2016 Volvo 380hp EVC oil pressure

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2016 Volvo 380hp EVC oil pressure

Postby Catch22 » Sun Sep 23, 2018 12:40 pm

Does anyone know what the acceptable oil pressure range is, at idle, for a 2016 Volvo Penta 380hp EVC motor?? Earlier this year when I started the boat oil pressure was in the high 50’s, and seemed to stay in that range when I was up on plane. Approximately 2-3 weeks ago, I noticed when running the boat at 1100-1200 rpm’s the pressure was in the mid to high 40’s(didn’t look at pressure this day at idle). Yesterday (2 weeks later from the previous reading) when I started the boat it was at 37psi at idle, and went up slightly when I was up on plane and running at 20-25mph. I am not getting any warnings, no oil in engine compartment, and I checked the oil prior to starting the boat to ensure proper oil level.

Any thoughts?? Should I be concerned??

Steve
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Re: 2016 Volvo 380hp EVC oil pressure

Postby gofast24 » Tue Sep 25, 2018 10:59 am

The oil PSI is a function of engine/oil temp's, fill volume, engine RPM, and SAE oil viscosity, with your readings i wouldn't be concerned. Have you changer the oil and filter and if so, when? A partially plugged oil filter will cause the oil PSI to drop as it starts to bypass the filter (If it has a internally bypass valve int it) when the filter gets partially plugged. I use SAE 10W-40 full synthetic oil as the engine room never gets below 40F (engine room heater in winter !) Dont need a 5W oil undr these circumstances.
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Re: 2016 Volvo 380hp EVC oil pressure

Postby Catch22 » Tue Sep 25, 2018 12:18 pm

The oil/oil filter get checked/changed every fall/winter during winterization. However, if the oil is clean (as I don't typically put many hours on a boat during the year...I've put 25 hours on the boat in the last 15 months), my guy won't change it to save me a few $$. I will check the oil filter. I followed the Volvo guide and use 5w oil in mine. Appreciate the advice!!
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Re: 2016 Volvo 380hp EVC oil pressure

Postby cbsmith » Tue Sep 25, 2018 3:17 pm

Even with low hours if the boat is going be laid up for a number of months the oil should be changed every fall. There is moisture and acids and things in the oil that will sit in the bottom of the engine, bearings, etc all winter. Oil should never be run longer than a year regardless of how little hours are on it.
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Re: 2016 Volvo 380hp EVC oil pressure

Postby Chris_in_Texas » Tue Sep 25, 2018 7:19 pm

I would use heavier oil in DFW area. During the hot time, I would make sure you have the 10W40 in the engine. The thinner 5w30 will get to thin with the 100+ days. My older boats without cats I would run and the dealers recommend straight 40 weight oil for the VP engines. In the cold the pressure would be pretty high until the block heated up.
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Re: 2016 Volvo 380hp EVC oil pressure

Postby gofast24 » Thu Sep 27, 2018 10:34 am

I still vote for 10W-40 full synthetic unless you are in the artic (Northern Canada) . If you actually run the engines up to full operating temps the combustion products that get bypassed thru the piston rings into the crankcase will get boiled off and drawn into the the combustion air inlet via PVC valve ,the TBN (alkalinity) of the oil additives will neutralize what ever is left in the oil,.Personally if you only put 15 hours on the engines and they were fully warmed up and ran for few hours I wouldn't have a oil change every fall (unless you have a lot of money for the oil change then go ahead and do the change in fall! Would suggest you get a oil analysis and it will determine if you TBN number indicates a overly acidic condition and them change the oil. Just a final note = If your engines are still under factory warranty change the oil every year :)
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Re: 2016 Volvo 380hp EVC oil pressure

Postby Chris_in_Texas » Thu Sep 27, 2018 2:50 pm

gofast24 wrote:I still vote for 10W-40 full synthetic unless you are in the artic (Northern Canada) . If you actually run the engines up to full operating temps the combustion products that get bypassed thru the piston rings into the crankcase will get boiled off and drawn into the the combustion air inlet via PVC valve ,the TBN (alkalinity) of the oil additives will neutralize what ever is left in the oil,.Personally if you only put 15 hours on the engines and they were fully warmed up and ran for few hours I wouldn't have a oil change every fall (unless you have a lot of money for the oil change then go ahead and do the change in fall! Would suggest you get a oil analysis and it will determine if you TBN number indicates a overly acidic condition and them change the oil. Just a final note = If your engines are still under factory warranty change the oil every year :)



