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the thermostat is under the air assembly,monted onto the cylinder head.there are three screws holding the thermostat,remove screws,dissconnet the housing and pull the thermostat out.Assembly is the reverse steps

In addition to the above, you need to pull out the aluminum tube that slides into the back of the housing and change the large o-ring. This will also aid in pulling out the thermostat housing. Remove the hose clamp, hose and 13mm bolt on the bracket supporting the tube going into the thermostat housing. Remove the 3 10mm nuts holding the housing and remove the thermostat.

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โˆ™ 2010-01-22 01:37:43
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Q: How do you replace the thermostat located on a 1999 Lexus rx300?
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How to replace thermostat 2001 Lexus rx300?

How to replace a thermostat on a 2001 Lexus RX300


How do you replace the thermostat located on a 2001 Lexus rx300?

The thermostat on a 2001 Lexus RX300 is replaced by removing the upper radiator hose and unbolting the thermostat housing. The thermostat can then be removed, a new gasket installed, and the replacement thermostat placed in the housing.


How much to replace timing belt on a 2002 Lexus rx300?

Lexus manufacturer recommend replace timing belt on Lexus rx300 every 105,000 miles.


How do you replace a knock sensor on 2000 Rx300 lexus?

need change knock sensor 2 bank 2 in 2000 lexus rx300


When do you replace the timing belt on Lexus rx300?

at 90K or 8 years.


How to replace antenna on Lexus rx300?

Take the new antenna and your RX300 to Circuit City. They will install it for about $50.


What should it cost to replace struts on 2003 Lexus RX300?

225.00 a corner.


Where is fuel filter located in 1999 Lexus RX300?

It is in the fuel tank.


Where do you find the PCV Valve on a 2002 Lexus RX300?

The PCV valve on a 2002 Lexus RX300 is located on the passenger side of the car underneath the hood. The valve will be on the rear valve cover.


How do you change the spark plugs in 2001 Lexus rx300?

How do you change the spark plugs in 2001 lexus rx300?


How much does a tune up cost for 2000 Lexus RX300?

Tune up for 1999 rx300 Lexus


Where is Location of oxygen sensors on 2001 rx350 Lexus?

Wher are the oxygen sensors located on a 2001 rx300 Lexus SUV


The clock keeps reset 100 am 1999 Lexus rx300?

You need to charge or replace your battery


How do you change the battery on a 2000 Lexus RX300?

You take it to Walmart and buy a new battery. They will replace it for free.


How do you remove the glove compartment for a rx300?

how do you remove the glovebox in an rx300 lexus 2002


Where is the PCV valve for a 2000 Lexus rx300?

The PCV valve for a 2000 Lexus rx300 is on the passenger side of the engine. It is on the valve cover near the back.


How do you remove the front lamp assembly on a Lexus RX300 to replace the left turn signal bulb?

look in your owner's manual


Water gets into my Lexus rx300?

Go to your local Lexus Dealer. Or get an M.O.T


Lexus RX300 Side Marker Lights?

What about them?


Where was the 2000 Lexus RX300 manufactured?

Japan


How do you change the rear sidelight on a Lexus RX300?

how to change the rear sidelight on a Lexus 350


What are the speaker size in a 2000 Lexus rx300?

they are 6.5"


When should Lexus rx300 plugs be changed?

100K


Average lifespan of the Lexus rx300?

7 years!


How much does it cost to replace a rear main seal on a Lexus rx300?

About $1000-2000, depending upon if independent repair service or dealer.

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