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Goldencrazy
Oct 21, 2017Explorer
Fixed it well and quickly. Turned out to be the check valve not the bypass. Difficult to get at but took it apart and removed insulation and replaced valve and returned the insulation.2.5 hrs of labor Had the vehicle winterized. They forgot to close and lock the access door but I walked around and found it . No harm but I advised a walk around takes little time and would instill confidence.
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