MTC Air Conditioner - In-Cabin Microfilter; Removal and Installation; Function; Replacement Timing

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IN-CABIN MICROFILTER

MTC-121

MTC

Revision: January 2005 2004 Quest

IN-CABIN MICROFILTER PFP:27277

Removal and Installation EJS001T5

FUNCTION

The air inside the passenger compartment is filtered by the in-cabin

microfilters when the heater or A/C controls are set on either the

recirculation or fresh mode. The two in-cabin microfilters are located

in the front heater and cooling unit assembly. The rear heater and

cooling unit assembly only draws in air from the passenger compart-

ment to recirculate into the passenger compartment, so the rear

heater and cooling unit assembly is not equipped with in-cabin

microfilters.

REPLACEMENT TIMING

Replacement of the two in-cabin microfilters is recommended on a regular interval depending on the driving

conditions. Refer to MA-6, "

PERIODIC MAINTENANCE" . It may also be necessary to replace the two in-cabin

microfilters as part of a component replacement if the in-cabin microfilters are damaged.

REPLACEMENT PROCEDURES

1. Remove the glove box assembly. Refer to IP-13, "Instrument Lower Panel RH and Glove Box" .

2. Remove the three screws and remove the in-cabin microfilter

cover.

3. Remove the in-cabin microfilters from the front heater and cool-

ing unit assembly.

4. Install the in-cabin microfilters, replacing the two in-cabin micro-

filters with new filters, into the front heater and cooling unit

assembly.

CAUTION:

When installing the two new in-cabin microfilters make sure

that the filters are facing in the direction indicated by the

direction arrow for the air flow. The direction arrow is

printed on the side of the in-cabin microfilters.

5. Install the in-cabin microfilter cover.

6. Install the glove box assembly. Refer to IP-13, "

Instrument Lower Panel RH and Glove Box" .

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