2008 CHEVROLET EXPRESS PASSANGER oil pressure

(g)Vehicles with Gross Vehicle Weight Rating (GVWR)
above 10,000 lbs (4 536 kg) only: Inspect shields for
damage or looseness. Adjust or replace as required.
This is a Noise Emission Control Service. Applicable to
vehicles sold in the United States and recommended
for vehicles sold in Canada.
(h)Change automatic transmission fluid and filter if the
vehicle is mainly driven under one or more of these
conditions:
-In heavy city traffic where the outside temperature
regularly reaches 90°F (32°C) or higher.
-In hilly or mountainous terrain.
-When doing frequent trailer towing.
-Uses such as found in taxi, police, or delivery
service.
(i)Drain, flush, and refill cooling system. This service
can be complex; you should have your dealer/retailer
perform this service. See Engine Coolant on page 5-24
for what to use. Inspect hoses. Clean radiator,
condenser, pressure cap, and filler neck. Pressure test
the cooling system and pressure cap.
(j)A fluid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired and
the fluid level checked. Add fluid if needed.(k)Inspect system. Check all fuel and vapor lines and
hoses for proper hook-up, routing, and condition. Check
that the purge valve works properly, if equipped.
Replace as needed.
(l)If you drive regularly under dusty conditions, inspect
the filter at each engine oil change.
(m)Check system for interference or binding and for
damaged or missing parts. Replace parts as needed.
Replace any components that have high effort or
excessive wear. Do not lubricate accelerator or cruise
control cables.
(n)Visually inspect belt for fraying, excessive cracks, or
obvious damage. Replace belt if necessary.
Owner Checks and Services
These owner checks and services should be performed
at the intervals specified to help ensure the safety,
dependability, and emission control performance of your
vehicle. Your dealer/retailer can assist you with these
checks and services.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
inRecommended Fluids and Lubricants on page 6-13.
6-9

At the First 100, 1,000 and 6,000
Miles (160, 1 600 and 10 000 km)
For vehicles with dual wheels, check dual wheel
nut torque. For proper torque, seeCapacities and
Specifications on page 5-116.
At Each Fuel Fill
It is important to perform these underhood checks at
each fuel fill.
Engine Oil Level Check
Notice:It is important to check the engine oil
regularly and keep it at the proper level. Failure to
keep the engine oil at the proper level can cause
damage to the engine not covered by your warranty.
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil (Gasoline Engine)
on page 5-15.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL®
coolant mixture if necessary. SeeEngine Coolant
on page 5-24.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the windshield
washer fluid reservoir and add the proper fluid if
necessary.
At Least Once a Month
Tire Ination Check
Inspect your vehicle’s tires and make sure they are
inflated to the correct pressures. Do not forget to check
the spare tire. SeeInflation - Tire Pressure on
page 5-64. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-82.
Tire Wear Inspection
Tire rotation may be required for high mileage highway
drivers prior to the Engine Oil Life System service
notification. Check the tires for wear and, if necessary,
rotate the tires. SeeTire Inspection and Rotation
on page 5-71.
6-10

F
Filter
Engine Air Cleaner......................................5-20
Finish Damage.............................................5-106
Fixed Mast Antenna........................................3-88
Flashers, Hazard Warning.................................. 3-6
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-81
Flat Tire, Changing.........................................5-82
Flat Tire, Storing.............................................5-97
Fluid.............................................................5-21
Power Steering...........................................5-35
Windshield Washer......................................5-36
Front Axle......................................................5-48
Fuel............................................................... 5-5
Additives...................................................... 5-7
California Fuel.............................................. 5-6
E85 (85% Ethanol)........................................ 5-8
Filling a Portable Fuel Container....................5-12
Filling the Tank...........................................5-10
Fuels in Foreign Countries.............................. 5-9
Gage.........................................................3-43
Gasoline Octane........................................... 5-6
Gasoline Specifications.................................. 5-6
Regulator...................................................2-23
Fuses
Engine Compartment Fuse Block.................5-112
Floor Console Fuse Block...........................5-110Fuses (cont.)
Fuses and Circuit Breakers.........................5-109
Windshield Wiper.......................................5-109
G
Gage
Engine Coolant Temperature.........................3-36
Fuel..........................................................3-43
Oil Pressure...............................................3-41
Speedometer..............................................3-27
Voltmeter Gage...........................................3-34
Gasoline
Octane........................................................ 5-6
Specifications............................................... 5-6
Glass, Enhanced Technology............................2-17
GM Mobility Reimbursement Program.................. 7-6
H
Hazard Warning Flashers................................... 3-6
Headlamp Wiring...........................................5-109
Headlamps....................................................5-50
Bulb Replacement.......................................5-50
Daytime Running Lamps...............................3-15
Exterior Lamps............................................3-14
Flash-to-Pass............................................... 3-9
Front Turn Signal, Sidemarker and
Parking Lamps.........................................5-52
5

