2011 GMC SAVANA Owner's Manual

Black plate (33,1)GMC Savana Owner Manual - 2011
Vehicle Care 10-33
What to Use
Refer toRecommended Fluids and
Lubricants on page 11‑7 to
determine what kind of lubricant
to use.
Rear Axle
When to Check Lubricant
Refer to the Maintenance Schedule
to determine how often to check the
lubricant. See Scheduled
Maintenance on page 11‑3.
How to Check Lubricant
To get an accurate reading, the
vehicle should be on a level
surface.
If you have the 1500 Series, the
proper level is from 15 mm (5/8 in) to
40 mm (1 5/8 in) below the bottom of
the fill plug hole. The proper level
for the 2500 and 3500 Series is
from 0 to 6 mm (1/4 in) below the
bottom of the fill plug hole. Add only
enough fluid to reach the proper
level.
What to Use
Refer to Recommended Fluids and
Lubricants on page 11‑7 to
determine what kind of lubricant
to use.
Noise Control System
The following information relates to
compliance with federal noise
emission standards for vehicles with
a Gross Vehicle Weight Rating
(GVWR) of more than 4 536 kg
(10,000 lbs). The Maintenance
Schedule provides information on
maintaining the noise control system
to minimize degradation of the noise
emission control system during the
life of the vehicle. The noise control
system warranty is given in the
vehicle warranty booklet.
These standards apply only to
vehicles sold in the United States.

Black plate (34,1)GMC Savana Owner Manual - 2011
10-34 Vehicle Care
Federal law prohibits the following
acts or the causing thereof:
1. The removal or renderinginoperative by any person,
other than for purposes of
maintenance, repair or
replacement, of any device or
element of design incorporated
into any new vehicle for the
purpose of noise control, prior to
its sale or delivery to the ultimate
purchaser or while it is in use; or
2. The use of the vehicle after such device or element of design has
been removed or rendered
inoperative by any person. Among those acts presumed to
constitute tampering are the acts
listed below.
Insulation:
.Removal of the noise shields or
any underhood insulation.
Engine:
.Removal or rendering engine
speed governor, if the vehicle
has one, inoperative so as to
allow engine speed to exceed
manufacturer specifications.
Fan and Drive:
.Removal of fan clutch, if the
vehicle has one, or rendering
clutch inoperative.
.Removal of the fan shroud, if the
vehicle has one. Air Intake:
.Removal of the air cleaner
silencer.
.Modification of the air cleaner.
Exhaust:
.Removal of the muffler and/or
resonator.
.Removal of the exhaust pipes
and exhaust pipe clamps.
Fuel Operated Heater
(FOH) —Diesel Engine:
.Removal of the muffler.

Black plate (35,1)GMC Savana Owner Manual - 2011
Vehicle Care 10-35
Starter Switch Check
{WARNING
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be sure there is enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular brake.
See Parking Brake on
page 9‑36.
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 P (Park) or N (Neutral).
If the vehicle starts in any other
position, contact your dealer for
service.
Automatic Transmission
Shift Lock Control
Function Check
{WARNING
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be sure there is enough room
around the vehicle. It should be
parked on a level surface. 2. Firmly apply the parking brake.
See Parking Brake on
page 9‑36.
Be ready to apply the regular
brake immediately if the vehicle
begins to move.
3. With the engine off, turn the ignition on, but do not start the
engine. Without applying the
regular brake, try to move the
shift lever out of P (Park) with
normal effort. If the shift lever
moves out of P (Park), contact
your dealer for service.

Black plate (36,1)GMC Savana Owner Manual - 2011
10-36 Vehicle Care
Ignition Transmission
Lock Check
While parked, and with the parking
brake set, try to turn the ignition to
LOCK/OFF in each shift lever
position.
.The ignition should turn to
LOCK/OFF only when the shift
lever is in P (Park).
.The ignition key should come
out only in LOCK/OFF.
Contact your dealer if service is
required.
Park Brake and P (Park)
Mechanism Check
{WARNING
When you are doing this check,
the vehicle could begin to move.
You or others could be injured
and property could be damaged.
Make sure there is room in front
of the 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 the transmission in
N (Neutral), slowly remove foot
pressure from the regular brake
pedal. Do this until the vehicle is
held by the parking brake only.
.To check the P (Park)
mechanism's holding ability:
With the engine running, shift to
P (Park). Then release the
parking brake followed by the
regular brake.
Contact your dealer if service is
required.

