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Old 08-27-2002, 04:16 PM
Tinker Tinker is offline
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Join Date: May 2000
Posts: 376
When closed, should a heater valve block all coolant flow?

When I checked mine (87 190e) out of the car with vacuum applied, it will flow just a trickle of fluid. Is this normal or should it seal completely.

Tinker
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