Disconnect (Vapor Tube Fitting - Push Release)

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WARNING: The evaporative emission system contains fuel vapor and condenses fuel vapor. Although not present in large quantities, it still presents the danger of explosion or fire. Disconnect the negative battery cable from the battery to minimize the possibility of an electrical spark occurring, possibly causing fire or explosion if the fuel vapor or fuel liquid is present in the area.

NOTE: Numbers in parenthesis refer to numbers in illustrations.

Disconnect the negative battery cable.
Press the retainer clip in (1). See Fig 1.
Disconnect the vapor tube from the fitting (2). Fig 1

Fig 1: Disconnecting Vapor Tube From Fitting - Push Release

Courtesy of MAZDA MOTORS CORP.