This link gives a good description of the process. It's specifically for a 1994 ES300, but the process is fundamentally the same:
http://us.lexusownersclub.com/forums/index.php?showtopic=44136&mode=threaded&pid=282723
1992 Lexus es300 wear the thermostat is located
The oil pressure switch on 1992 Lexus es300 is located just besides the engine.
1992 Lexus es300 wear the thermostat is located
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No there have been three body changes between those two years.
About 5,697
In the gas tank under the rear seat
What is the avg cost to fix a 1992 Lexus ES300 blown head gasket? Please help!
16 per O'Reilly's Auto parts Store
That should be the factory amp for your car stereo
you take the old one out and then put the new one in dummy
headgasket leak and exhaust gas is getting into the coolant