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Old 06-18-2007, 02:52 PM
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JimFreeh JimFreeh is offline
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Join Date: Mar 2007
Location: Hampton Roads, Virginia
Posts: 3,366
As another datum point....

When we lost the haed gasket on our 300TD W124 climbing hills in West Virginia, it took a good 45 minutes to get the system burped, and full of water.

To elaborate on my previous post, if you have any leakage out of the damaged radiator, it will be difficult, if not impossible to fill the heater core.
the heater core on the w124 is at a high point of the cooling system and if you are leaking water at the radiator, you may also be introducing more air into the system.

The t-stat only closes off the water from the radiator, the water pump will still draw water/air into the lower hose and circulate it.

Jim
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94 E320 Cabriolet Emerald green 152k miles
85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles
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