1996 GMC SIERRA fuel

Long Trip/Highway Maintenance Schedblt: -- Gasoline Enginee
30,000 Miles (50 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Corztrol Service.
0 Lubricate chassis components; see footnote #
(or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints
and axle seals for leaking. :k:f:
0 For Two-Wheel-Drive vehicles only: Clean and repack the front
wheel bearings (or at
' each brake relining, whichever occurs first).
0 Replace fuel filter. An Emission Cmrd Ser-vice. 3'
0 Vehicles With GVWR Above 8,500 lbs.
Only: Inspect shields and underhood
insulation for damage or looseness. Adjust
or replace as required.
Tlzis is L[ Noise Emissiorz
Control Service.
Appliccrble only to \vhiclt~s sol~i in
the United Stutes.
0 If your engine has a thermostatically
controlled cooling fan, inspect all hoses
and ducts
for proper hook-up (or every
12 months, whichever occurs first). Be sure
the valve works properly.
This is a Noise
Emissior~
Control Service. Applicwble only to
vehicles sold in the United Stutes.
7-32
ProCarManuals.com

Con Tripmighway Maintenance Schedule -- Gasoline Engines
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; see footnote #
(or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
‘w
For Two-Wheel-Drive vehicles only: Clean
and repack
the front wheel bearings (or at
each brake relining, whichever occurs first).
0 Inspect engine accessory drive belt.
c] Replace fuel filter. AII Emissiorz Control Service.
An En?.ission Control Service.
0 Inspect fuel tank, cap and lines for damage
or leaks. Inspect
fuel cap gasket for any
damage. Replace parts as needed.
An Etnission Control Service.
c] 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. Applicdde
ouly to wkicles sold in
the United Stms.
0 If your engine has a thermostatically
controlled cooling fan, inspect all hoses
and ducts for proper hook-up (or every
12 months, whichever occurs first). Be sure
the valve works properly.
This is (7 Noise
Elnission Control Service. Applicable
only to
rvhiclps
snl~J in tlw Unitd Stms.
7-36
ProCarManuals.com

Long Tripmighway Maintenance Schedule -- Gasoline Engines
0 Conduct Exhaust Gas Recirculation (EGR)
system inspection as described
in the
service manual.
An Emissiorz Control Service. 3‘
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.
0 Conduct evaporative control system
At1 Emission Control Service. -f-
I DATE I ACTUAL MILEAGE ISERVICED BYI
67,500 Miles (112 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An E1uissim Control Service.
0 Lubricate chassis components; see footnote #
(or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking. **
0 Rotate tires. See “Tire Inspection and Rotation“
in the Index for proper rotation pattern and
additional information. During tire rotation,
check brake calipers for freedom
of movement.
Refer
to the appropriate GM service manual for
proper caliper service procedures.
I DATE I ACTUAL MILEAGE I SERVICED BY:
7-37
ProCarManuals.com

1 Long Tripmighway Maintenance Schedule -- Gasoline Engines I
82,500 Miles (137 500 km)
Change engine oil and filter (or every
12 months, whichever occurs first).
AI? Emissiorz Control Service.
0 Lubricate chassis components; see footnote #
(or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking.
**
0 Rotate tires. See ‘‘Tire Inspection and Rotation’’
in the Index for proper rotation pattern and
additional information. During tire rotation,
check brake calipers for freedom of movement. Refer to the appropriate
GM service manual for
proper caliper service procedures.
I DATE I ACTUAL MILEAGE lSERVICED BY I
90,000 Miles (150 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Cmsd Sesvice.
0 Lubricate chassis components;. see footnote #
(or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add
fluid
as needed. Check constant velocity
joints and axle seals
for leaking. **
0 For Two-Wheel-Drive vehicles only: Clean
and repack
the front wheel bearings (or at
each brake relining, whichever occurs first).
[7 Replace fuel filter. An E~zzission Corztrol Service.
(Continued)
7-39
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
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 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.
A 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.
7-42
ProCarManuals.com

