Loyale 2.7 Turbo
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So, back to the 2012 Sorento subject of this thread; I tried to find an explanation and a possible way to avoid an explosion, or at least, something to do in order to elongate the Engine's Lifespan. After searching online several nights, for long time, without success; I convinced my Friend, the owner of this 2012 Sorento, to let me check the state of the inners on his engine, and do a deep cleansing on it, finally pour fresh oil and a new filter on it; with the Promise of not modifying anything without his consentment. What I found, after opening it, was the normal scenario for an almost 90,000 miles, in-line four cylinder engine; some varnish and little sludge, because it was well cared, and has been using Valvoline's full synthetic motor oil, only. Nothing looked out of place, no debris nor abnormal sludge accumulation; the only weird thing that I found, was a simple thing that looked like a Bad idea in my mind: I found a metal cap that blocks almost all the entrance area at the opening of the oil pick up tube going to the oil pan (carter); which has only a very tiny hole on it, to let access the oil for being sucked by the oil pump; which limits too much the lubricating capabilities of the system. Such cap is often known as a "Baffle" as it gets confused with the genuine baffles that older cars' engines had there; those baffles were shaped similar to a spoon to aid oil suction to the oil pick up tube, whenever the vehicle travels on inclined terrains, curves and steep slopes... But these engines doesn't have a Baffle as it should be, No; they have a cap with a tiny hole at the oil pick up tube's opening. That's it, period. Oh my God! ... ... this surely limits the flow of motor oil during hard / deep accelerations, restricting the amount of oil flowing, mainly in the mere moments where lubrication is needed the most, during hard accelerations or power needed. In my own humble opinion, said cap with a small hole, in front of the filter mesh at the oil pick up tube's opening, was placed there as part of the "Programmed Obsolescence" industrial way of thinking; as such oil flow restriction could be the cause of the premature wear and thus might explain some of the well known problems and issues of these engines, as it leads to improper lubrication, thus means having very hot spots on the engine's metal; then mix that with the high pressure GDi fuel injection system; and you'll realize how such mixture becomes a time bomb...
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Well, here in Honduras, not only Hyundais and Kias has been exploding randomly, each week... ...but even some Fords (ecobost, known locally as "EcoBoom") like this ones: ~► Here, and ~► Here, and even some Toyotas, like this local one:
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Let me share some photos with you. This is how my Friend's 2013 Hyundai Santa Fe 2.0 Turbo engine, ended after exploding while cruisin' @ ~ 60 Mph: A broken inner piece trespassed the Block's metal so hard... ...that it even damaged the Starter Motor outside! He really was in Huge danger, not only was hazardous loosing control of his car with the family inside; but also it was dangerous to be stranded in the late night in a solitary road in this little and crazy country, you know... Also, six months lasted the search for a suitable replacement engine, besides the sky high expensive costs, he lost a needed car for all that time. Nightmarish, isn't it?
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I do not want to open a can of worms, but regarding the sadly, well known issue with this Theta and Theta II engines on these Kias: And their almost twin brothers in the Hyundai lineup; and also having experienced the Engine's explosion on a friend's 2013 Santa Fe 2.0 Turbo; and seeing what happened to his car's engine in person; and finally after reading too much information regarding said explosions and seeing online videos on the Subject; I wondered why nobody talks about finding something to do in order to avoid these explosions from happening; everybody talks about them, shows photos and videos along their stories, but seems like no one cares about prevention... if any could be done on these engines. And I was really worried for my Friend who owns a 2012 Sorento with one of those 2.5L in-line four cylinder engines... as he travels very long with his car, across many central-american countries, along his family... So, I tried to figure out if there is anything that could be done to these engines, that could help to elongate their lifespan and avoid explosions and seizures from happening.
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A little background story of the Model, in my own words: The first gen of the Kia Sorento was an old fashioned SUV, you know, front engine with rear Differential and some models got a powerful V6 engine that could compete with sports cars from its age; however that was during the late years of Kia being Kia, because since the Hyundai purchase, the true "Ford-Mazda-Kia" spirit that once the company had, faded to the much more crappy and commercial "Hyundai-Mitsubish¡t" Spirit, you know... ...So, this Second gen of the Kia Sorento is nothing else than a third gen of the Hyundai Santa Fe, but showing another interior, body and brand logo on it; sold thru other distribution; somehow looks like a different vehicle but mechanically both are the same, plattform, engines, transmissions, etc... Long story short: I had to deal with some of those; troubleshoot their weakest areas and improve them as much as I could, fixing the known problems and unknown ones, and transforming those onto much safer vehicles, under a low budget; yes that was possible, the solutions are easy and works flawlessly and, as usual; I wanted to share them here freely to you; as they could help many people to improve their Sorentos, and even their third gen Santa Fes, among other related models in certain subjects.
