1993 Toyota Camry system over heat

1993 TOYOTA CAMRY
193,000 MILES • 4 CYL • 2WD • AUTOMATIC
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COOK YFZ
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system overheating, seems like thermostat not opening (its new) Tested and replaced the following rad, cooling fans, coolant temp switch in rad, #1 fan relay, thermostat w/ gasket, rad cap, coolant. i'm getting 220f deg outlet of head manifold but only 160 f deg to inlet to rad side of thermostat housing.
any ideas??
Jun 15, 2009 at 11:11 AM
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DOCFIXIT
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Hi
Does it boil over? Gague goes to max?system checked for carbondioxide and/or hydrocarbons to see if exhaut gases entering water jacket.
Let me knowThanks for donate
Jun 15, 2009 at 3:15 PM
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COOK YFZ
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1.) no, 2.) yes, 3.) co2 ok, hco ok no water in oil.

could it be air bleed problem?
thermostat is new stant without bubbler port.
Thanx
Jun 15, 2009 at 3:37 PM
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DOCFIXIT
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Radiator is droping 60 deg. that is excellent. With a 195 deg thermo 220 in a pressurized system is normal. Have you considered the gague is faulty and/or engine temp sender. At 176 deg .5 ohms at sender at 212 .2 ohms. See what yours reads located back engine near distributor
Jun 16, 2009 at 8:00 AM