Why Antifreeze is important
You're losing antifreeze, where is it going? It would be nice if all
coolant leaks were dripping right out front where you can see them, but
it's not always that easy. Some leaks might occur only when the engine
is cold and then heat expansion may close them off.
Others may only leak
when warm, under pressure, and may boil or evaporate before hitting the
ground, so you may not see them unless you open the hood and look for
tracks. On this type of leak we often add a fluorescent dye to locate.
Heater core leaks usually be spotted by steam on the windshield or as
they get worse, moisture on the floorboards.
The worst type of coolant leakage is internal, such as the intake
manifold, throttle body or head gaskets. Internal intake manifold leaks
on V engines are notorious for taking out engine bearings, since
antifreeze destroys them in a short order.
If the engine misses in the morning for a few seconds, or you see huge
amounts of white smoke, you may have a head gasket leakage.
If you're having to add coolant often and can't find the leak, have an
oil analysis done to make sure the coolant is not getting into the oil.
Years ago when your cooling system was low, you popped the radiator cap
off and added your favorite brand of antifreeze,usually green
or yellow and off you went. Now that isn't as easy as almost every
carmaker has come out with their own blend of antifreeze. Many of these are long life
and they come in a whole rainbow of colors.
Here are some of the coolants out there now.
. A light-medium green with inhibitors that include
silicates and phosphates. The old standard you can purchase anywhere.
Recommended replacement 2 years or 30,000 miles.
Prestone American Yellow Gold.
Some think it has a green cast to it,
but gold is the color of the dye. It also includes silicates and phosphates.
A long life coolant that features sebacate (an
organic acid) and 2-EHA as the primary inhibitors. Itís used in GM cars for original equipment.
Usually a deeper green than American green, with
inhibitors that include phosphates (no silicates). If itís a conventional
coolant, the recommended life span is typically 2/30. Itís also available
in an extended life formula and the intervals go up to 5/100.
A conventional Japanese coolant with phosphates but no silicates. Due to a similarity in color,
itís often mistaken for Dex-Cool.
Toyota Pink and Honda Deep Green Extended Life
These new extended-life Japanese coolants use phosphates for fast protection (no
silicates) and a single organic acid (sebacate) and other inhibitors.
The version used in models sold in the U.S. is an organic acid type, primarily sebacate.
More of a yellow than Prestone American Yellow Gold. Its inhibitors include a relatively low dose of silicates (no
phosphates), plus benzoate. Euro yellow is sold in the U.S. aftermarket as type G-05.
Chrysler Group Orange.
The dye is orange, but the formula is G-05, the same as European/Ford Yellow.
You also may have seen blue dye in some European cars (BMW and Volvo, among others). Itís similar to European/Ford yellow.
Either a combination of two coolants mixed together by a top
offófor example, orange coolant repeatedly topped up with green, gold or yellow or a coolant contaminated by sealants or other additives. When adding
to your system, make sure you match whatís in there. Although you can safely flush the system and use the old standby green antifreeze, you donít
want to mix them. A 50/50 mixture of whatever you use is critical for engine corrosion protection.
Good reasons to bring your Car, SUV or Light Truck to Wayne's Garage
Share this Page
- We warranty all our work for 24 month/36,000 mile.
- We have courtesy vehicles for your convenience
- We hand wash and vacuum your car
- Our friendly staff will always treat you with dignity and
- Most repairs are completed in one day
- We can perform all maintenance
necessary to keep your new car warranty in effect. You are not
obligated to go back to the dealer
- Our Technicians are ASE certified.
- Wayne's Garage has over 100 years of experience to maintain and repair your automobile.
Contact us |