GMC 1995 Safari Owner's Manual page 190

7. By this time the coolant level inside the radiator filler neck may be
lower. If the level is lower, add more of the proper mix through the
filler neck until the level reaches the base of the filler neck.
8. Then replace the pressure cap. At any time during this procedure if
coolant begins to flow out of the filler neck, reinstall the pressure cap.
Be sure the arrows on the pressure cap line up like this.
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 every day
driving conditions the clutch is not fully 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 f
a 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.
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