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Occasional brake noise is normal and often does not indicate a
performance concern with the vehicle's brake system. In normal
operation, automotive brake systems may emit occasional or intermittent
squeal or groan noises when the brakes are applied. Such noises are
usually heard during the first few brake applications in the morning;
however, they may be heard at any time while braking and can be
aggravated by environmental conditions such as cold, heat, moisture,
road dust, salt or mud. If a "metal-to-metal," "continuous grinding" or
"continuous squeal" sound is present while braking, the brake linings
may be worn-out and should be inspected by a qualified service
technician.
Know the required stopping distances for all driving conditions that may
be encountered. For longer brake lining life, take full advantage of engine
braking power when coming to a stop.
WARNING: Do not drive with your foot resting on the brake
pedal. This will result in abnormally high brake temperatures,
excessive lining wear and increased stopping distances.
Before descending a long or steep hill, shift to a lower gear and avoid
continuous application of the brakes. Normally, choose the same gear to
descend the hill that you would use to ascend the hill.
WARNING: Continuous application of the brakes will cause the
brakes to overheat, resulting in a temporary loss of braking.
If brakes do not grip well
• If you have been driving through deep water, gently apply the brakes
several times while the vehicle is moving slowly.
• Let the brakes cool if you have been using them excessively, as in
mountain driving or after several fast, high speed stops.
• Check brake adjustment.
• Check brake linings for excessive wear.
• Check system air pressure. (Air brakes only)
2009 F-650/750 (f67)
Supplement
USA (fus)
Driving
99
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