GMC MOTORHOME 1978 User Manual

Transmission Shift
Indicator
and
Speedometer
to a maximum of
55
mph
(90
km/h) ;
but do
not drive for
long periods at any one constant
speed, either fast or slow . During this period,
avoid full throttle starts and, if possible, avoid
hard stops especially during the first 200 miles
(320 kilometres) of driving .
Always drive at moderate speed until the
engine has completely warmed up .
If you plan to use your new Motorhome for
trailer towing, see additional information on
page 10 .
AUTOMATIC TRANSMISSION
The transmission selector lever
is
located on
the right side of the steering column and the
shift indicator is located in the bottom section of
the speedometer cluster on the dash .
"PARK"-Transmission lock when parking
or while starting the engine . Pull the selector
lever towards
you to select or release this
position . Never move the selector lever to
"PARK" position unless the vehicle is com-
pletely stopped . "NEUTRAL" is the only
other position in which your vehicle may be
started .
REVERSE
"R"-For backing the
vehicle .
Bring the vehicle to a complete stop before
moving the selector lever into Reverse .
NEUTRAL "N"-The out-of-gear position .
It is provided for starting a stalled engine
while the vehicle is in motion or running the
engine while standing with brake applied .
This position is also used when the vehicle is
being towed .
DO
NOT
COAST IN NEU-
TRAL .
1 8
DRIVE RANGE "D"- The driving range for
city and highway driving . This position per-
mits the transmission
to operate through
its
complete range
of gear ratios and to select
automatically the proper ratio for road and
load conditions .
SUPER RANGE "S"-Used when super per-
formance is needed for increased acceleration
in
traffic, hill climbing, or "Engine Braking"
down-hill . The selector lever may be moved
from "D"
to "S" and vice versa, under most
operating
conditions . "SUPER" should not
be used at speeds above 75 MPH .
LOW "L"--Available for heavy pulling
through mud or sand and for engine braking
when descending steep hills . The selector lever
may be moved to "L" at any speed but the
transmission will only shift automatically
into Low range when the vehicle speed is
under approximately 40 MPH . The trans-
mission will not upshift from Low range as
long
as the selector lever is in
the "L"
position
.
CAUTION
Before
going
down a
steep
or long
grade, reduce speed and
shift the
transmission into a lower gear or
lower range to control vehicle speed,
Try not to hold the brake pedal down
too long, or too often . This could cause
the brakes
to
get hot and not work
as
-
well
.
Use caution when speeding up,
when shifting into lower gear, on'
slippery surfaces with vehicle moving .
Sudden acceleration or engine braking
action (due to shifting into a lower
gear) could cause the front wheels to
skid .
This could lead
to
loss
of
vehicle
control .
FORCEDDOWNSHIFT -When additional
acceleration
is
desired to pass moving ve-
hicles or to climb steep
grades at speeds
between approximately 35 and 65 MPH, the
transmission
can be
downshifted by depress-
ing the accelerator pedal completely to the
floor . It is also possible to obtain a forced
downshift in "DRIVE" range at speeds under
35
MPH
by depressing the
accelerator pedal
part
way down
.
TURN SIGNAL LEVER
The turn signal lever is on the left side of the
steering column .

GMC MOTORHOME 1978 Specifications

General

Brand	GMC
Model	MOTORHOME 1978
Category	Motorhomes
Language	English