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Old 08-06-2019, 05:48 AM   #97
1998 Boxster Silver/Red
Join Date: Sep 2017
Location: 92262
Posts: 2,675
Originally Posted by particlewave View Post
Meir was incorrect. Missing foam on the heater core flap will allow varying degrees of your cooled AC air to flow over the always hot heater core, making the AC temp vary.

Fixing the heater core flap will solve this.
Thank you, PW. It appears that will be my next project... this "winter".

1998 Porsche Boxster
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