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brad12kx 08-28-2011 01:59 AM

Mod16 - Cabin Air Filter
NOTE - This mod applies to 4th Generation Rams Only!

Today I had a half hour of 100% free time. Not long enough to clean the truck, so decided to do a mod instead.

Cabin Air Filter

Here are the Dodge Avenger parts that were used.

I started by emptying the lower glove box, then squeeze the sides in to release the tabs that stop it from falling out.

Just lift up slightly and out it comes.

Looking in though the hole you will find the airbox with an outline that matches the cabin filter cover for an Avenger. When cutting out, stay inside the raised rib.

This next part is optional, but I find that removing the fan to be able to reach inside is very helpful in removing the piece you cut out. Here is what the fan assembly looks like when in position. I had already removed the back screw before snapping the pic.

Here I have marks the 3 screw locations. They remove real easy with a 5/16" nut driver. Don't forget to unplug the fan motor wiring.

About 20 seconds later, the fan is out. Hmmm....I wonder what the flat rate is to replace this item......

Here is looking up into the airbox where the fan normally sits.

The air box modification tool of choice.

This is the plastic after removal. I find it easier to cut straight across the bottom and remove/optionally remove the the small lower tab. It is completely unnessessary to remove this small lower tab, but the embossing is there, so I just couldn't leave it. No one will every see it, but 'I' will know it's there... :shakehead:

Here is the opening after all the knife work is done.

To Be Continued.......

brad12kx 08-28-2011 01:59 AM

Time for the filter (p/n 05058693AA) . I'm sure they could have found a bigger box.....but....maybe not.....

Taking careful note of the air flow direction arrows, install the filter. It just slides in, and sticks out a bit (~3/4"). It's a little tricky to slide in, as the hole is partly blocked by the dash. I only took about 10 seconds of patience to slip it in with any damage.

Next, the cover (p/n 68052292AA).

Slip the cover in place, and press the 2 end tabs toward each other. They will 'click' once in place.

Put the fan back in (about 30 seconds) and this is what it should look like.

Here is comprhensive list of tools.

This mod took a total of 25 minutes. Had I not stopped to take pix, it would have been between 10 & 15 minutes.

Couple of items of note -

1) Make sure you have 'sharp' knife with a good point. I DO NOT remommend using a knife with break-off blades (even the HD version). You will be putting a fair amount of pressure on the knife, and a break-off blade would likely lead to injury.

2) Went cutting out the plastic, cut the bottom first, then the top. If you cut the top first, there is nothing substantial to hold the bottom, so there is some (not a lot, but some) risk of breaking the housing.

3) With the fan removed, you can easily reach inside to puch the plastic piece out. Wit the fan in place, you may end up droping the piece into the fan, and will have to remove it anyway, so for the 60 seconds it takes to R&R, it's well worth it. :)

wolfman10 08-28-2011 02:29 AM

Great write up! How much did the mopar parts run?

brad12kx 08-28-2011 02:39 AM

Total cost was $45/00 taxes included. The cover is the cheap part...$11. :)

wolfman10 08-28-2011 02:50 AM

Cool! That maybe a mod in the future for me!

Ryank 08-28-2011 03:47 AM

Know did you do this becuase these rams dont have a cabin filter? or because its easier to maintence?

brad12kx 08-28-2011 04:02 AM


Originally Posted by Ryank (Post 600258)
Know did you do this becuase these rams dont have a cabin filter? or because its easier to maintence?

Little of both. In the fall, my Hay Fever drives me nuts, so have always installed some sort of cabin air filter in my trucks. Also, I like to keep my truck clean inside and out, and a cabin air filter sure helps reduce the interior dust. In the case of the 4th gen Rams, this is such a great way to filter the air, as it also filters the re-circulated air when the AC is on max. The only 'difficulty' in changing the filter, is you have to remove the lower glove box, but that only takes 10 not too big of a deal. :)

chithead 08-28-2011 11:46 AM

Great write-up sir!!! This is a good idea for any 4th gen owners.

916Timmy 08-28-2011 12:15 PM

Have the cover, just need a filter! :)

GeauxHunting 08-28-2011 02:23 PM

Nice mod brad! Seems simple enough.

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