Chevrolet 1979 Light Duty Truck Owner's Manual page 39

R
�·�
Four-Speed
On vehicles equipped with this transmission the gearshift lever extends
to the left and rearward from the transmission cover mound at center
of the floor. This lever is used to shift the transmission gears to the
desired position.
Part Time Four Wheel D rive (Manual
Transmission On ly)
Free Wheeling Hubs
With free wheeling hubs do not use All Wheel Drive (4L) or (4H)
unless hubs are in the "LOCK" position. Operation in a partially
engaged position could cause serious damage to the hub lock.
Transfer case must be shifted to 2-H before unlocking hubs. Moving
your vehicle a few inches in either direction will relieve pressure against
gears if controls do not move freely USE ONLY FINGERS TO
MOVE HAND CONTROL.
Tra nsfer Case Operation
The transfer case for conventional (part-time) four wheel drive vehicles
provides that the driver may select two wheel or four wheel drive at
any time. (See Free Wheeling Hub Section.) Conventional four wheel
drive is available only with manual transmissions. Free wheeling hubs
are used with this system.
L
2
3
2-9
2
3
R