GMC Sierra Classic 2007 Owner's Manual page 607

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Transfer Case Fluid

Wheel Nut Torque

After reﬁll, the level must be rechecked. Add enough engine coolant so that the ﬂuid is within the proper

operating range.

VORTEC™ 4.3L V6

VORTEC™ 4.8L V8

VORTEC™ 5.3L V8 Flex Fuel

VORTEC™ 5.3L V8

VORTEC™ 6.0L V8

VORTEC™ 8.1L V8

Engine Speciﬁcations

Transmission

Spark Plug Gap

0.060 inches (1.52 mm)

0.040 inches (1.01 mm)

0.060 inches (1.52 mm)

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