check engine GMC SAVANA 2010 Service Manual

Checking Brake Fluid
Check brake fluid by looking at the brake fluid reservoir.
SeeEngine Compartment Overview on page 6-14.
The fluid level should be
above MIN. If it is not,
have the brake hydraulic
system checked to
see if there is a leak.
After work is done on the brake hydraulic system,
make sure the level is above the MIN but not over the
MAX mark.
What to Add
Use only new DOT 3 brake fluid from a sealed container.
SeeRecommended Fluids and Lubricants on page 7-11.
Always clean the brake fluid reservoir cap and the
area around the cap before removing it. This helps keep
dirt from entering the reservoir.
{WARNING:
With the wrong kind of fluid in the brake hydraulic
system, the brakes might not work well. This could
cause a crash. Always use the proper brake fluid.
Notice:
Using the wrong uid can badly damage brake
hydraulic system parts. For example, just a
few drops of mineral-based oil, such as engine
oil, in the brake hydraulic system can damage
brake hydraulic system parts so badly that they
will have to be replaced. Do not let someone
put in the wrong kind of uid.
If brake uid is spilled on the vehicle’s painted
surfaces, the paint nish can be damaged. Be
careful not to spill brake uid on the vehicle.
If you do, wash it off immediately. SeeWashing
Your Vehicle on page 6-99.
6-38

{WARNING:
Fans or other moving engine parts can injure you
badly. Keep your hands away from moving parts
once the engine is running.
5. Check that the jumper cables do not have loose or
missing insulation. If they do, you could get a
shock. The vehicles could be damaged too.
Before you connect the cables, here are some
basic things you should know. Positive (+) will go to
positive (+) or to a remote positive (+) terminal if
the vehicle has one. Negative (−) will go to a heavy,
unpainted metal engine part or to a remote
negative (−) terminal if the vehicle has one.
Do not connect positive (+) to negative (−)oryou
will get a short that would damage the battery
and maybe other parts too. And do not connect the
negative (−) cable to the negative (−) terminal on
the dead battery because this can cause sparks.6. Connect the red positive (+) cable to the positive (+)
terminal of the dead battery. Use a remote
positive (+) terminal if the vehicle has one.
7. Do not let the other end touch metal. Connect it to
the positive (+) terminal of the good battery. Use a
remote positive (+) terminal if the vehicle has one.
6-43

Electrical System
Add-On Electrical Equipment
Notice:Do not add anything electrical to the
vehicle unless you check with your dealer/retailer
rst. Some electrical equipment can damage
the vehicle and the damage would not be covered
by the vehicle’s warranty. Some add-on electrical
equipment can keep other components from
working as they should.
Add-on equipment can drain the vehicle battery, even if
the vehicle is not operating.
The vehicle has an airbag system. Before attempting to
add anything electrical to the vehicle, seeServicing
Your Airbag-Equipped Vehicle on page 2-77andAdding
Equipment to Your Airbag-Equipped Vehicle on
page 2-78.
Headlamp Wiring
The headlamp wiring is protected by fuses in the engine
compartment fuse block. An electrical overload will
cause the lamps to flicker on and off, or in some cases
to remain off. If this happens, have your headlamp
wiring checked right away.
Windshield Wiper Fuses
The windshield wiper motor is protected by a circuit
breaker and a fuse. If the motor overheats due to heavy
snow, etc., the wiper will stop until the motor cools.
Although the circuit is protected from electrical overload,
overload due to heavy snow, etc., may cause wiper
linkage damage. Always clear ice and heavy snow from
the windshield before using the windshield wipers. If
the overload is caused by some electrical problem and
not snow, etc., be sure to get it fixed.
Fuses and Circuit Breakers
The wiring circuits in the vehicle are protected from
short circuits by a combination of fuses and circuit
breakers. This greatly reduces the chance of fires
caused by electrical problems.
Look at the silver-colored band inside the fuse. If the
band is broken or melted, replace the fuse. Be sure you
replace a bad fuse with a new one of the identical
size and rating.
Floor Console Fuse Block
The floor console fuse block is located under the
driver seat.
6-104

ApplicationCapacities
Metric English
Fuel Tank
Cutaway (Optional Tank)* 215.7 L 57.0 gal
Cutaway (Standard Tank) 124.9 L 33.0 gal
Passenger and Cargo 117.3 L 31.0 gal
* 159 inch (4 039 mm) wheelbase or 177 inch (4 496 mm) wheelbase only
Transmission Fluid (Pan Removal and Filter Replacement)
4-SPD 4L60-E 4.7 L 5.0 qt
6-SPD 6L90 6.0 L 6.3 qt
Wheel Nut Torque 190Y140 ft lb
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 Specications
Engine VIN Code Transmission Spark Plug Gap
4.3L V6 X Automatic 1.52 mm (0.060 in)
4.8L V8 A Automatic 1.01 mm (0.040 in)
5.3L V8 4 Automatic 1.01 mm (0.040 in)
6.0L V8 G Automatic 1.01 mm (0.040 in)
6-111

