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John,
Your system varies from mine in that my radiator is set up as a cross-
flow, i.e. tanks on left and right. Coolant flows into my radiator at the
upper left, and out at the lower right. The bleeder fitting is on the upper
right tank. But, for the purpose of removing trapped air in the radiator,
I think your system would still benefit from a bleeder circuit going from
the upper tank back to the expansion tank.
I assume the big line from the bottom of your wp (wp inlet) is connected
to the aft/lower tank of the radiator? And the upper wp line (wp outlet) is
connected to the fore/upper radiator tank?
Without a bleeder circuit, I don't see how air that's trapped in the radiator
can escape.
If it were me, I would connect the line from the fore/upper rad. tank to the side
fitting on the exp. tank. This fitting should be on the other end of the radiator
tank from where the large hose connects.
And then connect the bottom fitting on the exp. tank to the wp inlet ("T" it in to the
wp inlet at the wp).
Also install a cap or bleed valve at the thermostat to bleed any air during initial
filling. After that, it should not be necessary to open this fitting. Or you can
simply remove the upper hose at the thermostat housing when filling the
system.
The expansion tank needs to be higher than the rest of the cooling system.
Mark S.
At 09:38 AM 3/3/2004 -0500, you wrote:
> As installed, are the radiator end tanks on left and right, or
> top and bottom?
the tanks are forward and aft. The forward one is about 4 inches higher than
the aft one.
> And is your return line on the bottom, or top? Consider how air
> will escape, if it ever gets into the radiator.
The lower expansion tank connection is plumbed to the forward rad end tank.
The upper expansion tank connection is plumbed to the top of the engine
block.
It seems to work.
Should it? :)
John
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