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| 1993 Lexus ES300 Front View |
I am giving up with this overheating problem. It can be a fuse, relay, or even the power steering pump. I’ve tried everything so far. Thanks for all the advice, specially Lexus technicians. Thanks so much, which size fan in inches should I purchase 10 12 14 16? and they run on 12volts.
I would like to know, which universal radiator fan, can I install in my 1993 Lexus ES300? Second, where can I purchase one other than ebay and the third where do I connect it so that it turns on when I turn on the car and turns off when I turn off the car? Thanks so much.
I would like to know, which universal radiator fan, can I install in my 1993 Lexus ES300? Second, where can I purchase one other than ebay and the third where do I connect it so that it turns on when I turn on the car and turns off when I turn off the car? Thanks so much.
Answer: Many of these answers are viable, but to just install another fan and have it run all of the time is only a band-aid for the real problem. Your radiator core could be stopped up internally with mineral deposits and rust scale. If you are not one to keep coolant
in your engine instead of water then this very possible. This scale
makes a very good insulator, preventing heat transfer, meaning cooling
will diminish as well as the fan temp. Switch being rendered useless. If
this engine is truly overheating then ask yourself why the fan has not
at least cycled. Is the switch telling the fan to turn on? If it is,is
there power going to the switch,if so is it energizing the fan relay,if
so is there power to the fan side of the relay,if there is, is it coming
out of it when the relay is energized? Look at a schematic,
most of these systems are somewhat redundant in the fact that the AC
switch will activate the fan through the fan relay as will the AC high pressure switch. Has anyone checked to see if the fan is any good? Is there a thermostat
in place or has it been removed totally to try to cool things down. By
removing the whole thing these days you have created the problem. If you
must remove the thermostats in
an emergency situation, cut the center portion out and reinstall the
restrictor ring back in the housing. If you do not do that water or coolant will flow so fast through the system that it will not spend enough time in the radiator to cool. In the old days when radiators were the size of barn doors and water pumps were not so efficient removing the whole thing worked,not so today,compact radiators and superior water pump
design works as long as it is maintained as designed. As far as adding
another fan, you would be better off wiring it completely independent of
any other part of your wiring harness. Again in the old days cars damn
near had house wiring in them,you could practically weld with them,not
so today. Wiring,like everything else is factored into the overall load
carrying capability of each circuit with very little leeway,overload it
and either blow a fuse or burn something in the circuit up. Install a
fuse in the circuit that will carry the extra load and the next weakest
link will become your fuse,worst case scenario, your car. What I am
trying to say is go back to basics and ask why, with a little thought
you will find your answer, once you do it will become quite apparent. If
your fan system is working then go to the other things such as head
gasket or stuck thermostat. There are specific tests for those as well,use methodology and you will prevail over this problem. Good luck.
