fuel GMC SIERRA 1997 Service Manual

I Long Trip/Highway Maintenance Schedule -- Gasoline Engines I -
60,000 Miles (100 000 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
#.)
Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
(See footnote
**.)
0 For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
0 Rotate tires. See “Tire Inspection and
Rotation” in the Index for proper rotation
pattern and additional information.
(See footnote
+.)
0 Inspect engine accessory drive belt.
0 Replace fuel filter. An Emission Control Service.
(See footnote?.)
0 Inspect fuel tank, cap and lines for damage
or leaks. Inspect fuel cap gasket for any
damage. Replace parts
as needed.
An Emission Control Service. (See footnote?.)
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.
An
Emission Control Service.
7-38
ProCarManuals.com

Long Tripmighway Maintenance Schedule -- Gasoline Engines I
0 Conduct Exhaust Gas Recirculation (EGR)
system inspection as described
in the
service manual.
An Emission Corztrol Service.
(See footnote?.)
inspection. 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.
An Emission Control Service. (See footnote ?.)
0 Conduct evaporative control system
DATE
SERVICED BY ACTUAL MILEAGE
67,500 Miles (112 500 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 readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking. (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 ACTUALMILEAGE I SERVICED BY I
7-39
ProCarManuals.com

I Long Tripmighway Maintenance Schedule -- Gasoline Engines
90,000 Miles (150 000 km) (Continued)
0 Replace fuel filter. An Emission Control Service.
(See footnote?.)
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
+.)
97,500 Miles (162 500 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 readfront axle fluid level and add
fluid
as needed. Check constant velocity
joints and axle seals for leaking.
(See footnote
**.)
-.
DATE ACTUAL MILEAGE SERVICED BY
7-42
ProCarManuals.com

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 ~1 service station attendant to
per$orm these underhood
checks ut eachjbtelfiE1.
Engine Oil Level Check Engine Coolant Level Check
Check the
engine coolant level and add the proper
coolant mix 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.
Check
the engine oil level and add the proper oil if
necessary. See “Engine Oil” in the Index for
further details.
7-45
ProCarManuals.com

Body Lubrication Service
Lubricate all fuel doors, body hood and body door
hinges, tailgate and tailgate handle pivot points, latches,
locks and folding 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:
When you are doing this check, the vehicle could
move suddenly.
If it does, you or others could be
injured. Follow the steps below.
3. On automatic transmission vehicles, 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.
On manual transmission vehicles, put
the shift lever
in NEUTRAL (N), push the clutch down halfway
and try
to start the engine. The starter should work
only when the clutch
is pushed down all the way to
the floor. If the starter works when the clutch isn’t
pushed all the way down, your vehicle needs service.
1. Before you start, be sure you have enough room
2. Firmly apply both the parking brake (see “Parking
around the vehicle.
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.
Brake-’Ikansmission Shift Interlock (BTSI) Check
(Automatic Transmission)
I A 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.
7-47
ProCarManuals.com

USAGE
Hood Latch
Assembly,
Pivots, Spring
Anchor and
Release Pawl
~~ ~ ~~
Hood and Door
Hinges
Body Door
Hinge Pins,
Tailgate Hinge and Linkage,
Folding Seat and
Fuel Door Hinee
FLUID/LUBRICANT
Lubriplate lubricant aerosol
(GM Part
No. 12346293 or
equivalent) or lubricant meeting
requirements
of NLGI # 2,
Category LB or GC-LB.
Multi-purpose lubricant, Superlube@ (GM
Part No. 12346241
or equivalent).
Multi-purpose lubricant, Superlube@
(GM Part No. 12346241
or equivalent).
I USAGE
Tailgate Handle Pivot Points,
Hinges, Latch
Bolt and L.inkage
Weatherstrip
Squeaks
See “Replacement
replacement filters
FLUID/LUBRICANT
Multi-Pwpose lubricant, Superlube@
(GM
Part No. 12346241
or equivalent).
Dielectric Silicone Grease (GM
Part
No. 12345579 or equivalent).
Multi-purpose lubricant, Superlube
@
(GM Part No. 12346241
or euuivalent).
’arts” in the Index for recommended
valves and spark plugs.
7-53
ProCarManuals.com

