2007 GMC SAVANA check engine

MaintenanceI— Use MaintenanceIif the
change engine oil light comes on within 10 months
since the vehicle was purchased or MaintenanceII
was performed.MaintenanceII— Use MaintenanceIIif the
previous service performed was MaintenanceI.
Always use MaintenanceIIwhenever the message
comes on 10 months or more since the last
service or if the message has not come on at all
for one year.
Scheduled Maintenance
Service MaintenanceIMaintenanceII
Change engine oil and filter. SeeEngine Oil (Gasoline Engine) on page 297.
Reset oil life system. SeeEngine Oil Life System (Gasoline Engine) on
page 300.An Emission Control Service.••
Lubricate chassis components.See footnote #.••
Visually check for any leaks or damage.See footnote (j).••
Inspect engine air cleaner filter. If necessary, replace filter. SeeEngine Air
Cleaner/Filter on page 302.See footnote (l).•
Rotate tires and check inflation pressures and wear. SeeTire Inspection and
Rotation on page 351and “Tire Wear Inspection” inAt Least Once a Month
on page 406.••
Inspect brake system.See footnote (a).••
400

Scheduled Maintenance (cont’d)
Service MaintenanceIMaintenanceII
Check engine coolant and windshield washer fluid levels and add fluid
as needed.••
Perform any needed additional services. See “Additional Required Services”
in this section.••
Inspect suspension and steering components.See footnote (b).•
Inspect engine cooling system.See footnote (c).•
Inspect wiper blades.See footnote (d).•
Inspect restraint system components.See footnote (e).•
Lubricate body components.See footnote (f).•
Check transmission fluid level and add fluid as needed.•
Inspect shields, vehicles with GVWR above 10,000 lbs (4 536 kg) only.
See footnote (g).•
Inspect throttle system.See footnote (m).•
401

(h)Change automatic transmission uid and lter
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, ush, and rell cooling system. This
service can be complex; you should have
your dealer perform this service. See Engine
Coolant on page 306 for what to use. Inspect
hoses. Clean radiator, condenser, pressure cap,
and ller neck. Pressure test the cooling
system and pressure cap.
(j)A uid loss in any vehicle system could indicate
a problem. Have the system inspected and
repaired and the uid level checked. Add uid 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 lter 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 GM
Goodwrench
®dealer 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 409.
405

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 Specications on page 393.
At Each Fuel Fill
It is important to perform these underhood checks
at each fuel ll.
Engine Oil Level Check
Check the engine oil level and add the proper oil
if necessary. SeeEngine Oil (Gasoline Engine)
on page 297for further details.
Notice:It is important to check your oil
regularly and keep it at the proper level.
Failure to keep your engine oil at the proper
level can cause damage to your engine
not covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary. See
Engine Coolant on page 306for further details.
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
Visually inspect your vehicle’s tires and make sure
they are inflated to the correct pressures. Do not
forget to check the spare tire. SeeInation - Tire
Pressure on page 348. Check to make sure the
spare tire is stored securely. SeeChanging a Flat
Tire on page 360.
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 351.
406

At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough
room around the vehicle.
2. Firmly apply both the parking brake and the
regular brake. SeeParking Brake on
page 128.
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
vehicle should start only in PARK (P) or
NEUTRAL (N). If the vehicle starts in any
other position, contact your GM Goodwrench
®
dealer for service.
Automatic Transmission Shift Lock
Control System Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough
room around the vehicle. It should be parked
on a level surface.
2. Firmly apply the parking brake. SeeParking
Brake on page 128.
Be ready to apply the regular brake
immediately if the vehicle begins to move.
3. With the engine off, turn the ignition to RUN,
but do not 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), contact
your GM Goodwrench
®dealer for service.
407

