Engine Fan Noise
This vehicle has a clutched engine
cooling fan. When the clutch is engaged,
the fan spins faster to provide more air
to cool the engine. In most everyday
driving conditions the clutch is not
engaged. This improves fuel economy
and reduces fan noise. Under heavy
vehicle loading, trailer towing and/or
high outside temperatures, the fan speed
increases when the clutch engages.
So
you may hear an increase in fan noise.
This is normal and should not be
mistaken as the transmission slipping or
making extra shifts. It is merely the
cooling system functioning properly.
The fan will slow down when additional
cooling is not required and the clutch
disengages. You may also hear this fan
noise when you start the engine. It will
go away
as the fan clutch disengages.
I Ifa Tire Goes Flat
It’s unusual for a tire to “blow out”
while you’re driving, especially if you
maintain your tires properly. If air goes
out of a tire, it’s much more likely to
leak out slowly. But if you should ever
have a “blowout,” here are a few tips
about what to expect and what to do:
If a front tire fails, the flat tire
will
create a drag that pulls the vehicle
toward that side. Take your foot
off the
accelerator pedal and grip the steering
wheel firmly. Steer to maintain lane
position, then gently brake to a stop
well out of the traffic lane.
A rear blowout, particularly on a curve,
acts much like a skid and may require
the same correction you’d use in a skid.
In any rear blowout, remove your foot
from the accelerator pedal. Get the
vehicle under control by steering the
way you want the vehicle to go. It may
be very bumpy and noisy, but you can
still steer. Gently brake to a stop, well
off the road if possible.
If a tire goes
flat, the next section shows
how to use your jacking equipment to
change a flat tire safely.
I Changing a Flat Tire
If a tire goes flat, avoid further tire and
wheel damage by driving slowly to a
level place. Turn
on your hazard
warning flashers.
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