flat tire FORD GRANADA 1985 Service Repair Manual

to release any pressure. When pressure has
been released, carry on unscrewing the cap
and remove it.
9Top-up to the MAX mark with the specified
coolant (see illustration).In an emergency
plain water is better than nothing, but
remember that it is diluting the proper coolant.
Do not add cold water to an overheated
engine whilst it is still hot.
10Refit the expansion tank cap securely
when the level is correct. With a sealed type
cooling system like this, the addition of
coolant should only be necessary at very
infrequent intervals. If frequent topping-up is
required, it is likely there is a leak in the
system. Check the radiator, all hoses and joint
faces for any sign of staining or actual
wetness, and rectify as necessary. If no leaks
can be found, it is advisable to have the
pressure cap and the entire system pressure-
tested by a dealer or suitably-equipped
garage, as this will often show up a small leak
not previously apparent.
Brake fluid
Be sure to use only the specified brake
hydraulic fluid, since mixing different types of
fluid can cause damage to the system. See
“Lubricants, fluids and capacities”at the
beginning of this Chapter. When adding fluid,
it is a good idea to inspect the reservoir for
contamination. The system should be drained
and refilled if deposits, dirt particles or
contamination are seen in the fluid.
11Check the brake fluid level as follows.
12With the vehicle parked on level ground
and the ignition switched off, pump the brake
pedal at least 20 times or until the pedal feels
hard.
13Open the bonnet. Switch on the ignition:
the hydraulic unit pump will be heard running.
Wait until the pump stops, then switch off the
ignition.
14The fluid level in the reservoir should now
be between the MAX and MIN marks. If
topping-up is necessary, unplug the electrical
connectors from the cap, then unscrew and
remove it (see illustration).Catch the
hydraulic fluid which will drip off the level
sensor with a piece of rag.
15Top-up with fresh brake fluid of the
specified type (see illustration).Do not
overfill. Refit and reconnect the reservoir cap
immediately.16The fluid level in the reservoir will drop
slightly as the brake pads wear down during
normal operation. If the reservoir requires
repeated replenishment to maintain the proper
level, this is an indication of a hydraulic leak
somewhere in the system, which should be
investigated immediately.
Washer fluid
17When topping-up the windscreen or rear
screen washer fluid reservoir, a screenwash
additive should be added in the quantities
recommended on the bottle.
1On later models tyres may have tread wear
safety bands, which will appear when the
tread depth reaches approximately 1.6 mm.
Otherwise, tread wear can be monitored with a
simple, inexpensive device known as a tread
depth indicator gauge (see illustration).
2Wheels and tyres should give no real
problems in use, provided that a close eye is
kept on them with regard to excessive wear or
damage. To this end, the following points
should be noted.
3Ensure that the tyre pressures are checked
regularly and maintained correctly (see
illustration). Checking should be carried out
with the tyres cold, not immediately after the
vehicle has been in use. If the pressures are
checked with the tyres hot, an apparently-high
reading will be obtained, owing to heat
expansion. Under no circumstancesshould
an attempt be made to reduce the pressures
to the quoted cold reading in this instance, or
effective under-inflation will result.
4Note any abnormal tread wear (see
illustration). Tread pattern irregularities such
as feathering, flat spots, and more wear on
one side than the other, are indications of front
wheel alignment and/or balance problems. If
any of these conditions are noted, they should
be rectified as soon as possible.
5Under-inflation will cause overheating of the
tyre, owing to excessive flexing of the casing,
and the tread will not sit correctly on the road
surface. This will cause excessive wear, not to
mention the danger of sudden tyre failure due
to heat build-up.
4Tyre checks
1•7
1
Weekly checks
3.14 Removing the brake fluid reservoir cap3.15 Topping up the brake fluid reservoir
4.1 Checking the tyre tread depth4.3 Checking tyre pressure
3.9 Topping up the cooling system
Warning: Brake hydraulic fluid
can harm your eyes and damage
painted surfaces, so use extreme
caution when handling and
pouring it. Do not use fluid that has been
standing open for some time, as it absorbs
moisture from the air. Excess moisture can
cause a dangerous loss of braking
effectiveness.If any brake fluid gets onto
paintwork, wash it off
immediately with clean water.
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