you can get your question answered by a person at LOC who really knows what they are talking about when it comes to anything Lexus ...Is it fairly easy to change a thermostat in a 1992 LEXUS LS 4.0 V8 4dr Auto Saloon?maybe most are easy just follow top radiator hose back to top of motor remove hose with screwdriver with two bolts in housing and lift it off pretty much same for any car or truck some are a pain to get at but none really that hard that anyone couldnt do at home type into search box
how to replace thermostat
how to replace thermostat video
how to replace thermostat 1992 LEXUS
might find a how to not much to them really need a new gasket an da thermostats might cost 20 bucks dont forget the coolant to replaceIs it fairly easy to change a thermostat in a 1992 LEXUS LS 4.0 V8 4dr Auto Saloon?Check the fluid level first if ok make sure the engine fan is working nothing blocking the radiator bugs dirt paper?Check these before you change the thermostat and not sure how hard it is to change on your car.