When should I change factory fill?

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My 2004 Toyota Tacoma 3.4 has 2,500 mile on it. I wanted to wait untill 5,000 miles to service it but Im a mechanic and its hard to break old habits! Should I just do it at 3,000 miles or wait untill 5k? The truck is driven everyday about 15-20 miles in a mix of highway and light traffic. and since my wife drives it, the a/c is always on. I will be using Toyota filters and mobil1 5w30. (only because M1 is in every store in my town, even the Giant and Safeway)
 
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Do whatever you are comfortable with. Either way you won't be putting bad omens in your engine. some people say it is taboo to take out the "break-in" oil from teh factory b/c it has a lot of Moly. people like me like to change the filter and oil several times before the 5,000 mile scheduled OCI. The only advice I can give is to use a quality oil and change it out every 3,000 (Organic) or 5,000 (PAO) or 10-15,000 miles for a Polyol Ester based oil (i.e. Red Line). The cheapest insurance is an oil and filter change.
 
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The concensus on this board is that the factory fill is Mobil Drive Clean, so you could just drain and refill with that if you were so inclined.
 
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[Cool] I have always done my first oil change at half the recommended OCI, then at the regular OCI after that. So if your Toy calls for a 5000 mile OCI, I would change it at 2500, then at 5000 and every 5000 after that. My 2 cents.
 
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Dealer changed my 2004 Toyota 4.7 V8 at 1800 miles and then again at 5000 miles. Toyota does not use break-in oil. I'm with you I don't know if it helps but it made me feel better. Do it!!! I use Castrol GTX 5w30 and will change it every 3750 miles with OEM filter. I will go to Mobil 1 later just because while under warranty I like to have the dealer do the service, quick, easy, cheap and any problems are covered and no conflict on who did what. When I start doing the changes I also would use the Mobil 1. Good luck.
 

Thumper_sr5

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I couldn't wait! I changed it today with 2,519 miles on factory oil. I replaced it with a Toyota filter and 5.5 qts. of Mobil1 5w30. I plan on doing the next service at 7,500 but we'll see what happens.
 
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Eldora, Colorado 9000'
I have a 02 Toyota Tacoma V6 that I bought new and changed the oil at 500 miles on toyota dino oil/filer. At 2000 miles I went to M1 5W30 and a few changes thereafter. Here are the changes currently at 25K on my truck. It's never used a drop of oil. And it seems to love the GC 0W30. I've used a 5-7K OCI since I abuse the oil in hot, stop-go, desert traffic. I should get a UOA on this current batch of GC. 500 miles Toyota Dino Oil/Filter 2K miles M1 5W30/Filter 7K miles M1 5W30/Filter 12K miles M1 5W30/Filter 17K miles Delvac 1 5W40 24K miles German Castrol 0W30
 
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The warranty on my 2002 Toyota said If I didn't bring it in for a change at 1000 km plus or minus something like 50 km, I voided my warranty. I got there at 1020 km with my own Delo.
 
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