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A good working air conditioner is a
must during the Summer, especially
when the humidity is high.
The most common cause of the air
conditioner to stop working is the
refrigerant is low.
This could be caused from a leak
somewhere in the system.

If your car is older than 1995, then you
need to have your refrigerant checked
out by a licensed professional who
knows how to dispose of or recycle R-12.
In some states, it's illegal to refill
a leaky system with R-12.

The good news is, even the older cars
can be easily retrofitted to use the
newer, safer type of refrigerant
called R-134a.

The air conditioning system is filled
with high pressure refrigerant,
and operates at or over 200 psi,
which could be very dangerous.
Plus, parts of the A.C. system can
reach well over 150 degrees.

Even if you are a Do-it-Yourselfer,
we recommend that you have
your mechanic service and recharge
your A.C.

If it is low on refrigerant, however, you
can recharge it using a recharge kit
you can purchase at your local
auto parts store.

If you service your A.C. yourself, be sure
to exercise proper safety precautions.
Always wear eye protection when servicing
air conditioning systems or handling
And wear protective Chemical Resistant
gloves to prevent PAG lubricant contact
with the skin.

PAG oil, or Polyalkylene Glycol, is a
synthetic oil specifically designed for
automotive air conditioner compressors.
It is used in R-134a air conditioning
systems to lubricate the compressor.

To help avoid skin contact, mineral
oil should be used to coat o-rings
and seals prior to installation.
PAG lubricants can also cause damage
to paint, plastic parts, engine drive
belts and coolant hoses.

Don't allow refrigerants to come in
contact with open flames and high
temperature surfaces.

Avoid breathing refrigerant and
lubricant vapor or mist.
Exposure may irritate eyes, nose
and throat.

Never add anything but the
refrigerant to
the A.C. system.

If you experience any of these

problems, check with your mechanic
for professional advice or service.

The A.C. doesn't cool the car to a
comfortable temperature.

The dash controls don't
work when operated.

When the fan/blower works, it's
louder than usual.

The blower doesn't work when set
in A.C. mode.

There's loud noises when the heat or
A.C. is turned on.

Visible signs of Refrigerant oil stain by
the compressor, hoses, pipes or

The car runs hot or overheats when
A.C. is on.

The engine cooling fan quickly cycles
on and off.

The heater, top and side vents, or
don't work.

Blocked air flow through the
Condenser and Radiator.

The windows fog up when the defroster
is turned on.

The car stalls or idles roughly when
the A.C. is turned on.

There's water on the car's floor.

Maintaining your A.C. -

Turn the fan on high with the coldest
settings once a week for about 10
Doing this will help maintain the gas
pressure and keep the compressor
working properly and the seals
from failing.
Try to do it throughout the year,
even during the Winter, to keep the air
conditioner working.

Running the defroster is also important
to prevent mildew and other odors and
clear away any excess moisture in the
Run the defroster for about 10
minutes every week.

Check the exterior grills under the
Look for any leaves and other debris.
Taking the time to clear these things
away will prevent them from getting
sucked into the air conditioning
system and clogging it.
Also, open the hood and check the
Use a hose to clean out debris that
could clog the condenser and make it
less effective.

Don't Pre-Cool your car.

If the interior is really hot, turn the
fan on high when you start driving,
and open just the rear windows for
about 10 to 20 seconds.
This forces all the hot air out of
the car.
Your car air conditioning works better
when you're driving, because the
faster the engine turns, the faster the
A.C. compressor runs, which lets the
system cool more effectively.

Have your mechanic check your
A.C. system regularly and have it
serviced about every 2-3 yrs.
The best time is in the Spring
before it gets hot.

And Remember:
Never leave a child or a pet in a
parked car on a hot day, not even
for a minute!

While we attempt to insure these tips
and information is complete and
these tips are merely a
recommendation to help save you time,
money and to stay safe on the road.

Check with your mechanic for
professional advice or service
before attempting to perform
any work you are not qualified
to do.