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GMC 1998 Yukon - Ignition Transmission Lock Check; Parking Brake and Automatic Transmission Park (P) Mechanism Check

GMC 1998 Yukon
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Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to
LOCK
in
each shift lever position.
The key should turn to
LOCK
only when the shift
lever
is
in
PARK
(P).
The key should come
out
only in
LOCK.
Parking Brake and Automatic Transmission
PARK
(P)
Mechanism Check
,.
,
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A
CAUl
ON:
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When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front
of
your vehicle in case
it
begins to roll. Be ready to apply the regular
brake at once should the vehicle begin to move.
Park on
a
fairly steep
hill,
with
the vehicle facing
downhill. Keeping your
foot
on the regular brake,
set the parking brake.
To check the parking brake's holding ability: With
the engine running and transmission
in
NEUTRAL
(N),
slowly remove foot pressure from
the regular brake pedal.
Do
this
until
the vehicle is
held by the parking brake only.
To check the PARK
(P)
mechanism's holding ability:
With the engine running, shift to PARK
(P).
Then
release
all
brakes.
7-41

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