GMC 2009 Yukon XL Owner's Manual page 520

Engine
4.8L V8
5.3L V8 Flexible Fuel with
Active Fuel Management™
(Iron Block)
5.3L V8 Flexible Fuel with
Active Fuel Management™
(Aluminum Block)
5.3L V8 with Active Fuel
Management™ (Iron Block)
6.0L V8 (Iron Block)
6.0L V8 with Active
Fuel Management™
(Aluminum Block)
6.2L V8 Flexible Fuel
(Aluminum Block)
5-124
Engine Specifications
VIN Code
C
0
3
J
K
Y
2
Transmission
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Spark Plug Gap
0.040 in (1.01 mm)
0.040 in (1.01 mm)
0.040 in (1.01 mm)
0.040 in (1.01 mm)
0.040 in (1.01 mm)
0.040 in (1.01 mm)
0.040 in (1.01 mm)