Mice Nesting in a Car

A warm engine compartment can be enticing to rodents looking for shelter. This guide is about mice nesting in a car.

July 4, 2011 Flag
1 found this helpful

Does any one have any idea to keep mice out of my car engine? They have been making a nest in my engine a couple of times. I don't want them making things dangerous for me and my car.

By Donna from Foymount, Ontario

August 10, 20110 found this helpful

We had the same problem in our car and we tried everything. We installed a mouseblocker and it seems to be working great so far. We purchased it from www.mouseblocker.com a while back. Good luck.

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March 14, 20140 found this helpful

Numerous studies have proven the ultrasonics do not work.

Rid-a-Rat.com has proven in their labs that their new technology works on almost all vermin using light technology which is patent pending.

The company ships all over and to Canada. Here in Arizona you can buy them in hardware stores and some garages and car dealers.


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March 14, 20140 found this helpful

Ultrasonic treatment devices (such as ultrasonic flea collars) claimed to rid homes of pests are completely ineffective. University of North Dakota.

Ultrasonic devices do not meet advertisers claims for their products. University of Maryland.

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April 25, 20150 found this helpful

December 11, 2009 Flag
1 found this helpful

I need help. I have mice under the hood of my car nesting, chewing, and I'm so afraid after pulling all that junk out every night, cigarette butts, dog food, dried grass, just trash, that I will have a fire. My car is brand new and they have chewed wire and most of the insulation off of my hood. Can anyone help me please. I need a magic cure to stop these mice.


By Erica from AR

August 24, 20110 found this helpful

This is a serious problem. I found a solution called MouseBlocker. Try googling it. I have had much success with it after mice destroyed my car.

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March 20, 20130 found this helpful

We have all kinds of animals that get in our cars in Arizona. Our hardware stores sell a great new product that doesn't kill but just chases the animals away.It has saved me a lot of money this year.

My friend in Prescott got one when he saw a rabbit in his car and had to have it repaired 3 times in the same week. He opened the hood and saw the rabbit.

We are both very happy with our rid-a-rat. It is green and just some how chase the animals away. I don't want poison around it can kill hawks and other animals.

All of my neighbors use them.

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Anonymous Flag
November 11, 20150 found this helpful

Hey,what did you use?

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Anonymous Flag
May 18, 20160 found this helpful

June 5, 2013 Flag
1 found this helpful

I bought a 2007 Jeep less than a year ago it wouldn't start. I had it towed from the dealership (not under warranty). They said mice had chewed wires and plastic to the tune of $1100. Before I purchased this car it was garaged for a few years.

Could this damage have been from it being garaged before I bought it? Could it have been driven by me for 8 months with no infestation on my end? Or would it have to be recent? I want to challenge the dealer, but don't want to have this sound totally ridiculous on my part. Any advice?

By Karen

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June 7, 20130 found this helpful

Your posted question is a little hard to figure out. Which of the following timelines is correct?

You bought a Jeep that had been garaged for a considerable length of time from a used car dealer.

The Jeep wouldn't start at the dealer so you had it towed from there to a garage where you were told there was $1100 worth of mousie nibble damage.

If the above is the correct timeline, did you sign an 'As Is' contract? If yes, you are out of luck-no court is going to give you damages based on that 'As Is' clause in your contract.

But if you didn't sign an 'As Is' contract, you probably DO have a case. Try talking to the dealer and politely point out that without satisfaction you will be taking the case to an attorney (or Small Claims, which is cheaper)


You bought a Jeep that had been garaged for a considerable length of time from a used car dealer.

You drove the Jeep for eight months without any problems but then suddenly (after eight months of carefree driving) the Jeep wouldn't start. The mechanic you took it to found $1100 worth of mousie nibble damage.

If that is the correct timeline, you have no case with the dealer because you were able to drive the Jeep without problems for eight months. Refer to the contract (or bill of sale) to re-read the terms of the warranty (if any)-if a warranty was part of the sale contract it surely has expired, most used car warranties on a vehicle that old expire after 90 days.

If you were offered and then opted to pay for an extended warranty of one year, you still probably are out of luck because the damage is from mice-not a fault of the dealer because mice are a condition of where you 'garage' the vehicle when not being driven.

What you do have is a mousie invasion going on where ever it is that you park the Jeep when not driving it-you need to sort that because those little 'darlings' will simply re-nest in your engine box and repeat the damage.

When mice move into the inner workings of a vehicle they waste no time chewing-within a day you are going to have a problem.

The damage they do is considerable and that damage shows up immediately. This is not something that 'develops over time', this is a 'they moved in on Saturday night and by Sunday morning I couldn't start the car' thing.

If you 'garage' the Jeep at your home, this is your problem, sorry about that.

