I have never in 16 years of being a dealer technician seen a manufacturer request an oil analysis. The proof is in the pudding meaning once that valve cover is off the tell tale sign of extended drains, not changing oil, is apparent. That’s all an engineer or rep has to see to deny warranty.
So with that being said, the high idle keeps the combustion chamber and oil hot to prevent cylinder wash down, helps with fuel dilution,but doesn’t stop it, but does help with the DPF. I’m not an analysis guy but guys on here that are very knowledgeable say an analysis doesn’t tell the full story of an oil and that blackstone measure fuel, from flashpoint. You need to use a lab that uses GC to get a proper fuel % which they say Polaris /OAI does. If you pay attention to the oil temp, these trucks at highway speeds will go up to around 206 and about 216 while towing. Once idling it will go down to around 190 after 15 minutes of idling and will continue to go down. Ford recommends when towing to shut the truck down at 194-196 degrees Fahrenheit of oil temp. I personally have a 2019 Ford F-350 SRW and have a 2022 grand design solitude 380FL-R with a scale weight of GCWR 25,620. When I stop it takes 10 to 12 minutes of idle time to reach 194 from 216 degrees. Once I shut it off it’s a smooth shutdown. Listen to the guys that shut them down immediately, the shut down is very rough. And bad for the turbo.
I didn’t say oil analysis. I said service records.
Not needed. The proof is under the valve cover
Depends. If a part is on restriction or if there's an extended warranty involved, things can be different.
Do you work in the dealer world?
No, but I do have an outside experience with a few different brands.
With all due respect then how the hell do you know what goes on inside a dealership service department.
Having friends at dealers and asking the right questions…will allow you to learn things.
You saying emissions junk, but I have seen trucks with 600,000 plus miles with all the emissions stuff on and never messed with. Here’s the deal, people who buy the truck to look cool has the issues. The guys that actually use the truck for what it’s made for never have issues with anything if taken care of. I’ve seen lots of hotshot drivers trucks that are in every 2 weeks to a month for service.
Agreed my trucks are money makers not toys.... lack of maintenance and upkeep is like throwing money in a hole and I have had enough employees do that enough!
You've just answered your own question.
I always go to You Tube for advice.
my small hotshot fleet of 3 trucks is in about once a month and around 500 hours for service.
