On Fri, 07 Jan 2005 17:49:08 GMT, Al Kondo > wrote:
>I have a 96 Nissan Sentra with a 1.6 liter engine and has 120k miles.
>It recently began overheating and I had to turn on the interior heater
>to drop the temperature down. Since I do most of my own work on the
>car, I have done done a number of things to resolve the problem...
>but, with no luck so far. I need some suggestions on what else I can
>do.

>Here is what I have done so far:

>1. Brought the radiator to the radiator repair guy in town. He did
radiagor good

>2. Changed out the water pump and thermostat. I decided with 120 k
pump and thermostat probably good

>3. I checked the fluid in the radiator as the engine was warming up
bad head gasget

>I brought the head to a automotive machinist in town and his
>estimation was that the head did not show signs of antifreeze leakage
>in the head combustion area. He indicated that the valve area of
>the leakage would show obvious signs if such leakage occurred.


>After all of this I am not sure what I should check out next. I need
>suggestions. My first thought is that maybe I should change out the
>radiator anyway just to eliminate that as a problem. What do you
>think??

Check the fuel mixture and timing including timing belt alignment (not
off a tooth). Leave the damn radiator alone.
Plan on doing a valve job.