Automatic Transmission Check
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 covers, and
have them repaired or replaced. (The air bag
system
does not need regular maintenance.)
Air Cleaner Filter Restriction Indicator Check
Your vehicle has an indicator on the engine that lets you
know when the air cleaner filter is dirty and needs to be
changed. Check indicator at least twice
a year or when
your
oil is changed. See “Air Cleaner” in the Index for
more information.
Manual Transmission Check
Check the transmission fluid level; add if needed. See
“Manual Transmission” in
the Index. A fluid loss may
indicate
a problem. Check the system and repair if needed. 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.
Hydraulic Clutch System Check
Check the fluid level in the clutch reservoir. See
“Hydraulic Clutch Fluid”
in the Index. A fluid loss in
this system could indicate a problem. Have the system
inspected and repaired
at once.
At Least Once a Year
Key Lock Cylinders Service
Lubricate the key lock cylinders with the lubricant
specified
in Part D.
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.
ProCarManuals.com

USAGE
Windshield
Washer Solvent
Propeller Shaft
SplineRJniversal
Joint and
Propeller Shaft
Hood Latch
Assembly,
Pivots, Spring
Anchor
and
Release Pawl ~~
Hood and Door
Hinges
FLUIDLUBRICANT ~~
GM Optikleen@ Washer Solvent
(GM Part No. 105 15 15) or
equivalent.
Chassis lubricant (GM Part
No. 1052497 or equivalent) or
lubricant meeting requirements
of
NLGI Grade 2, Category LB or
GC-LB.
Lubriplate lubricant aerosol (GM
Part No. 12346293 or equivalent)
or lubricant meeting requirements
of NLGI Grade 2, Category LB or
GC-LB.
Multi-pu ose lubricant,
Superlube
% (CM Part
No. 1234624 1 or equivalent).
USAGE
Body Door
Hinge Pins,
Tailgate Hinge
and Linkage,
Folding Seat,
Fuel Door Hinge
Tailgate Handle
Pivot Points,
Hinges, Latch
Bolt and Linkage
Weatherstrip Conditioning
Weatherstrip Squeaks
Gas Line
FLUIDLUBRICANT
~~ ~~ ~
Multi-pu ose lubricant,
Superlube
(GM Part
No. 1234624 1 or equivalent). I%
Multi-pu ose lubricant,
Superlube (GM Part
No. 12346241 or equivalent).
~~
%
Dielectric Silicone Grease (GM
Part No. 12345579 or equivalent).
Multi-pu ose lubricant,
Superlube (GM Part
No. 12346241 or equivalent).
%
Gas Line De-Icer (GM Part
No. 105 1516).
See “Replacement Parts”
in the Index for recommended
replacement filters, valves and spark plugs.
I
7-50 ..
ProCarManuals.com

Roadside Assistance
GMC Truck’s Roadside Assistance provides stranded
owners with over-the-phone roadside repairs, location
of the nearest
GMC Truck dealer or the following
special services:
Flat Tire Chulzge: Installation of spare tire will be
covered at no charge (customer is responsible for repair
or replacement
of tire).
Fuel Deliwry: Delivery of enough fuel for the customer
to get to the nearest service station (up to $4.00) will
be covered.
Junzp Stnrt: 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).
Elnergemy Towing Service: Towing to the nearest
GMC Truck dealer for warranty related disablements
will
be covered.
nip Rouring: Availability of customized trip routings
through
GMC Truck Roadside Assistance. This deluxe
computerized trip routing service
will provide highlighted
map routing, scenic or fastest route,
a listing of GMC
Truck dealers along the way, and a variety of other travel
related services.
fiip hzterruptiorz: GMC Truck Roadside Assistance will
provide reimbursement for reasonable trip interruption
expenses such as meals and lodging (up to
$500) directly
associated with
a warranty-related disablement which
requires overnight accommodations.
ProCarManuals.com