1999 GMC SUBURBAN oil type

2-86 ENGINE OVERHEATED
This message is displayed
when the cooling system
temperature gets too hot.
This message will be displayed after the air conditioning
system has automatically turned off for the engine
coolant protection mode. See ªEngine Overheatingº
in the Index for further information.
REDUCED ENGINE POWER
This message is displayed
when the cooling system
temperature gets too hot
and the engine further
enters the engine coolant
protection mode.
See ªEngine Overheatingº in the Index for
further information.
CHECK ENG OIL PRESSURE
This message is displayed
when the engine oil pressure
is low.
See ªOil Pressure Gageº in the Index for more information.
CHECK ENG OIL LEVEL
This message is displayed
when the engine oil level
is low.
Once oil is added, it may need time to drain and settle in
the engine before this message will turn off. It is best to
let the engine cool down (if it is hot) or warm up (if it is
cold) and cycle the ignition to be sure this message turns
off. Refer to the dipstick for the correct level.
See ªEngine Oilº in the Index on how to check the oil
level and for what type of oil to add.

6-66 Crankcase Capacity (Approximate)
After refill, the level must be rechecked. Add enough engine oil so that the fluid is within the proper operating range.
See ªEngine Oilº in the Index.
Engine VIN
Quantity with Filter

VORTEC 4800 V8 V 6.0 quarts (5.7 L)
VORTEC 5300 V8 T 6.0 quarts (5.7 L)
VORTEC 6000 V8 U 6.0 quarts (5.7 L)

Oil filter should be changed at every oil change.
Fuel Tank Capacity (Approximate)
Type Quantity
4 Door Utility 26.0 U.S. gallons (98.4 L)
Suburban/Yukon XL (1500 Series) 32.5 U.S. gallons (123.0 L)
Suburban/Yukon XL (2500 Series) 38.5 U.S. gallons (147.6 L)

6-67
Normal Maintenance 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.
VIN Code V T U
Oil Filter* PF59 PF59 PF59
Engine Air Cleaner/Filter*
A1519C
A1519C
A1518C
Passenger Compartment Air Filter Kit** 52485513 52485513 52485513
PCV Valve* CV948C CV948C CV948C
Spark Plugs*


41
-952 41-952 41-952
Fuel Filter* GF626 GF626 GF626
Wiper Blades (Front) ** 15706394 15706394 15706394
Wiper Blade Type (Front) ITTA ITTA ITTA
Wiper Blade Length (Front) 22 inches (56.0 cm) 22 inches (56.0 cm) 22 inches (56.0 cm)
Wiper Blades (Rear) ** 22154396 22154396 22154396
Wiper Blade Type (Rear) ITTA ITTA ITTA
Wiper Blade Length (Rear) 18 inches (45.0 cm) 18 inches (45.0 cm) 18 inches (45.0 cm)
*AC part number
**GM part number

A1518C high
-capacity air cleaner filter may be substituted.


Spark Plug Gap is 0.060 inches