1997 CHEVROLET EXPRESS check engine

Downloaded from www.Manualslib.com manuals search engine En2 Trip/Highway Maintenance Schedule -- Gasoline Engines
67,500 Miles (112 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components (or every
12 months, whichever occurs first).
(See footnote
#.)
0 Check axle fluid level and add fluid as
needed. (See footnote
** .)
0 Rotate tires. See “Tire Inspection and
Rotation” in the Index for proper rotation
pattern and additional information.
(See footnote
+.)
75,000 Miles (125 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
0 Lubricate chassis components (or every
12 months, whichever occurs first).
(See footnote
#.)
0 Check axle fluid level and add fluid as
needed. (See footnote
** .)
An Emission Control Service.

Downloaded from www.Manualslib.com manuals search engine Long Trip/Highway Maintenance Schedule -- Gasoline Engines
m
0 Vehicles With GVWR Above 8,500 lbs.
Only: Inspect shields and underhood
insulation for damage or looseness. Adjust
or replace as required.
This is a Noise Emission
Control Service. Applicable
only to vehicles sold in
the United States.
CI Rotate tires. See “Tire Inspection and
Rotation” in the Index for proper rotation
pattern and additional information.
(See footnote
+.)
DATE ACTUAL MILEAGE SERVICED BY:
82,500 Miles (137 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
I7 Lubricate chassis components (or every
12 months, whichever occurs first).
(See footnote
#.)
0 Check axle fluid level and add fluid as
needed. (See footnote
* * .)
CI Rotate tires. See “Tire Inspection and
Rotation” in the Index for proper rotation
pattern and additional information.
(See footnote
+.)
An Emission Control Service.

Downloaded from www.Manualslib.com manuals search engine Long Tripmighway Maintenance Schedule -- Gasoline Engines
-
90,000 Miles (150 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components (or every
12 months, whichever occurs first).
(See footnote
#.)
0 Check axle fluid level and add fluid as
needed. (See footnote
**.)
0 Clean and repack the front wheel bearings
(or at each brake relining, whichever
occurs first).
(See footnoteJf.)
0 Replace fuel filter. An Emission Control Service.
0 Replace air cleaner filter.
An Emission Control Service.
0 Vehicles With GVWR Above 8,500 lbs.
Only: Inspect shields and underhood
insulation
for damage or looseness. Adjust
or replace as required.
This is a Noise Emission
Control Service. Applicable
only to vehicles sold in
the United States.
0 Rotate tires. See “Tire Inspection and
Rotation” in the Index for proper rotation
pattern and additional information.
(See footnote
+.)
DATE ACTUAL MILEAGE SERVICED BY

Downloaded from www.Manualslib.com manuals search engine 97,500 Miles (162 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
17 Lubricate chassis components (or every
12 months, whichever occurs first).
(See footnote
#.)
0 Check axle fluid level and add fluid as
needed. (See footnote
* *.)
0 Rotate tires. See “Tire Inspection and
Rotation”
in the Index for proper rotation
pattern and additional information.
(See footnote
+.)
An Emission Control Service.
I DATE I ACTUAL MILEAGE ISERVICED BY1
100,000 Miles (166 000 km)
0 Inspect spark plug wires.
0 Replace spark plugs.
0 Change automatic transmission fluid and
An Emission Con~ol Service.
filter if the vehicle’s GVWR is over
8600 lbs. or 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,
(Continued)
7-43

Downloaded from www.Manualslib.com manuals search engine Part B: Owner Checks and Services
Listed below are owner checks and services which should be performed at the intervals specified to help
ensure the safety, dependability and emission control
performance of your vehicle.
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
in Part D.
At the First 100, 1,000 and 6,000 Miles
(160,1600 and
10 000 km)
For vehicles with dual wheels, check dual wheel nut
torque. For proper torque, see “Wheel Nut Torque” in
the Index.
At Each Fuel Fill
It is important for you or a service station attendant to
pe$orm these underhood checks at each fuel
fill.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary.
See “Engine Oil” in the Index for
further details.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL@
coolant mixture if necessary. See “Engine Coolant” in the
Index for further details.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the windshield washer tank and add the proper fluid
if
necessary. See “Windshield Washer Fluid” in the Index
for further details.
At Least Once a Month
Tire Inflation Check
Make sure tires are inflated to the correct pressures. See “Tires” in the Index for further details.
Cassette Deck Service
Clean cassette deck. Cleaning should be done every
50 hours of tape play. See “Audio Systems” in the Index
for further details.

