Mercury XL2Z-9661-AA Cover

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Disconnect the cable from the negative terminal of the battery. Loosen the hose clamps on the air cleaner outlet tube assembly for 1994 and earlier models. Remove the tube from the throttle body and Air Filter Box. Cover the throttle body inlet to prevent foreign matter entry. Disconnect the vacuum lines at the bimetal sensor in the air cleaner cover. Disconnect the electrical connector at the Mass Air Flow (MAF) sensor. Remove the screws securing the air filter box assembly upper half. Label and disconnect the two small hoses from the upper case half and remove the upper half and air cleaner filter. Squeeze the protrusions on the air cleaner hot air tube and disconnect the tube from the air filter box. Remove the bolt securing the air cleaner intake tube assembly to the air cleaner intake deflector next to the radiator panel. Remove the intake tube from the lower half of the air filter box. Remove the screw securing the lower half of the air filter box to the mounting bracket. Remove the lower half of the air filter box. Installation is the reverse of removal. Tighten all hose clamps and fittings securely. For 1995 and later models, disconnect the IAT sensor and MAF sensor wiring. Remove the crankcase ventilation hose and retaining clamps from the air cleaner outlet tube. Detach the air outlet tube from the throttle body and MAF sensor. Disconnect the air filter box spring clips, then lift the upper half of the air filter box assembly from the vehicle. To remove the lower half (intake air duct) of the air filter box, carefully lift upward on the lower half to release the rubber grommets securing the housing to the fenderwell. Installation is the reverse of removal.