I was aware of the issue from the forums and took the valve cover off. Hyundai changed the chain in 2013 I think it was.I have the same vehicle and am curious what symptoms you saw leading up to having to replace the chain? 40 weight oil and 5k change intervals with a high quality oil would seem to be the perfect combo for this engine. Very surprised that even most timing belts would've outlasted this chain.
Hyundai originally speced 5w20 and that's what came in it. They changed that in a TSB the next year to 5w30 and higher depending on ambient temps. Up to a 60w in Saudi Arabia I hear.I presume that the oil dilution would effectively reduce the 40 to something much thinner. I wonder if 3K OCIs would have helped?
I should know this, but is this a different engine than Ford's old small-block 302/5.0? If so, is it an OHC engine? (I've never owned a Ford, and haven't done a lot of work on them.)My fiancé's son's 2014 F150 with the 5.0 made it to 190,000 miles using 5W-20 Motorcraft blend using 9-10K mile oil changes before needing timing components. He drives mostly long distances and uses the OLM.
well, a thinner oil overall can be compromised in film strength from break down and fuel dilution.Yes, I thought there was something I had seen here on BITOG about that. But can anyone explain why that would be?
Wiki to the rescue - the new Ford 5.0 is part of the Modular family, like the 4.6. Unlike the original, it's almost "square" (i.e. bore and stroke are nearly equal). And as @wtd said, it's DOHC.Thanks, I'll check it out - as I recall, the old pushrod one was way oversquare, with a bore of 4.00" and a stroke of 3.00". Curious as to what the dimensions on the new one are.