Downloaded from www.Manualslib.com manuals search engine At Least Twice a Year At Least Once a Year
Restraint System Check
Make sure- the safety belt reminder light and all your
belts, buckles, latch plates, retractors and anchorages are
working properly. Look for any other loose or damaged
safety belt system parts. If you see anything that might
keep a safety belt system from doing its job, have it
repaired. Have any torn
or frayed safety belts replaced.
Also look for any opened or broken air bag coverings,
and have them repaired
or replaced. (The air bag system
does not need regular maintenance.)
Wiper Blade Check
Inspect wiper blades for wear or cracking. Replace blade
inserts that appear worn or damaged or that streak or
miss areas of the windshield. Also
see “Wiper Blades,
Cleaning” in the Index.
Automatic Transmission Check
Check the transmission fluid level; add if needed. See
“Automatic Transmission” in the Index. A fluid loss
may indicate a problem. Check the system and repair
if needed.
Key Lock Cylinders Service
Lubricate the key lock cylinders with the lubricant
specified in Part
D.
Body Lubrication Service
Lubricate all hood hinges, hood prop rod pivot, fuel
filler door, rear compartment hinges, latches, locks and
any moving seat hardware. Part
D tells you what to use.
More frequent lubrication may be required when
exposed
to a corrosive environment.
Starter Switch Check
A CAUTION:
rn
When you are doing this check, the vehicle could
move suddenly.
If it does, you or others could be
injured. Follow the steps below.
1. Before you start, be sure you have enough room
around the vehicle.

Downloaded from www.Manualslib.com manuals search engine 2. Firmly apply both the parking brake (see “Parking Brake” in the Index if necessary) and the regular brake.
NOTE: Do not use the accelerator pedal, and be
ready
to turn off the engine immediately if it starts.
3. Try to start the engine in each gear. The starter
should work only in PARK (P) or NEUTRAL
(N). If
the starter works in any other position, your vehicle
needs service.
Brake-Tra- -mission Shift Interlock (BTSI) Check
/! CAUTION:
When you are doing this check, the vehicle could
move suddenly. If it does, you or others could be
injured. Follow the steps below.
1. Before you start, be sure you have enough room around
the vehicle.
It should be parked on a level surface.
2.
3.
Firmly apply the parking brake (see “Parking Brake”
in the Index if necessary).
NOTE: Be ready
to apply the regular brake
immediately if the vehicle begins
to move.
With the engine
off, turn the key to the RUN
position, but don’t start the engine. Without applying
the regular brake, try to move
the shift lever out
of PARK (P) with normal effort. If the shift lever
moves out of PARK
(P), your vehicle’s BTSI
needs service.
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition key
to LOCK in each shift lever position.
The key should turn to LOCK only when the shift
0 The key should come out only in LOCK.
lever is in PARK (P).

Downloaded from www.Manualslib.com manuals search engine Parking Brake and Automatic Transmission
PARK (P) Mechanism Check
I A CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front
of your vehicle in case
it begins to roll. Be ready to apply the regular
brake at once should the vehicle begin to move.
Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot
on the regular brake, set the
parking brake.
To check the parking brake’s holding ability:
With the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure from
the regular brake pedal.
Do this until the vehicle is
held by the parking brake only.
To check the PARK (P) mechanism’s holding ability:
With the engine runnine. shift
to PARK (P). Then
release all brakes.
7-48