• Tiny
  • georgiamendoza
  • 2005 Nissan Altima
  • 2.5L
  • 4 CYL
  • automatic
  • 180,155 miles

My 2005 Nissan Altima keeps overheating. I have replaced the radiator, hoses, and thermostats.
But it keeps overheating. It looks like there might be some sort of leak on the drivers side near the wheel well as that has been wet with water.
Advice please.

Do you
have the same problem?
Wednesday, January 15th, 2014 AT 4:47 PM

1 Reply

  • Tiny
  • caradiodoc
  • Expert
  • 25,775 posts

I can't see the leak so you'll need a live person to search for that. A pressure test might be called for or I can describe how to use a small bottle of dye. The dye works best with slow, hard-to-find leaks.

For overheating, start by having your mechanic perform a chemical test at the radiator. That involves drawing air from the radiator through a glass cylinder with two chambers partially-filled with a special dark blue liquid. If that liquid turns bright yellow, the cylinder head gasket is leaking. Combustion gases will seep into the cooling system and pool under the thermostat. Thermostats don't open in response to hot air. They must be hit with hot liquid.

Was this
Wednesday, January 15th, 2014 AT 5:02 PM

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