174
High-Beam On Light . . . . . . . . . . . . . 92
Hill and Mountain Roads . . . . . . . . 144
Hooks Shopping Bag . . . . . . . . . . . . . . . . . . 64
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
I
Idle Shutdown . . . . . . . . . . . . . . . . . . 174
Ignition Positions . . . . . . . . . . . . . . . 163
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . . 57
Information on Loading the Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 64 Instrument Cluster . . . . . . . . . . . . . . . 77
Instrument Panel
Storage Area . . . . . . . . . . . . . . . . . . . 61
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . . . . . . . . . . . . . . . . . . . . . 326
K
Keyless EntryRemote (RKE) System . . . . . . . . . 32
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
L
Lamps
Cargo . . . . . . . . . . . . . . . . . . . . . . . . . 107
Cornering . . . . . . . . . . . . . . . . . . . . . 106
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 107
Exterior Controls . . . . . . . . . . . . . . 103
Interior . . . . . . . . . . . . . . . . . . . . . . . . 298
License Plate . . . . . . . . . . . . . . . . . 297
Malfunction Indicator (CheckEngine) . . . . . . . . . . . . . . . . . . . . . . . 84
Roofmarker . . . . . . . . . . . . . . . . . . . 295
Sidemarker . . . . . . . . . . . . . . . . . . . 295
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . . . 53
Lighter, Cigarette . . . . . . . . . . . . . . . . 74
Lighting Illumination Control . . . . . . . . . . . 106

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