DYI oil changes and Carfax?

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Jul 15, 2018
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illinois, usa
I wonder if there is a way to do your own oil changes and report it to Car fax.

I know the question is a little crazy but just came to mind.
 
When I buy a used car, it's far more important to me that the previous owner kept meticulous records. If you were ever to buy a car from me, you'd receive extremely detailed maintenance records, receipts, etc. (most of which are in paper and PDF). And that big ol' folder is a heck of a lot better than any Carfax...
 
Every time I sold a car, I handed the easy to read maintenance records. It was always appreciated. They could sense that I was a conscientious and competent DIYer.

My records are typically no more than a couple pages long, and only include the maintenance items that are time or mileage dependent with corresponding date and mileage written down.
 
download Car Care app on your phone and you can input it there. it's free
The maintenance section would not show any of your maintenance, only authorized entries by licensed dealers (Mazda, Pep Boys, Jiffy Lube, Ford, etc. etc.)

You can also add entries to CarFax, but it is for your eyes only, nobody pulling the carfax would see it.
 
Most of this site has threads about service intervals. When I sold our RIO, i copied and pasted out changes done of various consumables and their notes as credible evidence of care. I know many people value that -- it made our sale more desireable/hastened.
 
I used to keep folders and notebooks, mainly meant for the next guy, but I generally trade my vehicles in or pass them down to my kids, family. Dealers toss this kind of info right in the trash in my experience.
 
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Eh ... I'm not going to waste my time with facebook marketplace or craigslist to sell off nicer mats, so I'm going to leave them in the car. It's just that I think they'd be a selling point for the dealer, but they clearly disagree.
 
We bought my wifes Hyundai Tucson used on 2020 (horrible time to buy a car...) We wound up trading it in a year or so later.

Anyway, it came with those Weathertech mats. Dealer left them in.
 
This year I had a negative experience with Carfax
I found a one year old SUV for sale with only 3500 miles.
I looked at the Carfax and it showed underbody damage and four new tires etc and the fix was done by Pep Boys ( hmmmm) .... the vehicle was a repo...which I later found out.

A month later a new salesperson started contacting me wanting to sell me the car from the same dealership. I looked up the Carfax again from their website and all of listed underbody info was now missing and had been removed...

Not sure how or why ???
 
If any DIYer could do it, it would lose credibility.

I could enter that I did oil changes every 3000 miles, drain and refilled ATF every 25k miles, just replaced the spark plugs, serpentine belt, and did a coolant flush 5000 miles ago, (if it's a Honda) just replaced the timing belt and related components last month and so on. You know, 'cause people lie....
 
Yes, you can use the Carfax app for all your DIY maintenance documentation and tracking. The problem is, none of your DIY entries will show up in an official Carfax report.
DIY work does show up to anyone that uses the app and enters the VIN but the number of people using it is no doubt very low. The app doesn't know if it was you or a previous owner that did the DIY work. Here's an example:

1745854605104.webp


This is not my vehicle. It was my niece's that she sold with 100k+ miles on it, then got a notification that an oil change was due coming up on 36k miles....
 
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DIY work does show up to anyone that uses the app and enters the VIN but the number of people using it is no doubt very low. The app doesn't know if it was you or a previous owner that did the DIY work. Here's an example.........

Oh nice! I did not realize that data would transfer to a different login / username for the same VIN.
 
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