Thread: how often should i change oil in my 2000 avalon xls?
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Old 05-25-2009, 12:13 AM
jonathag2000 jonathag2000 is offline
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Default how often should i change oil in my 2000 avalon xls?
Hello Everyone,

New here, nice forum!

I drive all highway miles in my 2000 avalon xls. I bought the car with 96k miles on it and I've put 40k on it, so it now has 136k miles on it.

I've changed the oil anywhere from 5k-7500 mile intervals. With all highway miles at consistent speeds mostly, is this ok, or should I switch to every 3k miles?

I've just been reading about engine sludge problems if you don't change the oil enough. My car doesn't burn any oil at all. When I do check the oil after 5k miles it is still pretty clean and the level is the same place as when I first changed it. Am I ok with my current interval? I use Castrol GTX 5w30 oil and fram filters.
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