2002 Nissan Xterra Temp gauge rise to H and cools down.

2002 NISSAN XTERRA
10,001 MILES • 6 CYL • 2WD • AUTOMATIC
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02 XTERRA
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My 02 Xterra temp gauge rise to H and cools down. No signed of engine overheating,no boiling signed.I did a pressure test and no leaks inside and out.I have replaced the termosta,waterpump,radiator and temp gauge sending unit and still the same problem.
Jul 18, 2010 at 1:00 PM
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RASMATAZ
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Test the thermostat if okay also test the coolant temperature sensor/gauge switch sending unit both okay -temperature gauge could be out of calibration or there's airlock in the cooling system that needs bleeding out.
Jul 18, 2010 at 4:12 PM