2020 CHEVROLET EXPRESS wheel

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13882570) - 2020 - CRC - 11/1/19
Service and Maintenance 311
.To avoid break-down or failure to
start the vehicle, maintain a
battery with full cranking power.
. Trained dealer technicians have
the diagnostic equipment to test
the battery and ensure that the
connections and cables are
corrosion-free.
Belts
. Belts may need replacing if they
squeak or show signs of
cracking or splitting.
. Trained dealer technicians have
access to tools and equipment
to inspect the belts and
recommend adjustment or
replacement when necessary.
Brakes
Brakes stop the vehicle and are
crucial to safe driving.
. Signs of brake wear may include
chirping, grinding, or squealing
noises, or difficulty stopping. .
Trained dealer technicians have
access to tools and equipment
to inspect the brakes and
recommend quality parts
engineered for the vehicle.
Fluids
Proper fluid levels and approved
fluids protect the vehicle’s systems
and components. See
Recommended Fluids and
Lubricants 0313 for GM approved
fluids.
. Engine oil and windshield
washer fluid levels should be
checked at every fuel fill.
. Instrument cluster lights may
come on to indicate that fluids
may be low and need to be
filled.
Hoses
Hoses transport fluids and should
be regularly inspected to ensure
that there are no cracks or leaks.
With a multi-point inspection, your
dealer can inspect the hoses and
advise if replacement is needed. Lamps
Properly working headlamps,
taillamps, and brake lamps are
important to see and be seen on
the road.
.
Signs that the headlamps need
attention include dimming, failure
to light, cracking, or damage.
The brake lamps need to be
checked periodically to ensure
that they light when braking.
. With a multi-point inspection,
your dealer can check the lamps
and note any concerns.
Shocks and Struts
Shocks and struts help aid in control
for a smoother ride.
. Signs of wear may include
steering wheel vibration, bounce/
sway while braking, longer
stopping distance, or uneven
tire wear.
. As part of the multi-point
inspection, trained dealer
technicians can visually inspect
the shocks and struts for signs

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13882570) - 2020 - CRC - 11/1/19
312 Service and Maintenance
of leaking, blown seals,
or damage, and can advise
when service is needed.
Tires
Tires need to be properly inflated,
rotated, and balanced. Maintaining
the tires can save money and fuel,
and can reduce the risk of tire
failure.
. Signs that the tires need to be
replaced include three or more
visible treadwear indicators; cord
or fabric showing through the
rubber; cracks or cuts in the
tread or sidewall; or a bulge or
split in the tire.
. Trained dealer technicians can
inspect and recommend the right
tires. Your dealer can also
provide tire/wheel balancing
services to ensure smooth
vehicle operation at all speeds.
Your dealer sells and services
name brand tires. Vehicle Care
To help keep the vehicle looking like
new, vehicle care products are
available from your dealer. For
information on how to clean and
protect the vehicle’s interior and
exterior, see
Interior Care 0299 and
Exterior Care 0294.
Wheel Alignment
Wheel alignment is critical for
ensuring that the tires deliver
optimal wear and performance.
. Signs that the alignment may
need to be adjusted include
pulling, improper vehicle
handling, or unusual tire wear.
. Your dealer has the required
equipment to ensure proper
wheel alignment.
Windshield
For safety, appearance, and the
best viewing, keep the windshield
clean and clear.
. Signs of damage include
scratches, cracks, and chips. .
Trained dealer technicians can
inspect the windshield and
recommend proper replacement
if needed.
Wiper Blades
Wiper blades need to be cleaned
and kept in good condition to
provide a clear view.
. Signs of wear include streaking,
skipping across the windshield,
and worn or split rubber.
. Trained dealer technicians can
check the wiper blades and
replace them when needed.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13882570) - 2020 - CRC - 11/1/19
Service and Maintenance 313
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
This maintenance section applies to vehicles with a gasoline engine. If the vehicle has a diesel engine, see the
maintenance schedule section in the Duramax diesel supplement.
Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer.Usage Fluid/Lubricant
Automatic Transmission (6-Speed Transmission) DEXRON-VI Automatic Transmission Fluid.
Automatic Transmission (8-Speed Transmission) DEXRON-HP Automatic Transmission Fluid.
Chassis Lubrication, Parking Brake Cable Guides Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. SeeCooling System 0230.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil
0 222.
Front Wheel Bearings Wheel bearing lubricant meeting requirements of NLGI #2, Category GC or GC-LB (GM Part No. 1051344, in Canada 993037).
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in Canada 19353127).

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13882570) - 2020 - CRC - 11/1/19
314 Service and Maintenance
UsageFluid/Lubricant
Key Lock Cylinders, Hood Hinges Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474).
Power Steering System GM Power Steering Fluid (GM Part No. 19329450, in Canada 19329451).
Rear Axle (Dual Rear Wheels) SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88900401, in Canada 89021678).
Rear Axle (Single Rear Wheels) SAE 75W-85 Synthetic Axle Lubricant (GM Part No. 19300457, in Canada 19300458).
Weatherstrip Conditioning Weatherstrip lubricant (GM Part No. 3634770, in Canada 10953518) or equivalent.
Weatherstrip Squeaks Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in Canada 10953437).
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements.
Maintenance Replacement Parts
If the vehicle has the Duramax diesel engine, see the Duramax diesel supplement.
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.
Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter 4.3L V6 Engine 84065602 A3228C

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13882570) - 2020 - CRC - 11/1/19
Technical Data 319
ApplicationCapacities
Metric English
Cutaway (Standard Tank) 124.9 L 33.0 gal
Passenger and Cargo 117.3 L 31.0 gal
* 4 039 mm (159 in) wheelbase or 4 496 mm (177 in) wheelbase only
Wheel Nut Torque 190 Y140 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.
Engine Specifications
Engine VIN CodeTransmission Spark Plug Gap
4.3L V6 (LV1) PAutomatic 0.95–1.10 mm (0.037–
0.043 in)
6.0L V8 (L96) GAutomatic 0.95–1.10 mm (0.037–
0.043 in)
6.0L V8 (LC8) (Capable of
Being Upfit for Gaseous Fuel) B
Automatic 0.95–1.10 mm (0.037–
0.043 in)
Spark plug gaps are preset by the manufacturer. Re-gapping the spark plug is not recommended and can damage
the spark plug.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13882570) - 2020 - CRC - 11/1/19
Customer Information 325
GM Mobility
Reimbursement Program
This program is available to
qualified applicants for cost
reimbursement, up to certain limits,
of eligible aftermarket adaptive
equipment required for the vehicle,
such as hand controls or a
wheelchair/scooter lift for the
vehicle.
To learn about the GM Mobility
program, see www.gmmobility.com
or call the GM Mobility Assistance
Center at 1-800-323-9935. Text
Telephone (TTY) users, call
1-800-833-9935.
General Motors of Canada also has
a Mobility program. See www.gm.ca
or call 1-800-GM-DRIVE
(800-463-7483) for details. TTY
users call 1-800-263-3830.
Roadside Assistance
Program
For U.S.-purchased vehicles, call
1-800-243-8872. (Text Telephone
(TTY): 1-888-889-2438.)
For Canadian-purchased vehicles,
call 1-800-268-6800.
Service is available 24 hours a day,
365 days a year.
Calling for Assistance
When calling Roadside Assistance,
have the following information
ready:
.Your name, home address, and
home telephone number
. Telephone number of your
location
. Location of the vehicle
. Model, year, color, and license
plate number of the vehicle
. Odometer reading, Vehicle
Identification Number (VIN), and
delivery date of the vehicle
. Description of the problem
Coverage
Services are provided for the
duration of the vehicle’s powertrain
warranty.
In the U.S., anyone driving the
vehicle is covered. In Canada, a
person driving the vehicle without
permission from the owner is not
covered.
Roadside Assistance is not a part of
the New Vehicle Limited Warranty.
