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"89cress" <none@000.com> wrote in message
news:979813_9e36d1862cea257a487e0b40fd0c0cdf@0000.com...[color=blue]
> How do I flush the heater matrix? What is the proper way to bleed the
> system? Here is what I do: I jack the front end only up as high as
> the jacks can go, then run the engine, open the radiator cap, then
> fill with coolant when the level drops.
>
>[/color]
When you fill the radiator, do so with the car level, not up on jacks.

Flush the heater matrix (called a heater core in the U.S.) by setting the
interior temperature to full hot while flushing the rest of the cooling
system. Because of environmental laws, I recommend having the cooling
system professionally flushed.
[color=blue]
> I check and I think the water valve is open or closed properly.
>[/color]
Set the heat to full hot and see if the heater control valve opens. If you
are not sure if the heater control valve is moving, open the hood and follow
the heater hose along the firewall to find the valve, and watch the lever on
the valve move while someone changes the interior temperature from full hot
to full cold.

--

Ray O
(correct punctuation to reply)