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!


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
64,000 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 electrical problems

electrical problem

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2005 Nissan Altima Owner Comments

problem #1

Nov 212007

Altima 4-cyl

  • Automatic transmission
  • 64,000 miles


Car will jerk and cut off suddenly without warning, when car is in motion and when sitting still idling. Makes driving very hazardous. Found out a recall on the crankshaft sensor so called local Nissan dealer and took in for the repair. Found out Nissan only allows dealer to reprogram the sensor under the recall. This, according to the dealer, probably will not fix the problem, after 3 days of driving with no event, it started again. I found out this is a major recall involving thousands of Altima's. also, since the 2005 model, the Nissan Corp. Has redesigned this sensor because of all the past problems. The local dealer that reprogrammed the sensor said we will have to pay $194 to replace it. When Nissan redesigned this sensor due to problems in the past, they should stand by the owners of the still defective parts that reprogramming does not fix, and replace the sensor as part of the recall. This is absurd to pay for a replacement part involved in a recall. The reprogramming did not fix the sensor, the dealer said numerous times it has not. (with other owners) this problem with the car suddenly failing almost caused serious injury to has cut off suddenly numerous times on the expressway and I had to navigate/coast to right side, , pull of the road and restart. Also, when sitting at a stop light, stop sign, it cut off suddenly, when taking foot off brake and trying to accelerate, causing the car to slowly roll out in oncoming traffic, not realizing engine had failed. This puts anyone in your car in serious danger. I fear it is going to cause an accident, I never know when the engine is to fail.. if going at a higher rate of speed it will sometimes jerk, , then cut off, or fail with no warning. When idling it consistently fails. No jerking. Because the sensor is linked to the computer system, check engine light stays on all the time.

- Lexington, SC, USA

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