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GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-12146167) -
2019 - CRC - 11/26/18
Vehicle Care 233
1.Battery - North America 0253.
2. Radiator Pressure Cap. See Cooling System 0244.
3. Coolant Recovery Tank. See Cooling System 0244.
4. Engine Cooling Fan (Out of View). See Cooling System
0 244.
5. Engine Air Cleaner/Filter 0242. 6. Engine Oil Dipstick. See
“Checking Engine Oil” under
Engine Oil 0235.
7. Engine Oil Fill Cap. See “When
to Add Engine Oil” under
Engine Oil 0235.
8. Power Steering Fluid Reservoir. See Power Steering
Fluid 0249. 9.
Engine Compartment Fuse
Block 0264.
10. Brake Master Cylinder Reservoir. See Brake Fluid
0 252.
11. Windshield Washer Fluid Reservoir. See “Adding Washer
Fluid” under Washer Fluid
0 250.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-12146167) -
2019 - CRC - 11/26/18
Vehicle Care 235
1.Battery - North America 0253.
2. Radiator Pressure Cap. See Cooling System 0244.
3. Coolant Recovery Tank. See Cooling System 0244.
4. Automatic Transmission Fluid Dipstick. See “Checking the
Fluid Level” underAutomatic
Transmission Fluid (6-Speed
Transmission) 0238 or
Automatic Transmission Fluid
(8-Speed Transmission) 0241.
5. Engine Oil Fill Cap. See “When
to Add Engine Oil” under
Engine Oil 0235.
6. Engine Oil Dipstick. See “Checking Engine Oil” under
Engine Oil 0235.
7. Engine Cooling Fan (Out of View). See Cooling System
0 244.
8. Engine Air Cleaner/Filter 0242.
9. Power Steering Fluid Reservoir. See Power Steering
Fluid 0249. 10.
Engine Compartment Fuse
Block 0264.
11. Brake Master Cylinder Reservoir. See Brake Fluid
0 252.
12. Windshield Washer Fluid Reservoir. See “Adding Washer
Fluid” under Washer Fluid
0 250.
Engine Oil
For diesel engine vehicles, see
“Engine Oil” in the Duramax diesel
supplement.
To ensure proper engine
performance and long life, careful
attention must be paid to engine oil.
Following these simple, but
important steps will help protect
your investment:
. Use engine oil approved to the
proper specification and of the
proper viscosity grade. See
“Selecting the Right Engine Oil”
in this section. .
Check the engine oil level
regularly and maintain the
proper oil level. See “Checking
Engine Oil” and“When to Add
Engine Oil” in this section.
. Change the engine oil at the
appropriate time. See Engine Oil
Life System 0237.
. Always dispose of engine oil
properly. See “What to Do with
Used Oil” in this section.Checking Engine Oil
Check the engine oil level regularly,
every 650 km (400 mi), especially
prior to a long trip. The engine oil
dipstick handle is a loop. See
Engine Compartment Overview
0232 for the location.
{Warning
The engine oil dipstick handle
may be hot; it could burn you.
Use a towel or glove to touch the
dipstick handle.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-12146167) -
2019 - CRC - 11/26/18
240 Vehicle Care
warm or hot will give a more
accurate reading of the fluid level
than a cold check.
Because the vehicle is equipped
with a high-efficiency air-to-oil
cooler, the transmission fluid
temperature may not reach the
required hot fluid level checking
temperature under normal lightly
loaded driving vehicle conditions.
Checking the Fluid Level
Prepare the vehicle:1. Park the vehicle on a level place. Keep the engine
running.
2. With the parking brake applied, place the shift lever in P (Park).
3. With a foot on the brake pedal, move the shift lever through
each gear range, pausing for
about three seconds in each
range. When M is reached,
move the selector from M1
through M3. Then, position the
shift lever in P (Park).
4. Let the engine run at idle for two minutes or more. Then, without shutting off the
engine, use the steps that follow.
The transmission dipstick is near
the center of the engine
compartment and will be labeled
with the graphic shown.
See
Engine Compartment Overview
0 232 for more information on
location.
