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Old 11-12-2017, 05:49 PM   #2
dghii
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Join Date: Sep 2008
Location: Florida
Posts: 2,493
Besides the WP, Boxster's have two radiators, lots of radiator hoses a coolant tank and bleeder in the trunk...you get the idea.

Easy things to do is:

1. Look around your rear trunk, under the carpet and near the coolant tank for signs of dampness or leaks.
2. Look around your coolant tank cap. The latest revision of the cap ends in '.04'. If yours is older, invest in a new cap. Look for signs of leaking or dry white residue around the bleeder assembly (Black item next to coolant cap).
3. Remove firewall carpet and firewall behind seats. Start your car and inspect (CAREFULLY!) around your water pump (again, white residue is a sign of a leak).

4. Take your car to good indy and have them pressure test your system to pinpoint your leak.

If your inspections fail to uncover anything
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