I agree here, you have to follow the service requirements from VP if you want the warranty to be enforceable. Especially because after the initial 2 years it goes to a 3rd party and they will do all in their power to get out of paying the bill, and because Volvo requires changes at least once a year regardless of hours they can use that to deny any claim. ;) As silly as it is, it spelled out in the contract for that extended 3 years of coverage.
Thanks, Chris

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Re: 2016 Volvo 380hp EVC oil pressure

Postby gofast24 » Fri Sep 28, 2018 10:33 am

Yes, cant fight city hall if you actually have factory warranty existing on your engines, have the oil changes every year or 100 hours, but =
Many years in the engine business and supplying engines from 8 BHP up to 8000 BHP (diesel and/ or gaseous fueled ) all engines above approx. 400 HP the recommended oil change interval was based solely on oil analysis, not hours of operation. Our 8000+ HP engines had oil sump capacity's of 4 to 5 barrels of lubricating oil (840 US quarts). Gets real pricey to drain that much oil out and replace with new just based on one year operation or x number of operating hours. In the case of our "small" engines it is probably just as easy to pay for a annual oil change than a $40/$50 oil analysis to determine if your 5 qts. of oil ($15/$30) could remain in the engine over winter or not. ? Bottom line always better to just have the oil and filter changed once per year or at 100 operating hours to be on the safe side.
OK, time to sail tomorrow AM, weather forecast low to mid 80'S and mostly sunny :)
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Re: 2016 Volvo 380hp EVC oil pressure

Postby Catch22 » Mon Oct 01, 2018 9:23 am

Good advice all!! I appreciate the feedback. I am trying to read between the lines here, am I understanding it correctly that a lighter weight oil (5w vs. 10w) may run at a lower psi? Particularly as it gets older and begins to break down??

Quick update - I did speak to the dealership, and was informed that anything 20psi and above, at idle, is a good number for my motor. Curious to know what you all think about that number?

Also curious to know what date that 3 year warranty ends? I have a 2016, so does the warranty expire on Jan 1 2019? Does anyone know?
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Re: 2016 Volvo 380hp EVC oil pressure

Postby gofast24 » Mon Oct 01, 2018 10:35 am

Catch22 wrote:Good advice all!! I appreciate the feedback. I am trying to read between the lines here, am I understanding it correctly that a lighter weight oil (5w vs. 10w) may run at a lower psi? Particularly as it gets older and begins to break down??

Quick update - I did speak to the dealership, and was informed that anything 20psi and above, at idle, is a good number for my motor. Curious to know what you all think about that number?

Also curious to know what date that 3 year warranty ends? I have a 2016, so does the warranty expire on Jan 1 2019? Does anyone know?


If you bought the boat new the 3 years, I assume, start on the day the vessels was first put into operation by the originals owner. Dont know if Regal allows a second owner to continue the 3 year warranty or not (and most likely the VP engine warranty is different from the vessel warranty) ?
Oil PSI at idle = If the engine is warmed up then 20 PSI at idle (600/800 RPM) is OK. What is the pressure with the engine above about 3000/4000 RPM? On our 2001 VP 8.1 GSiI-A inboards (860 hours) we have about 25/30 PSI at idle and 55/60 PSI at 3000+ RPMs, but I use 10W-40 full synthetic oil . Again, it depends on the viscosity of the oil your running and the actual oil temp's under those conditions. Also, I dont change oil based on what time of year it is but at 100 engine operating hours! Naturally, our boat stays in the water year long, lake never freezes so no need to winterize/change oil/filters, lucky here after moving from WI in 1996 :)
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Re: 2016 Volvo 380hp EVC oil pressure

Postby Chris_in_Texas » Sat Oct 06, 2018 12:00 pm

Volvo on new boat does a 2+3, where 2 years is covered by VP, and then the remaining three is a transferable extended warranty from a 3rd party company. I think normally VP uses FPC for this, but could be wrong. That three year is transferable if its done within X days and for some amount of fee, normally $50-100. The date is from the first sold date is when everything starts. So the model year of the boat has nothing to do with it. It would be spelled out in all the paperwork for the warranty.

Yes the 20PSI number is good at idle, that is typical. After the engine is good and warmed up the pressure will be lower from cold. That is always why you change the oil when hot, so that it can flow better to be removed when sucking it out of the engine. Same for a car, you want it hot to flow out much quicker out of the oil pan.
Thanks, Chris

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2002 - Crownline 230BR VP 8.2GSiPEFS - DP-SM - SOLD
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