No , the 3.0 liter V6 engine in a 2001 Lexus ES300 is not an interference engine According to the Gates website ( they make timing belts etc. )
The 2001 Lexus ES300 uses the 1MZ-FE Toyota V6 engine, which has a timing belt.
go to this site www.mkiv.com-techarticles-spark_plugs-na-6.jpg
It should be right under the exhaust manifold and in front of the radiator. From the front view its in the middle of the engine.
open the hood , its located infront of radiator feedingintothe exaust.
Well, darling, the fuel pump on a 2001 Lexus ES300 is located inside the fuel tank. So, if you're feeling adventurous and want to replace it yourself, get ready to drop that tank like it's hot. Just make sure you disconnect the battery first, unless you're into fireworks.
I have a 2001 es and it is in the back between the engine and firewall, down low and you can get to it from the drivers side (not easy to get out).
In the 2001 Lexus ES300, the AC relay is located in the engine compartment fuse box. To access it, open the hood and find the fuse box near the driver's side. The relay is typically labeled, so check the diagram on the cover of the fuse box for identification. If you need to replace it, ensure the vehicle is off and take proper safety precautions.
The 2001 Monte Carlo emergency flasher relay switch and the turn signal flasher relay switch are the same. The flasher relay switch simply plugs in and out.
should be on top of valve cover This picture will help you find the PCV valve http://www.clublexus.com/forums/es300-and-es330-forum/418700-2001-lexus-es300-pcv-where-is-it.html What you really need to know is that if your engine has been desludged the L shaped plastic PCV valve would have been replaced with the metallic, straight screw in PCV valve first introduced in 2002.
The labor cost should be around $120 dollars. Hopefully you can get a couple of estimates and go with the cheapest.
IT IS LOCATED UNDER THE ENGINE COVER, THER WILL BE A HOSE CONNECTED TO IT. TAKE TEH ENGINE COVER OFF WITH 10MM SOCKET. IT IS LOCATED UNDER THERE NEAR THE FIREWALL. Have you heard the phrase a picture is worth 1000 words? The picture of this vehicle will help you find your pcv valve. Check it out: http://www.clublexus.com/forums/es300-and-es330-forum/418700-2001-lexus-es300-pcv-where-is-it.html