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It's a coolant recirculation pump for cold climates. Posted by SWEDECAR [Email] ![]() ![]() ![]() In Reply to: What is this ?, Frank ![]() |
It helps circulate the coolant through the heater core inside car at low engine rpm.
It starts to pump when engine rpm is below 1600 and the outdoor temperature is below 0°C
The pump unit is P/N 4395612 $229.00 so make that is the one leaking before byuing it.
Anders
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