Maintenance Schedule......................................7-2
Introduction...................................................7-2
Scheduled Maintenance...................................7-3
Owner Checks and Services............................7-9Recommended Fluids and Lubricants...............7-11
Maintenance Replacement Parts.....................7-13
Engine Drive Belt Routing..............................7-14
Maintenance Record.....................................7-15
Section 7 Maintenance Schedule
7-1

Maintenance Schedule
Introduction
This maintenance section applies to vehicles with a
gasoline engine. For diesel engine vehicles, see
the maintenance schedule section in the DURAMAX
Diesel manual.
Notice:Maintenance intervals, checks, inspections,
recommended uids, and lubricants are necessary
to keep this vehicle in good working condition.
Damage caused by failure to follow scheduled
maintenance might not be covered by the vehicle
warranty.
Proper vehicle maintenance helps to keep the vehicle in
good working condition, improves fuel economy, and
reduces vehicle emissions for better air quality.
Because of all the different ways people use vehicles,
maintenance needs vary. The vehicle might need
more frequent checks and services. Please read the
information under Scheduled Maintenance. To keep the
vehicle in good condition, see your dealer/retailer.The maintenance schedule is for vehicles that:
•carry passengers and cargo within recommended
limits on the Tire and Loading Information label.
SeeLoading the Vehicle on page 5-17.
•are driven on reasonable road surfaces within legal
driving limits.
•use the recommended fuel. SeeGasoline Octane
on page 6-6.
{WARNING:
Performing maintenance work on a vehicle can be
dangerous. In trying to do some jobs, you can be
seriously injured. Do your own maintenance work
only if you have the required know-how and the
proper tools and equipment for the job. If you have
any doubt, see your dealer/retailer to have a
qualified technician do the work. SeeDoing Your
Own Service Work on page 6-4.
At your General Motors dealer/retailer, you can be
certain that you will receive the highest level of service
available. Your dealer /retailer has specially trained
7-2

service technicians, uses genuine GM replacement
parts, as well as, up to date tools and equipment
to ensure fast and accurate diagnostics.
The proper replacement parts, fluids, and lubricants to
use are listed inRecommended Fluids and Lubricants
on page 7-11andMaintenance Replacement Parts
on page 7-13. We recommend the use of genuine parts
from your dealer/retailer.
Rotation of New Tires
To maintain ride, handling, and performance of the
vehicle, it is important that the first rotation service for
new tires be performed when they have 8 000 to
13 000 km (5,000 to 8,000 miles). SeeTire Inspection
and Rotation on page 6-69.
Scheduled Maintenance
When the Change Engine Oil Soon
Message Displays
Change engine oil and filter. SeeEngine Oil on
page 6-15.An Emission Control Service.
When the Change Engine Oil Soon message displays,
service is required for the vehicle as soon as possible,
within the next 1 000 km/600 miles. If driving under
the best conditions, the engine oil life system might not
indicate the need for vehicle service for more than ayear. The engine oil and filter must be changed at least
once a year and the oil life system must be reset.
Your dealer/retailer has trained service technicians who
will perform this work and reset the system. If the
engine oil life system is reset accidentally, service the
vehicle within 5 000 km/3,000 miles since the last
service. Reset the oil life system whenever the oil is
changed. SeeEngine Oil Life System on page 6-18.
When the Change Engine Oil Soon message displays,
certain services, checks, and inspections are required.
The services described for MaintenanceIshould be
performed at every engine oil change. The services
described for MaintenanceIIshould be performed when:
•MaintenanceIwas performed the last time the
engine oil was changed.
•It has been 10 months or more since the Change
Engine Oil Soon message has displayed or since the
last service.
MaintenanceI
•Change engine oil and filter. SeeEngine Oil on
page 6-15.An Emission Control Service.
•Engine coolant level check. SeeEngine Coolant on
page 6-28.
•Windshield washer fluid level check. SeeWindshield
Washer Fluid on page 6-36.
7-3

