Chevrolet C6H042, Owner'S Manual

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6-74
Capacities and Specifications
Engine Identification and Data
Engine RPO LG5 L18
Engine Type 7.2L L6 8.1L V8
Fuel System HEUI SPFI
Firing Order
1
-
5
-
3
-
6
-
2
-
4 1
-
8
-
7
-
2
-
6
-
5
-
4
-
3
Cooling System Capacity
Model Quarts (Liters)
7.2L with manual transmission 32.0 (30.0) . . . . . . . .
7.2L with automatic transmission 30.0 (28.4) . . . . . .
8.1L with manual transmission 26.5 (25.0) . . . . . . . .
8.1L with automatic transmission with
sloped hood 24.5 (23.0) . . . . . . . . . . . . . . . .
8.1L with automatic transmission with
specialty hood 26.5 (25.0) . . . . . . . . . . . . . .
Above capacities (volumes) are approximate.
Crankcase Capacity
Capacities (volumes) shown are for normal refill. Add
oil as indicated when the oil filter element is changed.
Capacities given are approximate
--
keep level within
the operating range. Do not operate with fluid level
below the ADD line.
Engine
Capacity
--
Quarts (Liters)
7.2L** 21 (19.0)*
8.1L** 6.5 (6.1)
*Additional oil is required with auxiliary oil filter
systems. Make sure to add enough extra oil to fill the
auxiliary oil filter system. For vehicles equipped with
the LUBERFINER 750
-
C, add 14 quarts (13.25 L).
** Check fill level on the oil indicator after initial fill to
make sure it is actually full. Oil level may vary
depending on vehicle option content.
Extending the recommended oil change interval requires
the use of an infrared oil analysis program which shows
the condition of the oil and its additives. For more
information, consult your GM Truck dealer, who is an
authorized Caterpillar
R
engine dealer.