The timing chain tensioner on our 2005 Toyota Corolla S starting seeping out oil recently. I did some research and apparently it's a common problem on all the ninth generation Corollas (2003, 2004, 2005,
2006, 2007, & 2008) equipped with the 1ZZ-FE 1.8L I4 engine.
I bought the new part and some RTV silicone sealant to fix the problem. I took pictures of the process and created a quick guide to help out other owners with the same problem.
Here's the guide -
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I hope someone finds it to be useful.Cheers, Paul Michaels Ft. Lauderdale, FL