Thread: topping off coolant in the porsche
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Old 02-22-2022, 12:52 PM   #12
John V
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Join Date: Apr 2005
Carmudgeonly Ride: Ram, MS3, CX-5, RX-8
Location: Glenwood, MD
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I had the same issue on my 987. I ended up topping it off with regular old tap water.

Fortunately, the entire system ended up getting drained and re-filled when the dealer performed the warranty HPFP replacement
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