1. COLD Range
2. WARM Range
3. HOT Range
1. Flip the handle up, pull out the dipstick, and wipe it with a
clean rag or paper towel.
2. Push it back in all the way, wait three seconds, and pull it back
out again.
3. Check both sides of the dipstick, and read the lower
level. The fluid level must be in
the COLD (1) range for a cold
check, transmission
temperature 27 °C to 32 °C
(80 °F to 90 °F); between the
COLD (1) and HOT (3) range
for a WARM (2) check, 50 °C to
60 °C (122 °F to 140 °F); or in
the HOT (3) cross-hatched
range for a hot check, 71 °C to
93 °C (160 °F to 200 °F). Be
sure to keep the dipstick
pointed down to get an
accurate reading.
4. If the fluid level is in the acceptable range, push the
dipstick back in all the way;
then flip the handle down to
lock the dipstick in place.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-12146167) -
2019 - CRC - 11/26/18
Vehicle Care 241
How to Add Automatic
Transmission Fluid
Refer toRecommended Fluids and
Lubricants 0327 to determine what
kind of transmission fluid to use.
1. WARM Range
2. HOT Range
Using a funnel, add fluid down the
transmission dipstick tube only after
checking the transmission fluid
while it is warm or hot. A cold check
is used only as a reference. If the
fluid level is low, add only enough of
the proper fluid to bring the level up
to the middle of the WARM (1) or
HOT (2) range depending on the
ambient temperature and prior
driving conditions. Refer to “How to
Check Automatic Transmission
Fluid” earlier in this section for
instructions on driving to achieve warm or hot transmission fluid.
It does not take much fluid,
generally less than 0.5 L (1 pt). Do
not overfill.
Caution
Use of the incorrect automatic
transmission fluid may damage
the vehicle, and the damage may
not be covered by the vehicle
warranty. Always use the correct
automatic transmission fluid. See
Recommended Fluids and
Lubricants
0327.
. After adding fluid, recheck the
fluid level as described under
“How to Check Automatic
Transmission Fluid,” earlier in
this section.
. When the correct fluid level is
obtained, push the dipstick back
in all the way; then flip the
handle down to lock the dipstick
in place.
Automatic Transmission
Fluid (8-Speed
Transmission)
When to Check and Change
Automatic Transmission Fluid
It is usually not necessary to check
the transmission fluid level. The only
reason for fluid loss is a
transmission leak or overheated
transmission. This vehicle is not
equipped with a transmission fluid
level dipstick. There is a special
procedure for checking and
changing the transmission fluid in
these vehicles. Because this
procedure is difficult, this should be
done at the dealer. Contact the
dealer for additional information or
the procedure can be found in the
service manual. See Publication
Ordering Information 0344.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-12146167) -
2019 - CRC - 11/26/18
Vehicle Care 243
5. Install the top cover by sliding itinto position on the housing
base, and secure using eight
screws.
6.0L V8 Engine
1. Retaining Clips
2. Housing Base
3. Housing Cover
To inspect and replace the filter:
1. Unlock the two retaining clips (1) on the sides of the
housing cover (3) and on the
housing base (2) and pull the
cover off. 2. Remove the air cleaner/filter
from the housing base. Take
care to dislodge as little dirt as
possible.
3. Clean the air cleaner/filter sealing surface and
housing base.
4. Install the engine air cleaner/ filter by aligning the arrow on
one side of the air cleaner/filter
end cap with the arrow on top
of the housing base.
5. Install the housing cover by aligning the arrow on top of the
cover to the arrow on top of the
housing base, and fasten the
two retaining clips.
See Maintenance Schedule 0319 to
determine when to replace the
engine air cleaner/filter.
{Warning
Operating the engine with the air
cleaner/filter off can cause you or
others to be burned. Use caution
when working on the engine. Do
not start the engine or drive the
vehicle with the air cleaner/filter
off, as flames may be present if
the engine backfires.
Caution
If the air cleaner/filter is off, dirt
can easily get into the engine,
which could damage it. Always
have the air cleaner/filter in place
when driving.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-12146167) -
2019 - CRC - 11/26/18
Vehicle Care 247
How to Add Coolant to the
Radiator
{Warning
Steam and scalding liquids from a
hot cooling system are under
pressure. Turning the pressure
cap, even a little, can cause them
to come out at high speed and
you could be burned. Never turn
the cap when the cooling system,
including the pressure cap, is hot.