Headlamps (cont.)
Halogen Bulbs............................................5-50
High/Low Beam Changer................................ 3-9
On Reminder..............................................3-15
Heater...........................................................3-19
Highbeam On Light.........................................3-43
Highway Hypnosis...........................................4-14
Hill and Mountain Roads..................................4-15
Hood
Checking Things Under................................5-12
Release.....................................................5-13
Horn............................................................... 3-6
How to Wear Safety Belts Properly...................1-15
I
Ignition Positions.............................................2-20
Infants and Young Children, Restraints...............1-32
Inflation - Tire Pressure...................................5-64
Instrument Panel
Overview..................................................... 3-4
Instrument Panel (I/P)
Brightness..................................................3-16
Cluster.......................................................3-26
J
Jump Starting.................................................5-41
K
Keyless Entry System....................................... 2-3
Keys............................................................... 2-2
L
Labeling, Tire Sidewall.....................................5-56
Lamps
Dome........................................................3-17
Dome Lamp Override...................................3-17
Reading.....................................................3-17
Lap-Shoulder Belt...........................................1-22
LATCH System
Child Restraints...........................................1-39
Light
Airbag Off..................................................3-30
Airbag Readiness........................................3-29
Antilock Brake System Warning.....................3-35
Brake System Warning.................................3-34
Charging System.........................................3-33
Cruise Control.............................................3-42
Highbeam On.............................................3-43
Malfunction Indicator....................................3-38
Oil Pressure...............................................3-42
Passenger Airbag Status Indicator..................3-31
Safety Belt Reminders..................................3-28
Security.....................................................3-42
6

Mirrors (cont.)
Outside Heated Mirrors................................2-35
Outside Manual Mirror..................................2-33
Outside Power Mirrors..................................2-34
MP3 .............................................................3-81
MyGMLink.com................................................ 7-4
N
Navigation System, Privacy..............................7-18
New Vehicle Break-In......................................2-20
Noise Control System, Tampering......................5-48
O
Odometer......................................................3-27
Odometer, Trip...............................................3-27
Off-Road Recovery..........................................4-10
Oil
Engine.......................................................5-15
Pressure Gage............................................3-41
Pressure Light.............................................3-42
Oil, Engine Oil Life System..............................5-18
Older Children, Restraints................................1-29
Online Owner Center........................................ 7-4
OnStar, Privacy..............................................7-18
Other Warning Devices...................................... 3-6Outlet Adjustment............................................3-22
Outlets
Accessory Power.........................................3-18
Outside
Camper-Type Mirrors....................................2-33
Convex Mirror.............................................2-34
Heated Mirrors............................................2-35
Manual Mirror.............................................2-33
Power Mirrors.............................................2-34
Owner Checks and Services.............................. 6-9
Owners, Canadian............................................... ii
P
Paint, Damage..............................................5-106
Park Brake....................................................2-28
Park (P)
Shifting Into................................................2-29
Shifting Out of............................................2-30
Parking
Over Things That Burn.................................2-31
Passenger Airbag Status Indicator.....................3-31
Passenger Sensing System..............................1-69
Passing.........................................................4-10
PASS-Key
®III+..............................................2-18
PASS-Key®III+ Operation................................2-18
Perchlorate Materials Requirements, California...... 5-4
8