I also do have spindly little girl hands, so that might be it. ;P
-Eric Smit
I believe that most owners that want to drain the original factory oil fill prematurely do so because: 1. Not knowing what manufacturing residues are present from the manufacturing processes. 2. Not knowing what the original fill lubricant was. 3. How long the original fill has been in the engine prior to delivery, and under what conditions it had been exposed to.
I think the reason that owners change their vehicles oil prior to the recommendation by the oil life monitoring system is that when they pull the dipstick, and the oil looks like black or dark brown paint, and has an obnoxious odor; they get a little nervous about protecting their investment.
Also we must remember that the auto manufacturers are in the business of selling new vehicles; and aren't necessarily concerned about their longevity.
I agree that there is a lot of oil replaced that has a lot of useful life left; but with recycling practices in place, there should be minimal environmental damage.
Changing oil is still the most effective, economical insurance in prolonging the service life of the engines in our Sonics.
Papasonic
1- If people are that worried, pay the $20-30 for the OA. It will tell you exactly what is in the oil. On top of that, I would bet most of those people are guessing that the oil they use is the best. I have done OAs on diesels from 1 cylinder to 16 cylinders. You would be amazed on how long quality oils can last in some of the roughest conditions. Most of those engines cost in the Sonics of dollars. I am not trying to be a jerk. Just giving some perspective.
2- With GM backing their powertrain for 100k, I wouldn't worry much. I am sure the 1.4 can do much better than 100k. Worry about the rest of the car, the internals will likely look better.
3- Semi-blends and synthetics have no issue sitting for the duration of waiting to be sold. Because they have so few miles waiting on the lot, the only issue is water. One test drive will take care of that.
Dark oil is a part of the life cycle, it is suspending particles. That is a good thing. If it didn't, that would turn into sludge. Smells are something going very wrong and not the fault of the oil. However, both dark and smelly oil is a condition which could be caused by short trips. Easy to figure the cure, spend the day cruising.
I keep hearing of this plan that car companies have to "make" their cars run down. The real issue is cost. GM could make a sonic that could go 500K miles in 10 years, but no one would buy it due to the cost. That is why dump trucks and other forms of heavy machinery cost so much. They are made to last is harsh conditions for years. Even then they have issues.
I also keep hearing about this cheap insurance. To me it sounds more like what you are trying to fight. You are trying to avoid costs, when changing your oil more often is a cost. With that said, how many times have you seen, not heard, engine internals going bad in a motor? Most times cars give up the ghost due to everything else around the internals.
Of course I am talking about people who follow their car's OCI. My last car was a VW TDI PD, the cam was going bad. It wasn't the oil, it was the engineering. You can find sites and forums on that by the boatload. You could even change the oil every day, it still wouldn't go much beyond 125k miles. To me the oil changing issue is emotional, which there is enough science to prove otherwise.
Oh, and tuned cars that are driven hard should have shorter OCIs. However, the oil life meter accounts for being driven hard.
Drive more, worry less, and floor it once in a while.
you are definitely a breath of fresh airI also keep hearing about this cheap insurance. To me it sounds more like what you are trying to fight. You are trying to avoid costs, when changing your oil more often is a cost. With that said, how many times have you seen, not heard, engine internals going bad in a motor? Most times cars give up the ghost due to everything else around the internals.
Of course I am talking about people who follow their car's OCI. My last car was a VW TDI PD, the cam was going bad. It wasn't the oil, it was the engineering. You can find sites and forums on that by the boatload. You could even change the oil every day, it still wouldn't go much beyond 125k miles. To me the oil changing issue is emotional, which there is enough science to prove otherwise.
Oh, and tuned cars that are driven hard should have shorter OCIs. However, the oil life meter accounts for being driven hard.
Drive more, worry less, and floor it once in a while.
Ok so I changed my oil with 700 miles on it. As others have mentioned the oil was on the dark side for whatever reason. I had one small chunk of metal, not sure if it was aluminum or steel but to me it looked like just a booger off of the inside of the block rather than something that broke off.
I saw no metal flakes or silver or anything like I expected and I have to be honest, don't do your first oil change at 700 miles. If I knew it was going to be this clean I would have just waited until 5K or whatever.
^See, told ya so! The break-in oil needs time to do it's job, 700 miles was waaay too early, they don't put that sh*tty of an oil in it from the factory. Today's oil is much better than the past, which will in turn last much longer than everyone thinks.
There is no such thing as "break-in oil"
There was way back when. It had more zinc and other elements in it. Modern motors do not use it. Even when rebuilding a older motor u run a cheap oil for a break in cycle then change to good oil
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The only reason I'm doing my oil now at 700 miles is because it was a brand new engine. Sure, I hear new engines from the factory are pretty well broken in, but either way I feel its best to get some fresh oil in there.
After this, I will be doing my changes in the 8k-10K range most likely as I have for the past 5 or 6 years. I do agree it is meaningless to change oil simply by looking at it.
That said, I have never heard anything regarding oil needing to break-in before. Another forum I frequent has a member that works for a major oil manufacture and I do not recall him ever mentioning this. Maybe I just have forgotten which is entirely possible.
Just because YOUR first oil change was perfect doesn't mean everyone else's was too. There is a member (I don't remember who) who posted a thread with photos of his first oil change very early with lots of metal flakes throughout and a yellowish greenish tone floating on the surface.
Just like there have been a good number of lemon Sonics, breaking down and having serious problems. Mine never had those problems, but that doesn't mean it doesn't exist. There CAN be bad batches of oil and you don't know until you dump it.
To me, spending the $30 or so on new oil is way worth knowing my car has good oil and not worrying "I hope GM didn't put a bad batch in my car, oh well."
I like to trust car manufacturers but it really comes down to the guys at the factory trying to rush home. Do they care about your Sonic going down the line?
SHort trip city with synthetic I will be changing it between 3-5k. Regardless of what the experts say, I feel that the investment of a new vehicle is worth it to change the oil a little more often and not risk any issues. The slight increase in cost is worth it to not worry about the engine having an issue down the road. I plan on driving my car for far more than the 100k warranty. Only doing 10 oil changes in that time is unacceptable to me.