Black plate (37,1)GMC Savana Owner Manual - 2011
Vehicle Care 10-37
Wiper Blade Replacement
Windshield wiper blades should be
inspected for wear and cracking.
SeeScheduled Maintenance on
page 11‑3 for more information on
wiper blade inspection.
Replacement blades come in
different types and are removed in
different ways. To remove the type
with a release clip, do the following:
1. Lift the wiper arm until it locks into a vertical position.
2. Press down on the blade
assembly pivot locking tab. Pull
down on the blade assembly to
release it from the wiper
arm hook.
3. The insert has two notches at one end that are locked by
bottom claws of the blade
assembly. At the notched end,
pull the insert from the blade
assembly. 4. To install the new wiper insert,
slide the notched end last, into
the end with two blade claws.
Then slide the insert all the way
through the blade claws at the
opposite end.
5. Make sure that the notches are locked by the bottom claws.
Make sure that all other claws
are properly locked on both
sides of the insert slot.
6. Put the blade assembly pivot in the wiper arm hook. Pull it up
until the pivot locking tab locks
in the hook slot.
7. Carefully lower the wiper arm and blade assembly into the
windshield.

Black plate (38,1)GMC Savana Owner Manual - 2011
10-38 Vehicle Care
Bulb Replacement
For the proper type of replacement
bulbs, seeReplacement Bulbs on
page 10‑43.
For any bulb‐changing procedure
not listed in this section, contact
your dealer.
Halogen Bulbs
{WARNING
Halogen bulbs have pressurized
gas inside and can burst if you
drop or scratch the bulb. You or
others could be injured. Be sure
to read and follow the instructions
on the bulb package.
Headlamps
Composite Headlamp
A. High‐Beam Headlamp
B. Low‐Beam Headlamp To remove the headlamp assembly
from the vehicle and access the
bulbs:
1. Open the hood. See
Hood on
page 10‑4 for more information.
2. Remove the two bolts from the
headlamp assembly.
3. Lift the headlamp assembly to release the lower tabs from the
radiator support.
4. Turn the headlamp forward and upward to remove it from the
grille.

Black plate (39,1)GMC Savana Owner Manual - 2011
Vehicle Care 10-39
5. Disconnect the electricalconnector.
6. Turn the bulb counterclockwise one quarter turn to remove it
from the headlamp assembly.
7. Install the new bulb into the headlamp assembly and connect
the electrical connector.
8. Reverse the steps to reinstall the headlamp assembly. To prevent headlamp vibration
and shortened bulb life, be sure
to insert the headlamp assembly
tabs in the slots at the lower
portion of the housing.
Sealed‐Beam Headlamp
A. Headlamp retainer screws
B. Headlamp retainer
C. Sealed‐beam headlamp bulb
1. Remove the four screws (A)
from the headlamp retainer (B).
Pull the retainer (B) out and set
it aside. 2. Pull the bulb (C) forward to gain
access to the electrical
connector.
3. Disconnect the electrical
connector (B) and remove the
headlamp bulb (A).
4. Reverse Steps 1 through 3 to reinstall the headlamp.

Black plate (40,1)GMC Savana Owner Manual - 2011
10-40 Vehicle Care
Front Turn Signal,
Sidemarker, and Parking
Lamps
A. Front Parking and TurnSignal Lamp
B. Front Sidemarker Lamp To replace the front turn signal,
sidemarker, and/or parking lamp
bulb(s):
1. Use a small tool to unlatch the
outboard clip on the lamp by
pushing inboard and prying the
lamp assembly forward.
2. Remove the lamp from the grille.
3. Turn the bulb socket counterclockwise one quarter
turn and remove it from the lamp
assembly.
4. Remove the bulb from the socket by pulling it straight out.
5. Replace the bulb.
6. Turn the bulb socket clockwise to reinstall it in the lamp
assembly. 7. Reinstall the lamp assembly into
the grille until the outboard clip
snaps into place.
Taillamps
To replace a taillamp/turn signal
lamp or back‐up lamp bulb:
1. Remove the two inboard nuts
from the inside of the taillamp
assembly.