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ihateduke

Oil Pump Leak

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While performing a timing belt change, I realized that there was a small oil leak on the rear/passenger side of my motor. It appears to be coming from the oil pump. I have the general instructions for how to replace one of these, but I was curious if I needed to replace the entire oil pump or if there was just a seal or specific part that I could swap. Any help would be appreciated!

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The following document should be helpful with your issue:

http://www.box.net/shared/o55c5697lt#/shared/o55c5697lt/1/9328827/92954991/1

There is also a 1999 RX300 manual that could be helpful:

http://us.lexusownersclub.com/forums/index.php?showtopic=52026

The 2003 RX300 repair manual at that link has a ton of documents for specific tasks. And, of course, the 2003 is basically the same as your 1999. I use it on my 2001. Good luck!

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Thanks a million for those documents! That's much easier to follow than the old repair manual. I read through the LU document, which goes into great detail on how to remove the oil pump. While it may be a good idea to remove all the oil pans and clean them, I'm trying to minimize work on this job. Now that I have a brand new timing belt installed, it's periodically squealing because it's getting oil on it. The Oil Pump was completely covered with oil, which makes me think it's the culprit, although it could be the valve cover above (which I will check tomorrow).

On page 11 of the LU document (http://www.box.net/shared/o55c5697lt/1/9328827/92955187), it appears that you can remove the oil pump via the 9 bolts, without removing all the other stuff (oil pans, etc.). Is that correct?

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