Mercury F77Z-9601-AA Element Assy - Air Cleaner

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All air filter cover assemblies must be installed correctly or engine damage could occur. If the vehicle is driven in dust, the filter should be checked every3000 miles and replaced if it's dirty. In any case, the filter should be replaced at least every 30,000 miles, even if it looks clean. Loosen the hose clamp on the air intake duct, just after the MAF sensor on most models. Disconnect the MAF sensor electrical connector where necessary. Release the two locking clips/clamps on the cover. Lift off the cover while separating it from the air intake duct. Remove the air filter element by lifting it out from one edge. Wipe the inside of the air filter housing with a clean cloth. Place the new air filter element in the housing. Reinstall the cover and reconnect the air intake duct, note the tabs on one side of the cover. Press down on the cover to engage the locking clips or secure the clamps. Reconnect the MAF sensor, if necessary, and carefully tighten the hose clamp on the air intake duct.

As for the vehicles manufactured up to 1994, the starting point is the acquisition of a new filter element. Unbolt the PCV hose from the air outlet tube, and remove the air outlet tube from the air cleaner cover. Remove the electrical connector of the Mass Air Flow (MAF) sensor and identify the vacuum lines at the back of the cover with labels. To remove the hose from the air outlet tube turn the rotary clamp knob anticlockwise then pull the air outlet tube from the hose.Cover:-Undo the retaining screws and take the cover out of the retaining tab slots. Remove the lid and wash the filter element from it, and then remove the dust from the inner surface of the air cleaner housing with a soft cloth. If required, one can press the hot air hose to disembark it from the housing and can remove the mounting screw and then raise the housing assembly up. Install the new air filter element in its housing, making sure that the marked side is oriented upwards, then, put on the cover and the retaining screws, tightening them moderately, reconnect the vacuum hoses, air outlet tube and electrical connector. For 1995 and later models, if there is a screw-type or locking clamp, release it and pull the air filter out, then the air filter housing must be wiped with a damp cloth while the new filter element is installed. The order in assembly is in the reverse order to that in dismantling.

As for the vehicles manufactured up to 1994, the starting point is the acquisition of a new filter element. Unbolt the PCV hose from the air outlet tube, and remove the air outlet tube from the air cleaner cover. Remove the electrical connector of the Mass Air Flow (MAF) sensor and identify the vacuum lines at the back of the cover with labels. To remove the hose from the air outlet tube turn the rotary clamp knob anticlockwise then pull the air outlet tube from the hose.Cover:-Undo the retaining screws and take the cover out of the retaining tab slots. Remove the lid and wash the filter element from it, and then remove the dust from the inner surface of the air cleaner housing with a soft cloth. If required, one can press the hot air hose to disembark it from the housing and can remove the mounting screw and then raise the housing assembly up. Install the new air filter element in its housing, making sure that the marked side is oriented upwards, then, put on the cover and the retaining screws, tightening them moderately, reconnect the vacuum hoses, air outlet tube and electrical connector. For 1995 and later models, if there is a screw-type or locking clamp, release it and pull the air filter out, then the air filter housing must be wiped with a damp cloth while the new filter element is installed. The order in assembly is in the reverse order to that in dismantling.

Lift the element out of the housing and wipe the inside of the air cleaner housing with a clean cloth.