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Cabin Microfilter Replacement
 
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Pelican Technical Article:

Cabin Microfilter Replacement

Nick Czerula

Time:

0.5 hours

Tab:

$30

Talent:

**

Tools:

Lint free rag, flathead screwdriver

Applicable Models:

Saab 9-3 2.0T (2006-07)

Parts Required:

Cabin microfilter

Hot Tip:

Thoroughly clean microfilter housing

Performance Gain:

Good air flow through HVAC system

Complementary Modification:

Install charcoal activated filter

Saab 93 models utilize a HVAC fresh air cabin microfilter. The microfilter helps eliminate dirt and dust particles from entering the vehicle interior. It also protects HVAC system components from contamination. A dirty heater core would not provide sufficient heat, and a dirty evaporator would not provide sufficient cooling. The microfilter is located in the wiper cowl area beneath a lid on the right side of the vehicle.

Saab recommends replacing the fresh air cabin microfilter every 15,000 miles or every other oil change.

Keep in mind that when your car was serviced before, parts may have been replaced with different size fasteners used in the replacement. The sizes of the nuts and bolts we give may be different from what you have, so be prepared with different size sockets and wrenches.

Protect your eyes, hands and body from fluids, dust and debris while working on your vehicle. If you're working with the electrical system, disconnect the battery before beginning. Always catch fluids in appropriate containers and properly dispose of any fluid waste. Recycle parts, packaging and fluids when possible. Never work on your vehicle if you feel the task is beyond your ability.

Our vehicle may vary slightly from yours as models do change and evolve, as they grow older. If something seems different, let us know and share your info to help other users. Do you have questions or want to add to the article? Leave a comment below. When leaving a comment, please leave your vehicle information.

Open your engine hood. Clean any leaves or debris from the wiper cowl area.

The cabin filter is located below the right side wiper cowl (red arrow).
Figure 1

The cabin filter is located below the right side wiper cowl (red arrow). Saab recommends removing the wiper arms when replacing the filter. I don't find that necessary. This article shows the quicker way, without removing the wiper arms.

Start by removing the plastic expanding rivet (red arrow).
Figure 2

Start by removing the plastic expanding rivet (red arrow). Press the center pin down. Then lever the rivet out of the cowl to remove.

Pull the cowl seal off the cowl (red arrow).
Figure 3

Pull the cowl seal off the cowl (red arrow).

Lift up the wiper cowl and support it in this position using a small piece of wood or screwdriver (red arrow).
Figure 4

Lift up the wiper cowl and support it in this position using a small piece of wood or screwdriver (red arrow).

Slide the water shield (red arrow) out of the cowl.
Figure 5

Slide the water shield (red arrow) out of the cowl. Note the screwdriver (green arrow) supporting the cowl.

Using a small flathead screwdriver, unclip the cabin microfilter mounting tabs (red arrow).
Figure 6

Using a small flathead screwdriver, unclip the cabin microfilter mounting tabs (red arrow). Lever the tab lock out of the housing. Remove the old cabin microfilter from the housing. Be careful not to spill any debris in the bottom of the housing. Vacuum the cabin microfilter housing. Then wipe down any dust.

Next, snap the new microfilter into place.
Figure 7

Next, snap the new microfilter into place. Then install the wiper cowl and install the fasteners. Be sure that the airflow arrow (red arrow) points in the direction of flow.

Slide the water shield back into place.
Figure 8

Slide the water shield back into place. Then snap the cowl trim clips (red arrows) into the mounting bores (green arrows).

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Page last updated: Wed 3/29/2017 02:59:29 AM