HEATER HOSE REMOVAL/INSTALLATION [MZ-CD 1.6]

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1.  Disconnect the negative battery cable.

2.  Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT [MZ-CD 1.6].)

3.  Remove the following parts:

(1)  Windshield wiper arm (See WINDSHIELD WIPER ARM AND BLADE REMOVAL/INSTALLATION.)

(2)  Front fender molding (See FRONT FENDER PANEL REMOVAL/INSTALLATION.)

(3)  Cowl grill (See COWL GRILLE REMOVAL/INSTALLATION.)

(4)  Windshield wiper motor (See WINDSHIELD WIPER MOTOR REMOVAL/INSTALLATION.)

(5)  Cowl panel (See COWL PANEL REMOVAL/INSTALLATION.)

(6)  Battery box, battery and PCM (When remove the lower hose) (See BATTERY REMOVAL/INSTALLATION [MZ-CD 1.6].) (See PCM REMOVAL/INSTALLATION [MZ-CD 1.6].)

4.  Disconnect the heater hose from the A/C unit. (See Heater Hose Removal Note (1).) (See Heater Hose Installation Note (1).)

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5.  Remove the clip and disconnect the heater hose.

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6.  Disconnect the heater hose from the engine. (See Heater Hose Removal Note (2).) (See Heater Hose Installation Note (2).)

7.  Remove the clips and disconnect the heater hose.

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8.  Install in the reverse order of removal.

9.  Inspect for engine coolant leakage. (See ENGINE COOLANT LEAKAGE INSPECTION [MZ-CD 1.6].)

Heater Hose Removal Note (1)

1.  While pressing the heater hose into the A/C unit side (1), pinch the quick connector retainer (2), then disconnect the heater hose from the A/C unit (3).

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Heater Hose Removal Note (2)

1.  Squeeze the quick connector positions (1) shown in the figure and pull it upward (2).

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2.  Disconnect the quick connector from the hose on the engine side.

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Heater Hose Installation Note (1)

Quick connector reuse

1.  Insert the quick connector all the way back into the hose on the engine side.

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2.  Insert the quick connector lock.

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3.  Lightly pull the heater hose to verify that it cannot be pulled out from the hose on the engine side.

Quick connector newly replaced

1.  Insert the quick connector all the way back into the hose on the engine side.

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2.  Press the quick connector pull-tab.

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3.  Pull out the pull-tab using your fingers.

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4.  Lightly pull the heater hose to verify that it cannot be pulled out from the hose on the engine side.

Heater Hose Installation Note (2)

1.  Insert the heater hose into the pipe of the A/C unit until a click is heard.

2.  While pressing the heater hose quick connector against the A/C unit side, press in the push tab.

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3.  Verify that the heater hose cannot be pulled out from the A/C unit by lightly pulling the heater hose.