Ignition Transmission Lock Check
While parked, and with the parking brake set, try
to turn the ignition to LOCK in each shift lever
position.
•The ignition should turn to LOCK only when
the shift lever is in PARK (P).
•The ignition key should come out only in LOCK.
Contact your GM Goodwrench
®dealer if service is
required.
Parking Brake and Automatic
Transmission Park (P) Mechanism Check
{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 running, shift to
PARK (P). Then release the parking brake
followed by the regular brake.
Contact your GM Goodwrench
®dealer if service is
required.
Underbody Flushing Service
At least every spring, use plain water to flush any
corrosive materials from the underbody. Take
care to clean thoroughly any areas where mud and
other debris can collect.
408

C
Calibration................................................... 134
California Fuel............................................. 289
California Proposition 65 Warning................ 286
Canadian Owners........................................... 3
Capacities and Specifications...................... 393
Carbon Monoxide......................132, 254, 266
Care of
Safety Belts............................................. 380
Your Cassette Tape Player....................... 224
Your CD Player........................................ 226
Your CDs ................................................. 226
Cargo Door Relocking................................. 109
Center High-Mounted Stoplamp (CHMSL).... 336
Center Passenger Position,
Safety Belts........................................ 33, 34
Chains, Tire................................................. 359
Charging System Light................................ 174
Check
Engine Light............................................ 178
Gages Warning Light............................... 185
Checking Things Under the Hood................ 294
Chemical Paint Spotting.............................. 384Child Restraints
Child Restraint Systems............................. 47
Infants and Young Children........................ 44
Lower Anchors and Tethers for Children....... 54
Older Children........................................... 41
Securing a Child Restraint in a
Center Seat Position.............................. 66
Securing a Child Restraint in a
Rear Outside Seat Position or the
Second Row Center Seat Position .......... 63
Securing a Child Restraint in the
Right Front Seat Position................. 68, 72
Where to Put the Restraint........................ 51
Chime Level Adjustment .............................. 226
Cigarette Lighter.......................................... 159
Cleaning
Aluminum Wheels.................................... 382
Exterior Lamps/Lenses............................. 381
Fabric/Carpet........................................... 378
Finish Care.............................................. 381
Inside of Your Vehicle .............................. 377
Instrument Panel, Vinyl, and Other
Plastic Surfaces.................................... 379
Tires........................................................ 383
441

Door (cont.)
Rear Door Security Locks........................ 110
Rear Doors.............................................. 114
Sliding Side Door..................................... 111
Driver
Position, Safety Belt................................... 22
Driving
At Night................................................... 244
City.......................................................... 248
Defensive................................................. 228
Drunken................................................... 229
Freeway................................................... 249
Hill and Mountain Roads.......................... 252
In Rain and on Wet Roads...................... 245
Rocking Your Vehicle to Get it Out.......... 258
Winter...................................................... 254
Dual Tire Operation..................................... 350
E
Electrical System
Add-On Equipment................................... 387
Engine Compartment Fuse Block............. 390
Floor Console Fuse Block........................ 388
Fuses and Circuit Breakers...................... 387Electrical System (cont.)
Headlamp Wiring..................................... 387
Windshield Wiper Fuses........................... 387
Engine
Air Cleaner/Filter...................................... 302
Battery..................................................... 323
Change Engine Oil Light.......................... 183
Check and Service Engine Soon Light........ 178
Coolant.................................................... 306
Coolant Heater......................................... 124
Coolant Temperature Gage...................... 178
Drive Belt Routing.................................... 412
Engine Compartment Overview ................ 296
Exhaust................................................... 132
Fan Noise................................................ 317
Fuel Regulator......................................... 124
Oil ........................................................... 297
Oil Life System........................................ 300
Overheating............................................. 309
Reduced Power Light............................... 184
Starting.................................................... 122
Entry Lighting.............................................. 157
Event Data Recorders (EDR)...................... 430
Exit Lighting................................................ 157
Extender, Safety Belt..................................... 40
Exterior Lamps............................................ 154
443