Bought my first used car - switching to synthetic?

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Hello all,

I just added a *fourth* vehicle to my family's "fleet". It's the first used vehicle I have ever purchased in my >35 years of driving.

The vehicle is a 2010 Toyota Camry LE with the 4-cylinder engine. One prior owner. The vehicle was placed in service on August 15, 2009, so it was apparently one of the first 2010 models sold. Nearly three years later, the vehicle has ONLY 10,700 miles on it! It has a clean car fax, etc. Toyota's online records indicate the vehicle was serviced in May of 2010 for a recall campaign - nothing was mentioned about whether the oil was changed, and at that time, still only had about 950 miles on it. So, it was apparently used *very* little. I do not have the original oil change records, though. The dealer claims the oil was changed when the car was traded in, because it is a Toyota Certified used vehicle, which means it comes with a warranty. Judging from the car's appearance, both inside and out, it was probably garage kept - the car is immaculate.

For this vehicle, Toyota recommends a change interval of 10,000 miles or one year, whichever occurs first, assuming 0W-20 is used. I have already made the decision to use Amsoil 0W-20, as I intend to stick very close to the 10K/1 year interval. In fact, based on how I intend to use this vehicle, I expect it will probably take close to a year to accumulate 10K miles.

My question, given this history, is how to play it conservatively given I don't know the engines complete oil change history, nor do I know what oil was used. Here is my plan: The car now has 10,800 miles. I intend to change it immediately, using Amsoil signature 0W-20 and a new filter, change it again at 15K using the same type of oil, then change again at 20K and continue at 10K/one year. Does this sound like a good plan?
 
Seeing how VA has state inspections I bet the car got its oil changed at least annualy when it was in for a sticker. If I were you I'd assume it was up to date. No need for the extra change at 15.
 
Originally Posted By: boosted
No just stick to Dino.


Why would you recommend this instead of the factory recommendation of synthetic and a 1 year, 10,000 mile OCI?
 
Originally Posted By: motor_oil_madman
I would stick to dino and do 5000 mile oci instead.


Why? I have used synthetic (M1) and a one year OCI for 35 years. Until I retired back in 2001, this was 18,000 to 20,000 miles a year. My cars were as quiet and smooth at 140,000 miles as new. Since I am old and retired now, I am driving about 9000+ miles per year now; I am still using M1 (0W40 now) and changing once a year.
 
Originally Posted By: 1999nick
Originally Posted By: boosted
No just stick to Dino.


Why would you recommend this instead of the factory recommendation of synthetic and a 1 year, 10,000 mile OCI?


Who knows why they would. Personally I'd use easily obtainable oils like QSUD or M1 AFE 0W-20...
 
Some clarification - Now that I have four vehicles in the family, and am very busy with other things, I want to minimize oil changes as much as I can. If I use a high-quality synthetic, there is no reason I shouldn't be able to stick to the factory recommended 10K/1 year interval.

But, as I recall, Amsoil in particular had recommendations on how to handle things as far as switching a used engine to synthetic - I believe they recommended shortened initial intervals as the synthetic may clean out residue left by other oils. Since the oil change history is not completely known, I think this would be wise. I looked on Amsoil's website, but could not find their recommendation.

I should also add - I have done a lot of UOA on Mobil 1. Since they switched to their low sulfated ash (SN) formula, I have not been impressed with Mobil 1's UOA retention in either the EP nor the AFE formulas. I believe the Amsoil signature series would hold up better.

That's the perspective I am coming from...
 
Last edited:
Originally Posted By: btanchors
Hello all,

I just added a *fourth* vehicle to my family's "fleet". It's the first used vehicle I have ever purchased in my >35 years of driving.

The vehicle is a 2010 Toyota Camry LE with the 4-cylinder engine. One prior owner. The vehicle was placed in service on August 15, 2009, so it was apparently one of the first 2010 models sold. Nearly three years later, the vehicle has ONLY 10,700 miles on it! It has a clean car fax, etc. Toyota's online records indicate the vehicle was serviced in May of 2010 for a recall campaign - nothing was mentioned about whether the oil was changed, and at that time, still only had about 950 miles on it. So, it was apparently used *very* little. I do not have the original oil change records, though. The dealer claims the oil was changed when the car was traded in, because it is a Toyota Certified used vehicle, which means it comes with a warranty. Judging from the car's appearance, both inside and out, it was probably garage kept - the car is immaculate.

