Vacuum line?
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Joined: Jun 2016
Posts: 1,066
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From: USA
If I'm not mistaken its part of the brake booster line. On my car the side shown in the photo connects to the vacuum side and if you trace it back it eventually follows along the firewall to the master cylinder/brake booster
Last edited by RGPV6S; Mar 6, 2021 at 04:06 PM.
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