1999 GMC SAVANA engine

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6-29
What to Add
When you do need brake fluid, use only DOT
-3 brake
fluid. Refer to ªRecommended Fluids and Lubricantsº
in the Index. Use new brake fluid from a sealed
container only.
Always clean the brake fluid reservoir cap and the area
around the cap before removing it. This will help keep
dirt from entering the reservoir.
CAUTION:
With the wrong kind of fluid in your brake
system, your brakes may not work well, or they
may not even work at all. This could cause a
crash. Always use the proper brake fluid.
NOTICE:

Using the wrong fluid can badly damage
brake system parts. For example, just a few
drops of mineral
-based oil, such as engine
oil, in your brake system can damage brake
system parts so badly that they'll have to be
replaced. Don't let someone put in the
wrong kind of fluid.

If you spill brake fluid on your vehicle's
painted surfaces, the paint finish can be
damaged. Be careful not to spill brake fluid
on your vehicle. If you do, wash it off
immediately. See ªAppearance Careº in
the Index.
Brake Wear
Your vehicle has front disc brakes and rear drum brakes.
Disc brake pads have built
-in wear indicators that make a
high
-pitched warning sound when the brake pads are worn
and new pads are needed. The sound may come and go or
be heard all the time your vehicle is moving (except when
you are pushing on the brake pedal firmly).

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6-31 Replacing Brake System Parts
The braking system on a vehicle is complex. Its many
parts have to be of top quality and work well together if
the vehicle is to have really good braking. Your vehicle was
designed and tested with top
-quality GM brake parts. When
you replace parts of your braking system
-- for example,
when your brake linings wear down and you have to have
new ones put in
-- be sure you get new approved GM
replacement parts. If you don't, your brakes may no longer
work properly. For example, if someone puts in brake
linings that are wrong for your vehicle, the balance between
your front and rear brakes can change
-- for the worse. The
braking performance you've come to expect can change in
many other ways if someone puts in the wrong replacement
brake parts.
Battery
Your new vehicle comes with a maintenance free
ACDelco
battery. When it's time for a new battery, get
one that has the replacement number shown on the
original battery's label. We recommend an
ACDelco battery.
If you have a diesel engine, you have two batteries. The
primary battery is located on the passenger's side of the
engine compartment. The second battery is located on
the driver's side frame rail.
Vehicle Storage
If you're not going to drive your vehicle for 25 days or
more, remove the black, negative (
-) cable from the
battery. This will help keep your battery from
running down.
CAUTION:
Batteries have acid that can burn you and gas
that can explode. You can be badly hurt if you
aren't careful. See ªJump Startingº in the Index
for tips on working around a battery without
getting hurt.
Contact your dealer to learn how to prepare your vehicle
for longer storage periods.
Also, for your audio system, see ªTheft
-Deterrent
Featureº in the Index.

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6-59
Vehicle Identification Number (VIN)
This is the legal identifier for your vehicle. It appears on
a plate in the front corner of the instrument panel, on the
driver's side. You can see it if you look through the
windshield from outside your vehicle. The VIN also
appears on the Vehicle Certification and Service Parts
labels and the certificates of title and registration.
Engine Identification
The 8th character in your VIN is the engine code. This
code will help you identify your engine, specifications
and replacement parts.
Service Parts Identification Label
You'll find this label on the front passenger door frame.
It's very helpful if you ever need to order parts. On this
label is:

your VIN,

the model designation,

paint information and

a list of all production options and
special equipment.
Be sure that this label is not removed from the vehicle.

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6-64 Engine Compartment Fuse Relay Center
The fuse block is on the driver's side of the engine
compartment at the rear.
NAME CIRCUITS PROTECTED
BLOWER Front Blower Motor
ABS Electronic Brake Control ModuleNAME CIRCUITS PROTECTED
IGN B Ignition Switch
IGN A Starter Relay, Ignition Switch
BATT Instrument Panel Fuse Block
LIGHTING Instrument Panel Fuse Block,
Headlamp Switch
RR BLOWER Rear Auxiliary Blower Motor
Relays
ENG
-I Heated O2 Sensors, Mass Air
Flow Sensor, EGR Valve
Solenoid, Evap Canister Purge
Valve, Crankshaft Position Sensor,
Secondary Air Injection Relay
(Diesel), Water in Fuel Sensor
(Diesel), Fuel Heater (Diesel),
Glowplug Relay (Diesel),
Wastegate Solenoid (Diesel)
A/C Air Conditioning Clutch Relay
SPARE Spare Fuses
AUX A Upfitter Provisions
AUX B Upfitter Provisions

