Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety. Notes: The 2005 Nissan Altima has two fairly significant problems with the floor pan rusting through & motor mounts breaking.

Altima owners report that up to a basketball-size hole develops under the floor mats where the floor pan metal rusts through. Average repair cost is over $1,000.

The broken motor mounts are less of a problem - they break at ~75,000 miles average & it's $400 to fix. Still, motor mounts should not break!


really awful
Crashes / Fires:
2 / 0
Injuries / Deaths:
3 / 0
Average Mileage:
93,345 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2005 Nissan Altima body / paint problems

body / paint problem

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2005 Nissan Altima Owner Comments (Page 12 of 14)

« Read the previous 20 complaints

problem #45

Sep 252012

Altima 4-cyl

  • 84,000 miles


Floor boards on both driver's and passenger's side severely corroded; affected area ~8X12 inches. Boards and sheet metal rusted through completely on both driver's and passenger's side, forming ~2X2 inch holes.

- Cold Spring Harbor, NY, USA

problem #44

Sep 102012


  • 65,000 miles
The contact owns a 2005 Nissan Altima. The contact stated that while the vehicle was having routine maintenance performed by an authorized dealer, it was found that the front passenger and driver side floor boards were severely rusted. The vehicle was not repaired. The manufacturer was contacted. The failure and current mileages were 65,000.

- North Canton, OH, USA

problem #43

Sep 222012

Altima 4-cyl

  • 89,447 miles
Vehicle floor under body below passenger and driver seat has rusted and about to get a hole. I called Nissan service center and they say its not in warranty. But its a safety issue and the model is just 7 years old with 89000 miles on it.

- Weatogue, CT, USA

problem #42

Aug 082012


  • 94,627 miles


I was changing the oil on my 2005 Nissan Altima and realized the floorboards are nearly completely rusted through. I lifted the carpet inside the cabin and realized it is rusted through. I had my oil changed at the local Nissan dealership for oil changes. When I inquired about the floorboards they stated Nissan Altima 2005 had a 5 year corrosive warranty for the underbody and it is out of warranty for this repair. I am concerned of the safety of driving this model. The rusted floorboards are near the front driver seats. I am also concerned because of water or mold near the front floor vents could enter the cabin through the rusted floorboards. The fort wayne Nissan stated they did not notice this rust during my oil changes. I began changing my oil when the car was just out of warranty. I immediately realized the rusty floorboards. This is a common problem in all 2002-2005 Nissan Altima problems. I would like Nissan of North America to address and resolve this issue.

- Fort Wayne, IN, USA

problem #41

Jan 052012

Altima 4-cyl

  • 70,000 miles
I got used 2005 Nissan Altima, when I got I didn't check under car. After few months I was at dealer for recalls and they told me that my car has rusted floorboard pan and its big hole in body, through that we can touch the carpet of inside car, and that kind of 2 big( approx. 8-10 inch) spot, one driver side and one passenger side, I tried to contact Nissan Consumer Affairs, but they said its not covered with warranty or any kind of recalls, means I have to fix them by myself. Its weird that its not that old car and only particular two spots not anywhere else under whole car so its kind of design mistake, some says its water drainage is holding water on that spots and that's why its getting rusted. But may be Nissan company must know exactly what is wrong with design and how to solve because its not just 10-15, its all customers problem who owns 2005 Nissan Altima.

- Bridgeville, PA, USA

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problem #40

Aug 172012

Altima 4-cyl

  • 107,000 miles
The contact owns a 2005 Nissan Altima. The contact stated that the vehicle was taken for a routine oil change when the mechanic advised her that there were holes in the front driver and passenger side floorboards. The manufacturer was notified and informed the contact that they would not assist with the repair costs. The vehicle had not been repaired. The failure and the current mileages were 107,000. Updated 11/27/12 the consumer stated there are wholes on equal places on both the driver and passenger's side floor board. Updated 11/28/2012

- Braintree, MA, USA

problem #39

Aug 062012

Altima 4-cyl

  • 139,000 miles


When having my oil changed the garage noted extreme root on the front drivers and passenger floor boards. The mechanic informed me that they could see the interior carpeting that would allow exhaust fumes to leak into the vehicle.

- Tewksbury, MA, USA

problem #38

Aug 132012


  • 135,000 miles
I noticed a loose piece of hanging metal from underneath the front passenger side of my 2005 Nissan Altima. I looked underneath and quickly found that approximately an 8" X 20" floorboard section behind the front right wheel was completely rusted out and crumbled to the ground upon touching it. The approximate mileage is 135,000 miles. This appears to be a common complaint with this make and model and Nissan needs to acknowledge that this is a manufacturing defect. It is expected this would be an issue 40 years ago, but not with today's cars.

- Morristown, NJ, USA

problem #37

Jun 062012


  • 94,733 miles
I brought my car to be serviced at glick Nissan, the diagnostic report said that the left and right sides of the floor under passenger and driver seats are rusted out. I brought my car for a second opinion from another mechanic and his report said the rust is severe and in 6 months my car will be worth nothing! upon further investigation, I find that thousands of other Nissan customers are experiencing the same problem due to a defective product used by Nissan. I filed a claim with Nissan North America, they are claiming zero responsibility, labeling the issue as an "environmental concern" and will in no way assist with repairs. Nissan should take responsibility for this issue.