General Motors North America and
Chevrolet reserve the right to make
any changes or discontinue the
Roadside Assistance program at
any time without notification.
General Motors North America and
Chevrolet reserve the right to limit
services or payment to an owner or
driver if they decide the claims are
made too often, or the same type of
claim is made many times.
Services Provided
.Emergency Fuel Delivery:
Delivery of enough fuel for the
vehicle to get to the nearest
service station.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13882570) - 2020 - CRC - 11/1/19
352 Index
SeatsAdjustment, Front . . . . . . . . . . . . . . . 27
Head Restraints . . . . . . . . . . . . . . . . 27
Power Adjustment, Front . . . . . . . 27
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Reclining Seatbacks . . . . . . . . . . . . 28
Securing Child Restraints . . . . 70, 72
Security
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
OnStar . . . . . . . . . . . . . . . . . . . . . . . 337
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 19
Vehicle Alarm . . . . . . . . . . . . . . . . . . . 19
Service . . . . . . . . . . . . . . . . . . . . . . . . . 149 Accessories andModifications . . . . . . . . . . . . . . . . 216
Climate Control System . . . . . . . 144
Doing Your Own Work . . . . . . . . 216
Maintenance Records . . . . . . . . 316
Maintenance, General
Information . . . . . . . . . . . . . . . . . . 303
Parts Identification . . . . . . . . . . . . 317
Scheduling Appointments . . . . . 327
Services Special Application . . . . . . . . . . . 310
Servicing the Airbag . . . . . . . . . . . . . 53
Shift Lock Control Function
Check, Automatic
Transmission . . . . . . . . . . . . . . . . . . 243 Shifting
Into Park . . . . . . . . . . . . . . . . . . . . . . 169
Out of Park . . . . . . . . . . . . . . . . . . . 170
Side Blind Zone Alert (SBZA) . . . 188
Side Door . . . . . . . . . . . . . . . . . . . . . . . 16
Sidemarker Bulb Replacement . . . . . . . . . . . . 245
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . . 113
Sliding Door . . . . . . . . . . . . . . . . . . . . . 17
Special Application Services . . . . 310
Specifications and Capacities . . . . . . . . . . . . . . . . . . . . . 318
Speedometer . . . . . . . . . . . . . . . . . . . . 87
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . . . 96
Start Assist, Hill . . . . . . . . . . . . . . . . . 177
Start Vehicle, Remote . . . . . . . . . . . 12
Starter Switch Check . . . . . . . . . . . 242
Starting the Engine . . . . . . . . . . . . . 165
Steering . . . . . . . . . . . . . . . . . . . . . . . . 153 Fluid, Power . . . . . . . . . . . . . . . . . . 237
Wheel Adjustment . . . . . . . . . . . . . . 79
Wheel Controls . . . . . . . . . . . . . . . . . 79
Storage Areas
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Storage Compartments . . . . . . . . . . 76
Stuck Vehicle . . . . . . . . . . . . . . . . . . . 158 Sun Visors . . . . . . . . . . . . . . . . . . . . . . . 25
Swing-out Windows . . . . . . . . . . . . . . 24
Switches
Airbag On-Off . . . . . . . . . . . . . . . . . . . 50
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 3
System Forward Collision
Alert (FCA) . . . . . . . . . . . . . . . . . . 186
Infotainment . . . . . . . . . . . . . 117, 334
Noise Control . . . . . . . . . . . . . . . . . 241
Systems
Driver Assistance . . . . . . . . . . . . . 182
T
Taillamps . . . . . . . . . . . . . . . . . . . . . . . 246
Text Telephone (TTY) Users . . . . 324
Theft-Deterrent Systems . . . . . . . . . 20Immobilizer . . . . . . . . . . . . . . . . . . . . . 20
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255 All-Season . . . . . . . . . . . . . . . . . . . . 256
