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Old 10-29-2018, 09:21 AM   #1
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2018 Greyhawk oil change

I was planning on doing these pretty routinely around 5k or 2xs per year.

I just looked in the manual and saw it says every 7500k. Was that recently updated from the recommended 5k in years past?

https://www.fordservicecontent.com/Fo...userMarket=USA
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Old 10-29-2018, 09:30 AM   #2
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For our 2009 Greyhawk 31FS on the E450 chassis, Ford called for an oil change every 7,500 miles. I changed the oil once a year, usually in the beginning of spring. I used full Synthetic Mobil 1 and a Motorcraft oil filter.

-Michael
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Old 10-29-2018, 09:36 AM   #3
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Quote:
Originally Posted by Studiovette View Post
I was planning on doing these pretty routinely around 5k or 2xs per year.

I just looked in the manual and saw it says every 7500k. Was that recently updated from the recommended 5k in years past?

https://www.fordservicecontent.com/Fo...userMarket=USA
Thats off some website Ford has...did you actually see that in the manual? Mine is a 2018 V-10 e450 chassis and 6 months or xxxx miles (mileage depends on usage...normal or heavy)

Leaving old oil in the crankcase that has acid from combustion is not good for the engine. That's why the 6 months is more important than the miles. I doubt many will see 7500 miles in 6 months on a motorhome or even 5000 for that matter.

Even when I get my Jeep oil changed the dealer puts a sticker on the windshield that says oil changed needed in xxxx miles or a date which is 6 months from last oil change.
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Old 10-29-2018, 09:42 AM   #4
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That's actually the manual but the online version.

I agree on the time vs miles. I use the same principal on my Corvette. Change the oil annually in the spring regardless of how many miles I put on her in the short driving season. way under 5000
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Old 10-29-2018, 09:48 AM   #5
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Mine is a 2018 V-10 e450 chassis and 6 months or xxxx miles


What viscocity?
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Old 10-29-2018, 10:49 AM   #6
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To everybody that changes in the spring, does it sit all winter ? You are probably better off changing at the end on the season and store it with clean oil.
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Old 10-29-2018, 11:10 AM   #7
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Originally Posted by Studiovette View Post
Mine is a 2018 V-10 e450 chassis and 6 months or xxxx miles


What viscocity?
This...says it right on the engine fill cap!
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Old 10-29-2018, 11:30 AM   #8
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Full synthetic should be good for an annual change. I agree with the previous poster that changing in the fall, and storing with clean oil is better if thatís your use case.
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Old 10-29-2018, 01:41 PM   #9
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Full synthetic should be good for an annual change. I agree with the previous poster that changing in the fall, and storing with clean oil is better if thatís your use case.

Your signature says you donít own a motorhome. Even if he used full synthetic he should still change it every 6 months not annually like you suggested.

Even during camping season motorhomes sit more than are driven. Your Ram Truck gets driven much differently than a motorhome. We donít just drive them around everywhere. Trip then it sits...trip then it sits...trip then it sits. Thatís hard on the oil.
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Old 10-29-2018, 02:01 PM   #10
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Can't recall the exact reason, but a buddy of mine who has a landscaping business (runs trucks) said he believed the synthetic blend to be better for the gaskets versus the full synthetic. He tried full synthetic, ended up with leaks and so went to the blend. Not sure if its true, but even if you used regular oil and changed every 5K I'd say we're in good shape.
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