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oil consumption 2009 corolla and valve trrian noise
I posted a few weeks ago about the 2009 Corolla XE that I purchased from a Toyota dealer with 95,500 miles. Within days a buying the car it began to make a brief loud rattle on cold starts. People on this forum directed me to the VVT and they were right on. The car came with a 60 day warranty so they replaced the timing gear at no cost to me problem solved.
Now several weeks later, last night when I got out of the car with the engine running I heard a pretty loud noise that sounded like one valve very out of adjustment. This morning when I started the car the noise was no longer there but when I checked the oil it was a quart low. I have put about 1800 miles on the car since I bought it and the oil was changed at the dealer right before I bought it. I thought it being low on oil might be causing the noise. I took the car to the dealer and explained everything, the put a quart of oil in it and said to bring it back in about 1000 miles to check it out.
When I got back home the noise was there again so I guess being low on oil wasnít the cause. In terms of oil consumption the service rep said Toyota considers up to 1.1 quarts per 1200 miles to be normal oil consumption. This sounds like a lot to me. Anyone know anything about this?
And in terms of the noise that sounds like a loose valve Iím beginning to think it had something to do with the work they did to replace the timing gear. Any ideas what would make this noise come and go? Doesnít seem to be any relationship to operating temp or how long the engine has been running.
So I guess I have two problems, potentially an oil consumption problem and a intermittent loud noise that I donít like the sound of. My power train warranty expires Nov 19.
And does anyone know if the valves on 2009 are adjustable, the service rep said they were auto adjust?
Thanks in advance and sorry about the length of this post.