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.


fairly significant
Typical Repair Cost:
Average Mileage:
95,000 miles
Total Complaints:
2 complaints

Most Common Solutions:

  1. not sure (2 reports)
2004 Nissan Sentra cooling system problems

cooling system problem

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2004 Nissan Sentra Owner Comments

problem #2

Jan 102012

Sentra 1.8

  • Manual transmission
  • 135,000 miles


leak in the cylinder head

First major repair within the first year of owning

- , brantford, Ontario, canada

problem #1

Aug 052010

Sentra S 1.8L

  • Automatic transmission
  • 55,000 miles

I have a 2004 nissan sentra with only about 55k mlies on it at the time (last year) when I was told my head gaskets were blown. I agree, this is totally ridiculous. My coolant levels are always low. I have to keep putting more in it like I'm putting gas in my car, but there are no signs of any leaks, my check engine light comes on, and stays on for months, then mysteriously goes off, then a month later comes back on again, the heat is not working. At first i just didn't work with fan speeds 3 and 4, just cold air blowing. Now it only works every other time I turn my car on. And now, for some reason, my oil light is flickering when I'm stopped at a light, then goes off when my foot is off the brake. RIDICULOUS!!!

- , Philadelphia, PA, canada

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