113
Brake system
If the power brakes are not working, the brake pedal must be pressed
approximately four times harder than usual to make up for the lack of
power assistance. This can happen for example when towing your vehi-
cle or if the engine is switched off when the vehicle is rolling. The brake
pedal feels harder than usual.
Water on brake discs and brake pads affects
braking
Driving in rain and slush or passing through an automatic car wash can
cause water to collect on the brake discs and pads. This will cause a
delay in braking effect when the pedal is depressed. To avoid such a
delay when the brakes are needed, depress the pedal occasionally when
driving through rain, slush etc. This will remove the water from the
brakes. Check that brake application feels normal. This should also be
done after washing or starting in very damp or cold weather.
Severe strain on the brake system
The brakes will be subject to severe strain when driving in mountains or
hilly areas or towing. Vehicle speed is usually slower, which means that
the cooling of the brakes is less efficient than when driving on level
roads. To reduce the strain on the brakes, shift into a lower gear and let
the engine help with the braking. Do not forget that, if you are towing a
trailer, the brakes will be subjected to a greater than normal load.
BRAKE
Brake circuit malfunction
The brake system is a hydraulic system consisting of two master cylin-
ders and two separate brake circuits. If a problem should occur in one of
these circuits, it is still possible to stop the car with the other brake cir-
cuit.
If the brake pedal must be depressed farther than normal and requires
greater foot pressure, the stopping distance will be longer.
A warning light in the instrument panel will light up to warn the driver
that a fault has occurred.
If this light comes on while driving or braking, stop immediately and
check the brake fluid level in the reservoir.
NOTE:
Press the brake pedal hard and maintain pressure on the pedal
do
not
pump the brakes.
WARNING!
If the fluid level is below the MIN mark in the reservoir: DO NOT
DRIVE. Tow the car to a Volvo retailer and have the brake system
inspected.
NOTE:
When the car is at a standstill and the engine is idling, e.g. at a
traffic light and the brake pedal is depressed, the pedal may go down
slightly. This is normal and is caused by an built-in function in the
power brake system.
Power brakes function only when the engine
is running
The power brakes utilize vacuum pressure which is only created when
the engine is running. Never let the vehicle roll to a stop with the engine
switched off.
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