2000 GMC SAVANA heater

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6-23
CAUTION:
Adding only plain water to your cooling system
can be dangerous. Plain water, or some other
liquid like alcohol, can boil before the proper
coolant mixture will. Your vehicle's coolant
warning system is set for the proper coolant
mixture. With plain water or the wrong mixture,
your engine could get too hot but you wouldn't
get the overheat warning. Your engine could
catch fire and you or others could be burned. Use
a 50/50 mixture of clean, drinkable water and
DEX
-COOL
coolant.
NOTICE:
If you use an improper coolant mixture, your
engine could overheat and be badly damaged.
The repair cost wouldn't be covered by your
warranty. Too much water in the mixture can
freeze and crack the engine, radiator, heater core
and other parts.
If you have to add coolant more than four times a year,
have your dealer check your cooling system.
NOTICE:
If you use the proper coolant, you don't have to
add extra inhibitors or additives which claim to
improve the system. These can be harmful.

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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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6-67 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.