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6-65
NAME CIRCUITS PROTECTED
RH
-HDLP Right-hand Headlamp
(Export only)
RH
-HIBM Right-hand High-beam Headlamp
(Export only)
ECM
-I Ignition Coil, Camshaft Position
Sensor, VCM, Fuel Injectors,
Coil Driver
HORN Horn Relay, Underhood Lamp(s)
LH
-HDLP Left-hand Headlamp
(Export only)
LH
-HIBM Left-hand High-beam Headlamp
(Export only)
FUEL SOL PCM, Fuel Solenoid Driver,
Engine Shutoff Solenoid
IGN
-E Air Conditioning Clutch Relay
ECM
-B Fuel Pump Relay, VCM, PCM,
Fuel Pump and Engine Oil
Pressure Switch
Replacement Bulbs
LAMP OR BULB QTY NUMBER
Sealed Beam Headlamps 2 H6054
Composite Low
-Beam
Headlamps2 6052
Composite High
-Beam
Headlamps2 9005
Front Sidemarker Lamp 2 194
Front Parking and Turn
Lamp4 2357NA
Rear Parking Lamp 2 3057
Rear Stop and Turn Lamp 2 3057
Back
-up Lamp2 3156
Back
-up Lamp2 1156
Rear Parking, Stop, and
Turn Lamp2 1157
CHMSL 2 921
License Plate Lamp 1 194
Underhood Lamp 1 232
Reel Lamp 1 232
Reading Lamps 6
211
-2
Sunshade Vanity Mirror 4 74

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6-66
Capacities and Specifications
Replacement Parts
Replacement part numbers listed in this section are based on the latest information available at the time of printing,
and are subject to change. If a part listed in this manual is not the same as the part used in your vehicle when it was
built, or if you have any questions, please contact your GM dealer.
These specifications are for information only. If you have any questions, see the service manual for the chassis or
refer to the body manufacturer's publications.
See refrigerant charge label under the hood for charge capacity information and requirements.
Engine Identification -- Gasoline Engines
EngineªVORTECº 4300 ªVORTECº 5000 ªVORTECº 5700 ªVORTECº 7400
Type V6 V8 V8 V8
VIN Code W M R J
Fuel System CSFI
1CSFI1CSFI1SFI2
Spark Plug
Gap0.060 inches
(1.52 mm)0.060 inches
(1.52 mm)0.060 inches
(1.52 mm)0.060 inches
(1.52 mm)
Firing Order
1
-6-5-4-3-21-8-4-3-6-5-7-21-8-4-3-6-5-7-21-8-4-3-6-5-7-2
1Central Sequential Fuel Injection
2Sequential Fuel Injection

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6-67 Wheel Nut Torque
MODEL TORQUE
All
140 lb
-ft (190 N´m)
Cooling System Capacity (Approximate)
ENGINE VIN QTY Without Rear Heater QTY With Rear Heater
ªVORTECº 4300 V6 W 11.0 Quarts (10.4 L) 14.0 Quarts (13.2 L)
ªVORTECº 5000 V8 M 17.0 Quarts (16.0 L) 20.0 Quarts (18.9 L)
ªVORTECº 5700 V8 R 17.0 Quarts (16.0 L) 20.0 Quarts (18.9 L)
ªVORTECº 7400 V8 J 23.0 Quarts (21.8 L) 26.0 Quarts (24.6 L)
After refill, the level MUST be checked as outlined under ªEngine Cooling Systemº in Section 5.
Crankcase Capacity (Approximate)
ENGINE VIN Quantity With Filter
ªVORTECº 4300 V6 W 4.5 Quarts (4.3 L)
ªVORTECº 5000 V8 M 5.0 Quarts (4.8 L)
ªVORTECº 5700 V8 R 5.0 Quarts (4.8 L)
ªVORTECº 7400 V8 J 6.0 Quarts (5.6 L)
After refill, the level MUST be rechecked. Add enough engine oil so that the fluid is within the proper operating
range. Variation in oil filter size and oil cooler drainback can cause different fill levels. See ªEngine Oilº in the Index.
*Add one additional quart for RPO 5Z1 and RPO KL5 Models.

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6-68 Fuel Tank Capacity (Approximate)
TYPE QUANTITY MODEL TYPE
Standard Tank 31.0 Gallons (117.3 L) Passenger and Cargo
Standard Tank 33.0 Gallons (124.9 L) Cab and Chassis
Optional Tank* 55.0 Gallons (208.1 L) Cab and Chassis
* 159º, 177º Wheelbase Vehicles Only.
Normal Maintenance Replacement Parts
EngineªVORTECº 4300
V6ªVORTECº 5000
V8ªVORTECº 5700
V8ªVORTECº 7400
V8
VIN W M R J
Oil Filter PF52 PF1218 PF1218 PF454
Air Cleaner Filter * A917C A917C A917C A917C
PCV Valve CV769C CV769C CV769C CV774C
Spark Plugs
41
-932 41-932 41-932 41-933
Fuel Filter GF481 GF481 GF481 GF481
Radiator Cap RC36 RC36 RC36 RC36
* Replace with AC Air Filter, Part No. A917C and for severe dusty conditions, use AC Air Filter, Part No. 1236C.