Buying New Tires . . . . . . . . . . . . . 271
Chains . . . . . . . . . . . . . . . . . . . . . . . . 275
Changing . . . . . . . . . . . . . . . . . . . . . 278
Designations . . . . . . . . . . . . . . . . . 259
Different Size . . . . . . . . . . . . . . . . . 272
Dual Rotation . . . . . . . . . . . . . . . . . 270
Full-Size Spare . . . . . . . . . . . . . . . 287

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13882570) - 2020 - CRC - 11/1/19
Index 353
Tires (cont'd)If a Tire Goes Flat . . . . . . . . . . . . 276
Inspection . . . . . . . . . . . . . . . . . . . . 268
Pressure . . . . . . . . . . . . . . . . . . . . . . 263
Pressure Light . . . . . . . . . . . . . . . . . . 97
Pressure Monitor Operation . . 265
Pressure Monitor System . . . . . 264
Rotation . . . . . . . . . . . . . . . . . . . . . . 268
Sidewall Labeling . . . . . . . . . . . . . 257
Terminology and Definitions . . 260
Uniform Tire Quality
Grading . . . . . . . . . . . . . . . . . . . . . 273
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 274
Wheel Replacement . . . . . . . . . . 275
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 270
Winter . . . . . . . . . . . . . . . . . . . . . . . . 256
Top Tier Fuel . . . . . . . . . . . . . . . . . . . 191
Tow/Haul Mode . . . . . . . . . . . . . . . . . 175
Tow/Haul Mode Light . . . . . . . . . . . . 96
Towing Driving Characteristics . . . . . . . . 196
Equipment . . . . . . . . . . . . . . . . . . . . 208
General Information . . . . . . . . . . 196
Recreational Vehicle . . . . . . . . . . 292
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 201
Trailer Sway Control (TSC) . . . .211 Towing (cont'd)
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 291
Traction Control System(TCS)/StabiliTrak Light . . . . . . . . 97
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . 178
Trailer Sway Control (TSC) . . . . . . . . . . .211
Tow Mirrors . . . . . . . . . . . . . . . . . . . . . 21
Towing . . . . . . . . . . . . . . . . . . . . . . . . 201
Transmission
Automatic . . . . . . . . . . . . . . . . . . . . . 171
Fluid, Automatic . . . . . . . . . 225, 228
Transportation Program, Courtesy . . . . . . . . . . . . . . . . . . . . . . 327
Trip Odometer . . . . . . . . . . . . . . . . . . . 87
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . . . 113
U
Uniform Tire Quality Grading . . . 273
Using This Manual . . . . . . . . . . . . . . . . 2
V
VehicleAlarm System . . . . . . . . . . . . . . . . . . 19
Canadian Owners . . . . . . . . . . . . . . . 2
Control . . . . . . . . . . . . . . . . . . . . . . . 153 Vehicle (cont'd)
Identification Number (VIN) . . . 317
Load Limits . . . . . . . . . . . . . . . . . . . 158
Messages . . . . . . . . . . . . . . . . . . . . 104
Personalization . . . . . . . . . . . . . . . 105
Remote Start . . . . . . . . . . . . . . . . . . . 12
Security . . . . . . . . . . . . . . . . . . . . . . . . 19
Speed Messages . . . . . . . . . . . . . 104
Towing . . . . . . . . . . . . . . . . . . . . . . . . 291
Vehicle Ahead Indicator . . . . . . . . . 96
Vehicle Care Tire Pressure . . . . . . . . . . . . . . . . . 263
Vehicle Data Recording and Privacy . . . . . . . . . . . . . . . . . . . . . . . . 333
Ventilation, Air . . . . . . . . . . . . . . . . . . 149
Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Voltmeter Gauge . . . . . . . . . . . . . . . . 90
W
Warning Brake System Light . . . . . . . . . . . . . 94
Caution and Danger . . . . . . . . . . . . . 2
Lane Departure (LDW) . . . . . . . 190
Warning Lights, Gauges, and Indicators . . . . . . . . . . . . . . . . . . . . . . 85
Warnings
Hazard Flashers . . . . . . . . . . . . . . .113
Washer Fluid . . . . . . . . . . . . . . . . . . . 237