2-28
Propshaft Brake Burnish Procedure
It is recommended that the propshaft-mounted parking
brake be burnished as part of the new vehicle break
-in.
The parking brake will work best after it has been
burnished following these instructions:
Make 10 stops, using the parking brake hand lever, from
20 mph (32 km/h) about 2 1/2 miles (4 km) apart.
Between stops, drive the vehicle at 20 mph (32 km/h).
Lever Operated Parking Brake
To apply the parking brake,
pull the lever all the way up.
The PARK BRAKE light
will come on when the
parking brake is applied.
Then shift the transmission
to NEUTRAL (N)
or PARK (P).
The vehicle must be stopped when applying the parking
brake, except while burnishing the parking brake linings
(see “Propshaft Brake Burnish Procedure” in the Index).
You can easily adjust the parking brake by turning the
knob on the lever. Turning it clockwise makes the brake
grip more tightly. It will also make the lever seem harder
to pull up. Turning the knob counterclockwise makes the
parking brake apply less firmly. Adjust the parking
brake only when the lever is down (released).
If your parking brake doesn’t hold the vehicle when
applied, see your GM Truck dealer who can adjust your
parking brake properly.
To release the parking
brake, first push down the
regular brake pedal. Then,
push the parking brake lever
all the way down and shift
the automatic transmission
to NEUTRAL (N).
The PARK BRAKE light will remain illuminated if the
parking brake is not fully released.
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