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My three Girls (Mom, Wife and Daughter) plus I, are now with Covid, as it finally reached us somehow... it has been Hard ...but hoping to survive this excruciating chagrin, I'll write again, sooner or later.
Greetings from Honduras.
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Do you have Photos of the event to share with us? Kind Regards.
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Let me say that your Subie has one of the Cleanest Engine bays that I've seen. Kind Regards.
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Sadly, I had to sell my Father's Pick Up Truck (which can be seen here), because I needed the Money to Repair the problems on the House and also to Repair my Mercury Coupé, among other expenses I had to face, such as Legal paperworks, etc, etc, etc... somehow my Life has complicated too much since my Father died, sadly, but I hope I'll solve all the problems, as soon as possible. Now, that my little & crazy country has became the reign of chaos due to the very bad politicians and their awful decitions; I don't feel good to take out the Mercury Coupé outside the Garage, as it attracts too much attention, people comes to see it and take Photos, girls take selfies with it on Gas Stations and wherever I park it; so, I don't enjoy too much from Driving it, especially since my Father is not with me, it only brings too much memories from my childhood and somehow brings a Sad feeling... I found at a local mini supermarket of this small town, a Hot Wheels replica Toy of my Coupé, see:
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After that, we only changed the old motor Oil with this one, as usual: with Lucas oil stabilizer Additive and a fresh Wix oil Filter And the Good old Mercury Comet is Good to Go, once again! Thanks to God.
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The tank already with the red coupling hose, the fuel level sending unit, the electric fuel pump and the new fuel filter, in place: installing the new set on its place: view from underneath, fixing in place the new electric fuel pump:
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My friend mechanic gave as gift, this small red Hose wich is exactly same wide and long size than the one that the Mercury has, to couple the Fuel Filler Funnel with the Gas Tank's inlet pipe, as the original one was almost rock hard, after more than five decades of being there.
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Testing the new Fuel Level Sender Unit
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Prior to install it on the Mercury, I painted its outside with Premium anti Rust / Anti Gravel Paint
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The brand new replica fuel tank came on a merchant vessel, as shipping costs are one third from the airway cargo, so it delayed some months to came, but when we went to pick it up at the cargo and courier companie's office, and once it was inside my Wife's car, the compact sedan "KiaStein", I realized how Huge my Mercury coupé is.
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My Father and I changed the Steering Wheel on the early nineties, as the Horn on the original Steering Wheel was some kind of metallic Bow which sadly got broken in two and was made from some sort of manganesum alloy which wasn't repairable; also, the Leather on its middle part got rotten and was crumbling away, that steering wheel was the weakest part from all the Coupe for sure... ...this Steering Wheel from a Cadillac, was purchased brand new by my Father in 1989 at the dealer in San Pedro Sula city and fitted to the Mercury's splines on the bar, as perfect as a factory replacement.
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Suddenly, the new parts started to come, one by one; the first was the Fuel Level Sender unit... ...from Collier's Classics. This is my Coupé's interior, by the way: Along came the electric Fuel Pump, as these parts came via airways.
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Meanwhile those new parts were coming to Honduras, with the help of a mechanic friend, we Cleansed completely the Fuel line, and changed the part of it that were on the engine bay, using new, flexible fuel line, everything is 5/16" Look how the Fuel Filler Funnel, came out from the Coupé: We also completely Cleansed it:
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Also, this brand New fuel Level sender unit:
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Also, this electric Fuel Pump:
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So, I obtained this, online:
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So, I started to search and research about the cause of this abnormal Rust and were to find a suitable replacement. The excessive rust has been caused by non-pure Gasoline; as you know, this MuscleCars from the 1960's era, were designed to run on plain jane Gasoline with lead; so a galvanized treatment were enough as anti rust protection for the fuel tank; however, as times and decades passed by, the gasoline that we could buy on the stations, has other chemicals added, such as certain types of alcohol, that degrades the regular galvanizing treatment. That explains why the Tank survived pretty good its first four and a half decades, until the chemically "Different" gasolines were widely and solely available. So, I found a company that makes replica fuel tanks in USA for almost any car, and this Coupe was on their list; the two advantages of the Replica over the Original one, are, the new treatment used for rust proofing the metal, which is some sort of stailess steel instead the old galvanizing process, which provides better resistance to these chemically modified fuels of nowadays; and the Replica Tank has a drain plug, which the original one didn't has.
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it is Rusted beyond any attempt to repair it! Look inside the Tank! People might need an antitetanic vaccine just by looking at this Rust!
