Replacement Bulbs; Capacities And Specifications; Wheel Nut Torque - GMC T-Series 1999 Owner's Manual

Replacement Bulbs

It is recommended that you use an AC
whenever you need to replace one.
Before you replace any bulbs, be sure that all lamps are
off and the engine isn't running.

Capacities and Specifications

Replacement part numbers listed in this section are
based on the latest information available at the time of
printing. They are subject to later change. If a part listed
here isn't the same as the part in your vehicle when it
was built, or if you have any questions, please contact
your GM Truck dealer.
Engine Serial Number Location
Model
7.2L L6 . . . . . . Cylinder block, left rear upper corner,
7.4L V8 . . . . . . . . . . . .
chain cover, behind water pump.
6-72
R
type bulb
Location
below cylinder head.
Cylinder block, above timing
Engine Identification and Data
Engine RPO LG5
Engine Type L6
Fuel System HEUI
Firing Order - -
1 5 3
-
For tune up information on gasoline engines, refer to the
Vehicle Emission Control Label on the air cleaner
assembly. On diesel engines, see the Caterpillar
Operation & Maintenance Manual in your vehicle.

Wheel Nut Torque

Refer to "Tightening the Wheel Nuts" in the Index for
wheel nut torque information.
Cooling System Capacity
Model
7.2L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
with automatic transmission
7.4L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
with automatic transmission
Above capacities (volumes) are approximate.
LP4/L21
6.0L V8
SPFI
- - - - - - - - - -
6 2 4 1 8 4 3 6 5 7 2
R
Quarts (Liters)
32.0 (30.3)
. . . . . . . . . . 30.0 (28.4)
26.0 (23.7)
. . . . . . . . . . 24.0 (22.7)
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