Steering - GMC 1999 Sierra 1500 Pickup Owner's Manual

Rear Drum Brakes
If you have rear drum brakes, they don't have the wear indicators, but if you
ever hear a rear brake rubbing noise, have the rear brake lining inspected.
Also, the rear brake drums should be removed and inspected each time the
tires are removed for rotation or changing. When you have the front brakes
replaced, have the rear brakes inspected, too.
Brake linings should always be replaced as complete axle sets.
Brake Pedal Travel
See your dealer if the brake pedal does not return to normal height, or if
there is a rapid increase in pedal travel. This could be a sign of brake
trouble.
Brake Adjusiment
Every time you make a brake stop, your disc brakes adjust for wear. If your
brake pedal goes down farther than normal, your rear drum brakes may need
adjustment. Adjust them by backing up and firmly applying the brakes a few
times.
Braking In Emergencies
At some time, nearly every driver gets into a situation that requires hard
braking. You have the rear wheel anti-lock braking system. Your front wheels
can stop rolling when you brake very hard. Once they do, the vehicle can't
respond to your steering. Momentum will carry it in whatever direction it was
headed when the wheels stopped rolling. That could be off the road, into the
very thing you were trying to avoid, or into traffic.
So, use a "squeeze" braking technique. This will give you maximum braking
while maintaining steering control. You do this by pushing on the brake pedal
with steadily increasing pressure. When you do, it will help maintain steering
control. In many emergencies, steering can help you more than even the very
best braking.
Steering
Power Sieerhg
If you lose power steering assist because the engine stops or the system
fails to function, you can steer but it will take much more effort.
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