These Prestone flushing tees work great, but the one I installed about
five years ago cracked recently from old age.  Fortunately it didn't
separate completely and I noticed the drip and was able to fix the
problem before it became a disaster.

So, replace these every four years!

Also, if you loop the hose you will be providing a low resistance path
back to the engine that will reduce the flow of hot water to the front
heater.  You are not bypassing the radiator however, that is a
completely different circuit and is controlled by the thermostat.

Contrary to common beliefs, coolant does start to circulate through the
heater core(s) from the right side head as soon as the engine is
started.  This allows for quicker heating of the cabin with the
thermostat closed as the coolant heats up during engine warm up.

Bob Donalds wrote:
>
> Coyote
> they make a union with a cap it was originaly used to flush the heater
> core its called a flushing tee made by prestone it works great as a
> splice or to replace the tees
> Bob

--
Stuart MacMillan
Manager, Case Program
800-909-8244 ext. 8208
Fax: 206-269-6360

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