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Where is the engine block of a 1999 Lexus rx 300 and do I need to take the engine block to replace the knock sensors?
Wiki User
∙ 13y ago
Your engine block is the main part of your engine that holds the crankshaft and pistons internally. Your knock sensors, there are two, are screwed into the top of the engine block in the valley between the cylinder heads. You don't have to remove the engine block, you do have to remove the upper and lower intake manifolds to get to them. I changed the sensors in my 99 rx300, long day!
Wiki User
∙ 13y ago
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