ACtion Magazine - September/October 2013 - (Page 34)
Noisy Honda Heater
2012 Honda Civic
Buzz or rattle from the dash when the heater is on
Owners of 2012 Honda Civics (all models) may complain of
a buzz or rattle emanating from the dash when the heater is on
Low or Medium fan speeds. This may be the result of a warped
air mix door. The corrective action may be to replace the whole
heater sub-assembly (case). The replacement sub-assembly
part numbers will vary by model, so refer to proper service
information when ordering. You’ll need new A-pillar clips, part
number 91561-TR0-A11.
Here are some helpful notes:
• Before disconnecting the battery, turn the ignition
ON and make sure the HVAC controls are set to MAX
COOL and VENT air delivery mode. This is required to
properly position the air mix and mode control motors for
removal and transfer to the new heater unit.
• It is not necessary to remove the steering wheel; the
steering column can be removed with the steering wheel
attached.
• It is not necessary to remove the passenger airbag from
34
ACTION • September/October 2013
the steering beam hanger; the dashboard and hanger can
be removed as an assembly.
• You must replace both A/C pipe O-rings.
• If equipped with A/C, be careful not to bend the
evaporator temperature sensor when removing the
evaporator core.
After removing the sub-assembly, remove the heater pipe
bracket and the grommet, then carefully pull out the heater core.
Remove the air mix control motor, then remove the mode
control motor.
When reassembling, fit the heater pipe bracket and grommet
into the new heater sub-assembly, then install the heater core.
If equipped with A/C, install the evaporator core with the two
new O-rings. The 5/8 inch O-ring is part number 0871-ST7000 and the 8mm O-ring is number 80873-ST7-000. Install the
mode control motor, then align the air mix control motor with
the gear and install the motor onto the new sub-assembly. ❆
Table of Contents for the Digital Edition of ACtion Magazine - September/October 2013
ACtion Magazine - September/October 2013
Contents
Outlook
Freeze Frame
Virtual View
Leonard’s Law
Cooling Corner
Member Profile
News & Updates
Special Update on R-1234YF
Technician’s Operating Procedure
Emergency Business Plans
Association News
Quick Check
New Products & Services
Last Watch
ACtion Magazine - September/October 2013
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