However, if you are renting a garage or parking space, you may be able to recover damages from the landlord. Check your rental agreement.

(Unfortunately, most landlords have a clause relieving them of any damages caused by pests. Re-read the contract to be sure of the terms)

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June 7, 20130 found this helpful

I would ask to see the old parts before I believed them about this. In fact, ask to see all old parts, when they are removed, and you can explain that you like to keep photographs or a record of all parts you have to have replaced.

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June 24, 2009 Flag
0 found this helpful

My mom has a severe problem with field mice getting into the heating/air fan housing in her car. No one else has had a problem when they visit her, but she has had to have her car in the shop at least 10 times for this in the two years that she has owned the car. The car is a Chrysler Sebring. Does anyone have any ideas on what she could use to stop them from coming in? She has outside pets and is afraid to put out any poison.

By binkylou from Wingo, KY

June 25, 20090 found this helpful

We. also had two cars damaged from mice. We were told that Irish Spring soap would keep the critters away. We put some in the engine where the electrical wires are and so far no further problems. Is it the soap or have we just been lucky, I don't know. We never asked a mechanic, so use at your own risk.

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June 25, 20090 found this helpful

They make small traps called mice cubes where the mouse can get in but cannot get out. The traps can be baited with peanut butter and will have to be cleaned out daily; I realize this is not a good long term fix but it may catch a few that the moth malls don't catch?

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July 2, 20090 found this helpful

Mice POOF I had a 22" snake in mine

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January 14, 20160 found this helpful

July 19, 2004 Flag
0 found this helpful

My car broke down beyond repair and I could not afford to by another one at the moment, fortunately my parents had a car sitting in their yard that was in seemingly good condition and was only there for about a year

When I Begin cleaning it out I discovered that there had been several families of mice living in it! Fortunately they all seemed to have deserted the car, however they left behind several little presents for me to clean!

I got the car repaired (the things the mice had chewed through and I also needed a strut). The mechanic told me that not only were they living in the car (and trunk) they had also built a nest in the blowers (for the AC and heat).

So I cleaned out the car I shampooed the interior and vacuumed and sprayed almost a whole bottle of fabreeze all though out the car and the smell is still there! (although it is not as strong)

I personally hate mice and their smell makes me sick but I can't afford to buy another car for a little while so I don't know what to do. I would like to get every little bit of smell out of the car not only because it makes me sick but also it's really embarrassing (I could not imagine taking out a date or going somewhere with my friends and them having to smell mouse!)

So please, any tips or ideas would help. Everyday I drive to work in this thing and it makes me nauseous.


November 15, 20080 found this helpful

I was told my a car dealer that an ozone machine will work.

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December 7, 20090 found this helpful

Before mice move into your car they move onto your engine(especially in winter).They like the heat the engine gives off long after you shut it off. I find chewed acorns and seeds on my engine all the time. Most of us park are cars in the same spot every day, night.That makes it easy for them to return and slowly move in. I'm currently trying to get the urine smell out of a 2006 car that sat in a garage for 15 months after its owner passed away. The car is immaculate w/12,000 miles, except for that smell. I'm beginning to think the car is permanently ruined.

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January 16, 20100 found this helpful

Hi there We used a product called deodorant worked great, google it, hope it helps you. C

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September 21, 20140 found this helpful

November 25, 2013 Flag
0 found this helpful

I have a cute little brown mouse living in my brand new CTS coupe. I have tried moth balls and a bar of Dove soap, but from what I am reading these strategies don't claim to work! Do you have some ideas to get rid of my mouse humanly?

By Barbara

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November 29, 20130 found this helpful

I have heard that mice hate peppermint. You might want to try a box of the really strong mints (Altoids) - in a red and white tin. They are extra strong and maybe a handful of these sprinkled around in the car might do the trick. Good Luck!

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March 18, 20140 found this helpful

Try Irish Spring soap bar the smell hurts their eyes so they leave. Dove is just not the way to go...

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July 26, 2004 Flag
0 found this helpful

How do you keep mice out of your car when it sits for a while? We have a camp truck that sits for period of time. Mice seem to get into the car. Is there a way to keep them out?
- cory

June 23, 20060 found this helpful

Moth balls and Downey sheets don't work for my car, where do I get peppermint oil???

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September 25, 20070 found this helpful

Iv'e use peppermint oil for many years in our camp, cars and home it works great and doesn't leave a terrible smell that mothballs do. It can be purchased at any health food store. Put a few drops on a cotton ball and place around areas where mice signs are visible; but you do have to refreshen the cotton ball every so often. Another idea is yo put the soaked cotton balls in a small container with holes poked on the lid.

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October 20, 20080 found this helpful

(sent in by email)

Heard that peppermint oil for keeping mice out of vehicles, but will peppermint extract work?


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September 21, 20100 found this helpful
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