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Front Expansion Valve Replacement

WARNING: This page is about a different car, the 2011 Honda Pilot, 2010 Honda Pilot, and 2009 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant with a recovery/recycling/charging station (see REFRIGERANT RECOVERY  ).
  2. Remove the front evaporator core (see FRONT EVAPORATOR CORE REPLACEMENT  ).
  3. Remove the bolts, then remove the front expansion valve (A) and O-rings (B).
    Fig 1: Front Expansion Valve & O-Rings With Torque Specifications
    G05963765Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Install the front expansion valve in the reverse order of removal, and note these items:
    • Replace the O-rings with new ones at each fitting, and apply a thin coat of refrigerant oil before installing them. Be sure to use the correct O-rings for HFC-134a (R-134a) to avoid leakage.
    • Immediately after using the oil, reinstall the cap on the container, and seal it to avoid moisture absorption.
    • Do not spill the refrigerant oil on the vehicle; it may damage the paint; if the refrigerant oil contacts the paint, wash it off immediately.
    • Make sure that there is no air leakage.
    • Charge the system (see SYSTEM CHARGING  ).
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