Roadside Assistance
1
GMC’s Roadside Assistance provides stranded owners
with over-the-phone roadside repairs, location of the
nearest
GMC dealer or the following special services:
FZat Tire Change: Installation of spare tire will be
covered at no charge (customer is responsible for repair
or replacement of tire).
Fuel Delivery: Delivery of enough fuel for the customer
to get to the nearest service station (up to
$4.00) will
be covered.
Jump Start: No-start situations which require a battery
jump start will be covered at no charge.
Lock Out: Replacement keys or locksmith service will
be covered at no charge if you are unable to gain entry
into your vehicle. Delivery of
the replacement key will
be covered at no charge within
10 miles (16 km).
Emergency Towing Service: Towing to the nearest
GMC dealer for warranty related disablements will
be covered.
ProCarManuals.com

Electrical System ............................... 6-70
Engine
.................................. 6-10. 6-12
Electrochromic
Daymight Rearview Mirror
.......... 2-48
Coolant
..................................... 6-29
Coolant Heater
............................... 2- 14
Coolant Level Check
.......................... 7-45
Coolant Temperature Gage
..................... 2-72
Cooling System Capacity
....................... 6-78
Exhaust
..................................... 2-32
FuseBlocks
............................ 6-71, 6-73
Identification
................................ 6-69
OilLevelCheck
.............................. 7-45
Overheating
................................. 5-11
Running While Parked
......................... 2-32
Specifications
................................ 6-76
StartingYour
................................ 2-13
Underhood Fuse/Relay Center
................... 6-73
Engineoil
.................................... 6-15
Adding
..................................... 6-15
Additives
................................... 6-18
Checking
................................... 6-15
Used
....................................... 6-18
Whentochange
.............................. 6-18
Exhaust. Engine
................................ 2-32
Pressure Gage
................................ 2-75
Fabric Cleaning
............................... 6-60
Fan Control. Climate Control System ............ 3.2. 3.3
Fender Marker Lamp
Bulb Replacement ............. 6-44
FillingYourTank
................................ 6-5
Filter. Air ..................................... 6-19
Finish Care
.................................... 6-64
Finish Damage
................................. 6-66
Flashers. Hazard Warning
......................... 5-2
Flat Tire. Changing
............................. 5-22
Fluid Capacities
................................ 6-78
Fluids and Lubricants
............................ 7-51
Fog Lamps
.................................... 2-45
Foreign Countries. Fuel
........................... 6-4
Four-wheel Drive
......................... 2-22. 6-27
French LanguageManual
11
Front Axle .................................... 6-28
Front Axle Locking Feature
....................... 2-23
FrontTowing
.................................. 5-10
Front Turn Signal Lamp Bulb Replacement ..... 6-42. 6-43
Fuel
.......................................... 6-3
Filling Your Tank
.............................. 6-5
Gage ....................................... 2-78
In Foreign Countries ........................... 6-4
Tank Capacity
............................... 6-78
Fuses and Circuit Breakers
....................... 6-71
FusibleLinks
.................................. 6-71
.. ...........................
bages Engine Coolant Temperature
.................... 2-72
Engine Oil Pressure
........................... 2-75 "
Fuel ....................................... 2-78
Speedometer
................................. 2-65
Tachometer
.................................. 2-65
Voltmeter
................................... 2-70
9-4
ProCarManuals.com

Service Station Checkpoints
ENGINE COOLANT RECOVERY TANK
P5-13
and 6-29* TIRES P6-50
P5-3
BATTERY and 6-39 IF //< j;- { /,
ENGINE OIL DIPSTICK I1
P6-15*
SECONDARY
HOOD RELEASE
P6-9
WINDSHIELD
WASHER FLUID
P6-33
I
HOOD RELEASE
P6-9
FUEL DOOR
P6-5
For detailed information, refer to the page number listed, or see the Index in the back of the owner’s manual.
* For vehicles equipped with diesel engines, see the Diesel Engine Supplement.
9-12
ProCarManuals.com