Wait for the cooling system and
pressure cap to cool.
If coolant is needed, add the proper
mixture directly to the radiator, but
be sure the cooling system is cool
before this is done.
1. Remove the radiator pressure cap when the cooling system,
including the radiator pressure
cap and upper radiator hose, is
no longer hot. Turn the
pressure cap slowly
counterclockwise until it first
stops. Do not press down while
turning the pressure cap.
If a hiss is heard, wait for that
to stop. A hiss means there is
still some pressure left.
2. Keep turning the pressure cap, but now push down as you turn
it. Remove the pressure cap.
3. Fill the radiator with the proper mixture, up to the base of the
filler neck. See Recommended
Fluids and Lubricants 0327 for
more information about the
proper coolant mixture.
4. Remove the coolant recovery
tank cap and fill to the COLD
FILL mark.
5. Reinstall the cap back on the coolant recovery tank, but
leave the radiator pressure
cap off.
6. Start the engine and let it run until the upper radiator hose
can be felt getting hot. Watch
out for the engine cooling fan.
7. By this time, the coolant level inside the radiator filler neck
may be lower. If the level is
lower, add more of the proper

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-12146167) -
2019 - CRC - 11/26/18
256 Vehicle Care
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.
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. Apply both the parking brake
and the regular brake.
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. Apply the parking brake. 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.
Ignition Transmission
Lock Check
While parked, and with the parking
brake set, try to turn the ignition off
in each shift lever position.
.The ignition should turn to off
only when the shift lever is in
P (Park).
. The ignition key should come
out only when the ignition is off.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-12146167) -
2019 - CRC - 11/26/18
260 Vehicle Care
Front Turn Signal,
Sidemarker, and Parking
Lamps
1. Front Parking and TurnSignal Lamp
2. 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 nutsfrom the inside of the taillamp
assembly.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-12146167) -
2019 - CRC - 11/26/18
Vehicle Care 261
2. The third nut (3) is under theapplique piece (2) above the
lamp. Remove the two inboard
applique nuts. Pull the
applique (2) straight rearward
slightly to clear the studs. Then
rotate the applique (2) just far
enough to gain access to the
outer push pins (1).
3. Carefully disconnect the push pins (1) from the applique
bracket.
4. Remove the third nut (3) from the upper outboard side of
the lamp. 5. Remove the taillamp assembly
from the vehicle.
6. Remove the taillamp/turn signallamp (1) or back-up lamp (2)
bulb socket by turning it
counterclockwise one-quarter
turn and pulling it out of the
lamp assembly.
7. Remove the bulb by pulling it straight out.
8. Push the new bulb into the socket.
9. Reinstall the bulb socket by turning it clockwise into the
lamp assembly. 10. Reverse Steps 1–5 to reinstall
the taillamp assembly and
applique.
Center High-Mounted
Stoplamp (CHMSL)
The Center High-Mounted Stoplamp
(CHMSL) is above the rear doors at
the center of the vehicle.
To replace a bulb:
1. Remove the two screws fromthe CHMSL assembly.
2. Remove the CHMSL assembly.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-12146167) -
2019 - CRC - 11/26/18
262 Vehicle Care
3. Turn the bulb socketcounterclockwise one-quarter
turn to remove it from the lamp
assembly.
4. Pull the old bulb straight out of the socket and push the new
bulb into the socket.
5. Turn the bulb socket clockwise one-quarter turn to install it in
the lamp assembly.
6. Reinstall the CHMSL assembly and two screws.
Do not block or damage the CHMSL
when items are loaded on the roof
of the vehicle.License Plate Lamp
1. Bulb Socket
2. License Plate Bulb Assembly
3. Screws
To replace one of these bulbs:
1. Remove the screws (3) that secure the license plate bulb
assembly (2).
2. Turn the bulb socket (1) counterclockwise and pull the
bulb straight out of the socket.
3. Install the new bulb.
4. Reverse Steps 1 and 2 to reinstall the license plate bulb
assembly.