Jessyj Posted April 15, 2009 Share Posted April 15, 2009 I have a nissan pathfinder 1995, when i have the ac on it tends to start overheating what might be the problem? any suggestions? Link to comment Share on other sites More sharing options...
95RedPathfinder Posted April 16, 2009 Share Posted April 16, 2009 I have a nissan pathfinder 1995, when i have the ac on it tends to start overheating what might be the problem? any suggestions? It could be your water pump or thermostat. Link to comment Share on other sites More sharing options...
Precise1 Posted April 18, 2009 Share Posted April 18, 2009 Scale/deposits on the inside of the cooling system, old coolant or even your fan clutch if it does it when you are stopped. The AC condenser (heat exchanger) sits in front of the radiator. If your cooling system is already borderline capable, the added heat from the condenser could let the temperature climb. Without better information, I start checking the entire cooling system. B Link to comment Share on other sites More sharing options...
GrimGreg Posted April 18, 2009 Share Posted April 18, 2009 Your fan clutch might be toast. Link to comment Share on other sites More sharing options...
adamzan Posted April 18, 2009 Share Posted April 18, 2009 Weird my temp gauge is usually always at 1/4 and it rises to almost 1/2 with the a/c on in the city. I tried it out today to see if it still worked... Link to comment Share on other sites More sharing options...
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