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RonNNN

In article ,
says...

On Sat, 8 Jul 2017 09:30:19 -0500, RonNNN wrote:

In article ,
says...

On Saturday, July 8, 2017 at 10:19:27 AM UTC-4, RonNNN wrote:
In article , says...

I don't see how any state inspection would spot a leaking heater
core,
unless it's pouring out. In warm weather, the coolant flow is off,
there would be no leaking.

Wrong.

--
RonNNN

So, you have hot water flowing through your heater core when it 80 outside and the car interior is set to 70? Must be a unique car.

There may not be flow, but there is pressure on the hoses and core, and
it *WILL* still leak.
There will be flow too, in MOST cars still on the road. The vast
majority do not control water flow through the heater core any more -
they just control air flow, either through or around. This is
particularly true of cars with "climate control" or automatic
temperature control / AC

Without trying to step on any toes, I retired from automotive after over
45 years in the business over three years ago. I was just pointing out
the simple fact that flow has nothing to do with whether a heater core
will leak or not. I even almost suggested T-4 ask you, since they seem to
take your word for all things relating to automotive.

--
RonNNN