- Westborough, MA, USA

problem #36

Jun 122012

Altima 4-cyl

  • 70,000 miles
It was noticed during inspection that the passenger side floorboards were starting to peel away. This is a known problem with this vehicle. Contacted Nissan about correcting the problem and they did not want to take responsibility for their poor engineering and materials of the vehicle. They should make good on the problem but they said because they didn't have enough service history, the car was out of warranty, it had to many miles. All reasons that have nothing to do with poor materials and workmanship. I think Nissan should take responsibility and correct the problem they should be investigated about the problem. This is not an isolated problem.

- Pittsburgh, PA, USA

problem #35

Aug 012012

Altima 4-cyl

  • 195,000 miles


The floor is all rusted out and will not pass inspection.

- Nashua, NH, USA

problem #34

Jul 092012

Altima 6-cyl

  • 111,000 miles
I had my 2005 Nissan Altima at my local mechanic to have some rattling underneath my car looked at. There was a loose heat shield that the mechanic fixed and he also notified me that there were large areas of rust along both floorboards. This vehicle has been meticulously maintained and washed in the winter. The last time the car was at there mechanic, there was no rust evident. Unfortunately my car is no longer under warranty and I would like Nissan to acknowledge that this is a manufacturing defect.

- Middleton, WI, USA

problem #33

Jul 112012

Altima 4-cyl

  • 85,000 miles
My vehicle is a low mileage garaged 2005 Nissan Altima which is in perfect condition except that the driver and passenger side floor boards are rotted out so that you can step through. Vehicle has been garaged and meticulously maintained with fresh water cleaning of the undercarriage when washed and especially in the spring. This is a serious safety hazard with potential for injury stepping through and possible death from exhaust fumes causing unconsciousness while driving. This is an obvious vehicle defect and should be recalled. I have read numerous incidents of this problem both on this nhtsb site and in owner forums so it is a well known problem that needs top be addressed.

- Chelmsford, MA, USA

problem #32

May 242012


  • 45,696 miles
After jacking up my mother's car for an oil change, while I was placing jack stands behind the front wheels in the appropriate jacking points, I noticed that the floor panels looked swollen underneath the rust proofing material. I began to poke at it with my finger, and my finger pushed through the rust proofing and all kinds of severely rusted metal began to fall out on the garage floor. The steel floor panel, had basically turned to rusted dust. I was able to push my finger up through the floor panel until I could feel the bottom of the carpet. Noticing no other rust anywhere else near by, I figured it had to be a manufacturing defect, so I decided to check the driver's side same location, and sure enough, was able to push my finger through the rust proofing and through rotted steel like it was nothing. This is obviously a manufacturer defect as there is absolutely no rust anywhere else on the car. The car has very low mileage, and has been very well maintained, as well as garage kept. Nissan needs to acknowledge this as a manufacturing defect, and a safety issue.

- Porter, ME, USA

problem #31

Jul 112012


  • 98,000 miles
Today while performing an oil change on my girlfriends 2005 Nissan Altima I noticed a large hole in the floor of the car. There is a large rusted out hole, only on one side of the vehicle that goes completely through to the inside. In exactly the same place on the opposite side of the car there is no rust at all. This car is washed regularly, and has no rust on the paintwork anywhere. Upon looking it up on the internet there appears to be many many people with this issue, and Nissan is trying to cover it up and not cover the replacement of parts that are clearly defective. Please help me hold them accountable.

- Everett, MA, USA

problem #30

Jul 022012

Altima 4-cyl

  • 103,000 miles
Rusted floor pan on passengers side had a 12" hole.

- Greenville, MI, USA

problem #29

Jun 012012

Altima 4-cyl

  • 88,000 miles
My 2005 Nissan Altima 2.5S has 88,500 miles on it. It is in excellent condition, except for the floor pans under the vehicle (driver and passenger sides) that are rusting through. It is apparent that this is a known problem for these vehicles and Nissan has not issued a recall. I need this fixed, as this is a safety concern for 2 reasons: Structural integrity and fumes entering vehicle. I was informed by my local Nissan dealer that the only proper repair is to completely replace the floor pan metal. The estimate for this was around $2500. I have a 2 year old son and a daughter on the way. I cannot afford a new vehicle at this time, and Nissan needs to step up and fix this!

- Jeffersonville, IN, USA

problem #28

Jun 012012

Altima 4-cyl

  • 96,000 miles
Noticed an object hanging from underside of passenger floor area. Upon examination found floorpan area completely rusted through and hanging piece was part of rusted floor pan.

- Rockton, IL, USA

problem #27

May 252012


  • 89,000 miles
The contact owns a 2005 Nissan Altima. The contact stated that the vehicle was taken to the dealer for a trade-in and the contact was informed that the floor boards on the passenger side of the vehicle were rusted. The dealer advised the contact that the vehicle was dangerous to drive and they would not take the vehicle. The manufacturer was notified and advised him to contact the dealers. The failure mileage was 89000.

- Seven Hill, OH, USA

problem #26

May 162012


  • 83,692 miles
While jacking my 2005 Nissan Altima up upon looking underneath I noticed a 4 inch by 4 inch patch of rust. After further inspection I noticed that it was rusted all the way through to the carpet inside the car. Six months ago when I was working on my car there was not rust at all. I take care of my car and inspect the car for any problems. There are no recalls for this by Nissan and this needs to be fixed. After researching I found this is a common problem with 02 - 05 Altima and is a serious safety issue.

- Newburgh , NY, USA

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