For this vehicle, Toyota recommends a change interval of 10,000 miles or one year, whichever occurs first, assuming 0W-20 is used. I have already made the decision to use Amsoil 0W-20, as I intend to stick very close to the 10K/1 year interval. In fact, based on how I intend to use this vehicle, I expect it will probably take close to a year to accumulate 10K miles.

My question, given this history, is how to play it conservatively given I don't know the engines complete oil change history, nor do I know what oil was used. Here is my plan: The car now has 10,800 miles. I intend to change it immediately, using Amsoil signature 0W-20 and a new filter, change it again at 15K using the same type of oil, then change again at 20K and continue at 10K/one year. Does this sound like a good plan?


JMO I think that is a great plan!
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Originally Posted By: Scum_Frog
At 10,700 miles the car is still new. Use a good quality synthetic, run it the recommended OCI and call it a day. .



This would be my recommendation. At 10,700 miles, there should be no need of 2 short interval OCI's.
 
Agreed. At only 10,700 miles, there isn't much oil change history to know. Even if it's on the factory fill, the car would still be somewhat on schedule for its first change anyway.

Dump in your quality synthetic of choice and don't give it another thought for another 10k.

Oh, and greetings from Reston.
wink.gif
 
Originally Posted By: 1999nick
Originally Posted By: Scum_Frog
At 10,700 miles the car is still new. Use a good quality synthetic, run it the recommended OCI and call it a day. .



This would be my recommendation. At 10,700 miles, there should be no need of 2 short interval OCI's.


+2

Oil choice is fine, but yes, run it for a full OCI!
 
You should have Toyota's new engine, the 2.5L 2AR-FE I4 which specs 0w20 vs. the former 2.4L 2AZ-FE I4 used from 2002-2009 (started as 5w30 and migrated to 5w20 syn or dino over the years).

Any 0w20 syn would be fine. According to posts here Pennzoil Platinum 0w20 is the closest in thinness to the Toyota 0w20. IMO Toyota engines love M1. Toyota uses XOM for their modified brew, maybe they think so too.
 
0w20 is synthetic oil so I would just change it now to your favorite oil and change it again at the next 10K miles or at the year. Forget the 5K oil change as a total waste of good oil & dollars. Ed
 
Originally Posted By: ABerns
Originally Posted By: 1999nick
Originally Posted By: Scum_Frog
At 10,700 miles the car is still new. Use a good quality synthetic, run it the recommended OCI and call it a day. .



This would be my recommendation. At 10,700 miles, there should be no need of 2 short interval OCI's.


+2

Oil choice is fine, but yes, run it for a full OCI!

+3
Engine is still relativley new (mile-wise) and Toyota's synthetic 0W-20 has received rave reviews on BITOG. Or you can try any other oil that you prefer (Amsoil, PU, PP, QSUD, etc.) that meets your engines needs. And Toyota certified means that they did in fact change the oil amongst other things.
 
If you want to find out if you have synthetic in the sump right now.....call the Toyota Dealer and ask for documentation that they used synthetic in the vehicle under the Toyota Guarantee.

I bet Toyota used Bulk Dino. The dealerships know it will run fine with short OCI's of Dino, instead of the expensive synthetic.

I'd run Dino for the first 20K, in short OCI's of 2K to 3K, to get out any excess metal during the break-in period.
 
Originally Posted By: 1999nick
Originally Posted By: Scum_Frog
At 10,700 miles the car is still new. Use a good quality synthetic, run it the recommended OCI and call it a day. .



This would be my recommendation. At 10,700 miles, there should be no need of 2 short interval OCI's.


Agreed. Nothing to clean up with that extra 5K mile change. One OC now at 10,700, next one at 20K.
 
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