•Tire inflation check. SeeInation - Tire Pressure on
page 6-63.
•Tire wear inspection. SeeTire Inspection and
Rotation on page 6-69.
•Rotate tires. SeeTire Inspection and Rotation on
page 6-69.
•Fluids visual leak check (or every 12 months,
whichever occurs first). A leak in any system must
be repaired and the fluid level checked.
•Engine air cleaner filter inspection (vehicles driven
in dusty conditions only). SeeEngine Air
Cleaner/Filter on page 6-19.
•Brake system inspection (or every 12 months,
whichever occurs first).
MaintenanceII
•Perform all services described in MaintenanceI.
•Steering and suspension inspection. Visual
inspection for damaged, loose, or missing parts or
signs of wear.
•Lubricate the front suspension, kingpin bushings,
steering linkage, and rear driveline center splines.
•Engine cooling system inspection. Visual inspection
of hoses, pipes, fittings, and clamps and
replacement, if needed.
•Windshield wiper blade inspection for wear,
cracking, or contamination and windshield and wiper
blade cleaning, if contaminated. SeeWindshield
and Wiper Blades on page 6-101. Worn or damaged
wiper blade replacement. SeeWindshield Wiper
Blade Replacement on page 6-54.
•Body hinges and latches, key lock cylinders, folding
seat hardware, and rear compartment hinges,
linkage, and handle pivot points lubrication. See
Recommended Fluids and Lubricants on page 7-11.
More frequent lubrication may be required when
vehicle is exposed to a corrosive environment.
Applying silicone grease on weatherstrips with a
clean cloth makes them last longer, seal better, and
not stick or squeak.
•Restraint system component check. SeeChecking
the Restraint Systems on page 2-79.
•Automatic transmission fluid level check and adding
fluid, if needed. SeeAutomatic Transmission Fluid
(4-Speed Transmission) on page 6-20or
Automatic Transmission Fluid (6-Speed
Transmission) on page 6-23.
•All-wheel drive vehicles: Transfer case fluid level
check and adding fluid, if needed.
•Engine air cleaner filter inspection. SeeEngine Air
Cleaner/Filter on page 6-19.
7-4

•Vehicles with diesel engine or GVWR above
4 536 kg (10,000 lbs) only: Shields inspection
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.
Additional Required Services
At the First 160 km/100 Miles, 1 600 km/
1,000 Miles, and 10 000 km/6,000 Miles
•
For vehicles with dual wheels: Check dual wheel nut
torque. For proper torque, seeCapacities and
Specications on page 6-110.
At Each Fuel Stop
•
Engine oil level check. SeeEngine Oil on
page 6-15.
•Engine coolant level check. SeeEngine Coolant on
page 6-28.
•Windshield washer fluid level check. SeeWindshield
Washer Fluid on page 6-36.
Once a Month
•
Tire inflation check. SeeInation - Tire Pressure on
page 6-63.
•Tire wear inspection. SeeTire Inspection and
Rotation on page 6-69.
Once a Year
•
Starter switch check. SeeOwner Checks and
Services on page 7-9.
•Parking brake and automatic transmission P (Park)
mechanism check. SeeOwner Checks and
Services on page 7-9.
•Automatic transmission shiftlock control system
check. SeeOwner Checks and Services on
page 7-9.
•Ignition transmission lock check. SeeOwner
Checks and Services on page 7-9.
•Engine cooling system and pressure cap pressure
check. Radiator and air conditioning condenser
outside cleaning. SeeCooling System on
page 6-26.
•Exhaust system and nearby heat shields inspection
for loose or damaged components.
•Throttle system inspection for interference, binding
or 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.
First Engine Oil Change After Every
40 000 km/25,000 Miles
•
Fuel system inspection for damage or leaks.
7-5

First Engine Oil Change After Every
80 000 km/50,000 Miles
•
Engine air cleaner filter replacement. SeeEngine
Air Cleaner/Filter on page 6-19.
•Automatic transmission fluid change (severe
service) for vehicles mainly driven in heavy
city traffic in hot weather, in hilly or mountainous
terrain, when frequently towing a trailer, or used for
taxi, police, or delivery service. SeeAutomatic
Transmission Fluid (4-Speed Transmission)
on page 6-20orAutomatic Transmission Fluid
(6-Speed Transmission) on page 6-23.
•All-wheel drive only: Transfer case fluid change
(severe service) for vehicles mainly driven when
frequently towing a trailer, or used for taxi, police, or
delivery service. Check vent hose at transfer
case for kinks and proper installation. Check to be
sure vent hose is unobstructed, clear, and free
of debris. During any maintenance, if a powerwasher is used to clean mud and dirt from the
underbody, care should be taken to not directly
spray the transfer case output seals. High pressure
water can overcome the seals and contaminate
the transfer case fluid. Contaminated fluid will
decrease the life of the transfer case and should be
replaced.
•Evaporative control system inspection. Check all
fuel and vapor lines and hoses for proper hook-up,
routing, and condition. Check that the purge
valve, if the vehicle has one, works properly.
Replace as needed.An Emission Control Service.
The U.S. Environmental Protection Agency or
the California Air Resources Board has determined
that the failure to perform this maintenance item
will not nullify the emission warranty or limit
recall liability prior to the completion of the vehicle’s
useful life. We, however, urge that all recommended
maintenance services be performed at the
indicated intervals and the maintenance be
recorded.
7-6