HEATING AND VENTILATION SYSTEM 7A–13
DAEWOO M-150 BL2
TOO MUCH HEAT
Step
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Action
Value(s)
Yes
No
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1
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Verify the customer’s complaint.
Are the customer’s concerns verified?
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–
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Go to Step 2
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System OK
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2
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Set the mode switch to the floor position.
Is there too much heat when the mode switch is in
the floor position?
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Go to Step 3
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Go to Step 9
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3
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Check for defroster bleed.
Is there objectionable defroster bleed?
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–
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Go to Step 4
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Go to Step 5
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4
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1. Check the door travel, the cables, the controls,
and the linkage for the heater and the defroster.
2. Adjust or repair, as required.
Is the repair complete?
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–
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System OK
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5
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1. In vehicles equipped with A/C, set the A/C switch
OFF.
2. In all vehicles, set the blower speed to 4.
3. Set the temperature to full hot.
4. Turn the ignition switch to ON.
5. Check for airflow from the floor outlets.
6. Check the floor outlet attachment.
Is the airflow high?
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Go to Step 7
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Go to Step 8
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6
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Check for a change in the airflow at different blower
speeds.
Does the airflow change as the setting for the
blower-speed switch is changed?
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System OK
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Go to ‘‘Blower
Electrical’’
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7
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1. Check the temperature door travel, the cables,
and the linkage.
2. Adjust to full cold.
3. Check for full hot.
Is the repair complete?
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System OK
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8
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Adjust or repair the floor/defroster and/or the vent/
floor mode.
Is the repair complete?
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System OK
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9
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Set the mode switch to the vent position.
In the vent position, is the problem objectionable
bleed?
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Go to Step 10
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Go to Step 15
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10
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1. Check the system case for leaks.
2. Check the floor outlet attachment.
Are any problems found?
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Go to Step 11
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Go to Step 12
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11
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Repair the system case or the floor outlet attach-
ment as required.
Is the repair complete?
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System OK
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Go to Step 12
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12
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1. Turn the ignition switch OFF.
2. Turn the temperature control knob to full hot, then
rapidly to full cold.
Do you hear the door slam just before you reached
the end of the control travel?
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Go to Step 13
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Go to Step 14
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13
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Adjust the vent door to vent more.
Is the repair complete?
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System OK
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