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Has any one done this job (water pump) on lexus 2002 RX300?

As a fact; I must remove the timing belt in order to remove both camshaft sprockets,then the metal timing belt cover which cover partially the water pump.My main question: Do I have to lift the engine and remove the two water pump studs- Which normally holding the right engine mounting.And where I can rent ,or buy a camshaft locking tool with low price


Yes, I have done at least 100 of these water pumps. You are correct, remove the timing belt, cam gears and rear cover is the easiest route. I have done them without removing the rear metal shield all the way, and only removing the front cam gear as well. You can remove the front cam gear, and all 6 bolts to the rear shield and shift the cover enough to get the pump out from behind the cover. You shouldn't need to remove the water pump studs, but if you do get a set of stud removers. I bought a set from snap on for around $50 or so years ago. Sears also sells a set. You don't need a cam locking tool. You can make one out of a bar with two bolts through it to stop cam from rotating while you loosen the 17mm nut on the cam gear. I usually just use an impact gun on the bolt, and no tool is needed to hold it. Remember, the 1MZ-FE engine is an interference engine, and the timing belt must be aligned perfectly or the pistons WILL hit valves and engine will self destruct. If you are near ILlinois I can help with repairs if needed.
You can just jack up the motor from the oil pan with a floor jack with a piece of wood instead of removing the studs, just needs to go up a inch to get the bracket and water pump off.

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