Anyone have any hints on how to get the mouse smell out of my heating system?

[CadillakJak]

Am tempted to drill a hole now that I have the frigi-freeze but wonder if it would be better to take the fan off the firewall and spray in there. Don't really know where else to spray, any other intake areas?

[dustyeagle]

Well if you do take the fan out if you havent already, you may find a source to the smell and it would be an injection point. Also drilling the hole is a good idea too that way you can get that stuff on the other have of the heater box easier. In my full time job we do that exact thing we deoderize both halfs of the box. Drilling holes is the easiest way.

[Canoe]

Kitty Litter?

Actually, acids are pretty good a breaking down the proteins that smell. Vinegar is safe. Vinegar is cheap.

To be effective, you'd have to take it apart and ensure you've removed all left-over mouse parts and any foreign material (grass, leaves, dirt, mud, etc.) that may have absorbed the smell. Then wash down with vinegar. Vinegar is cheap enough you could even soak the heater core and duck work in it.

There are bags of crystals you can buy that will absorb odors (but not remove their source, of course). When saturated, you simply bake the crystals to "recharge" them (heat releases the previously absorbed odor). Do it in the sun, not your indoor oven (unless you want your oven & house smelling like mouse).

[CadillakJak]

Well I took the four screws out that cover the air box under the passenger side dash. Got a decent size bit and drilled just over a pencil end sized hole through the double plated left side when looking in from the seat. Couldn't feel any air when I covered the opening but sprayed some of the FF inside. Think I may see how hard it will be to take that fan out on the firewall side to get a better spray point. No other real inlet area that is not blowing out.

[redneckjames]

take the mouse out... duh hahaha

[priya]

A guy I know used to keep his aftershave in the car and every now and then he'd pour a glug down the defroster vent.

[doneagle]

     Hi i have taken the box out of many of cars to get rid of the smell .I found that masengail Duse it gets rid all the mouse smells.i useed it to get sunk smell off the dog it workers real good. it works for me        don.    

[benamcfan]

Yes, gm/ motorcraft make good products for odor. Lets take this a little further. Gravity is at play so lets start at the top.Are the vents obstructed if so remove any debris,check for cracking,loose or missaligned fit rodents can fit through the smallest areas. Check the blower motor for proper seal and fit.
Removal of heater core/evaporator, may be necessary, gm and after market types of odor control work well also.Drilling holes to apply these chemicals is often used { i prefer proper disassembly }, so if you drill seal the holes, holes are leaks. If the vehicle has been left out side or stored in an unsealed building, i recommend complete removal of all duct work including any portion of dashboard components. The duct should be cleaned of all rodent/ insect debris and cleaned with a bleach solution or other product. Be careful upon reassembly of the duct work an dash.  Do not forget the directional dash/floor outlets.

Thanks. Benamcfan.
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[MontanaEagle]

I traveled with a kitten in my honda once.  At some point it decided to pee on the dashboard and it leaked down into the vents.  It smelled like cat pee for about 6 months, I just blasted the AC or Heat whenever I was in there, as soon as the pee dried, the smell went away.  Not the best method, but it worked.

[eagletuner]

shove an air freshner in teh vents