https://youtu.be/53IYXsxZDfo?t=868
In a nutshell, the guy, a well regarded, beyond-belief meticulous and salt-of-the-Earth YouTube mechanic's wife recently bought a KIA GDI engine that explicitly spec'ed a fairly high grade synthetic 5W-30 oil.
When he called the dealers trying to procure said oil, it appeared that the brand's own branded oil was not available. For dealer oil changes, when he consulted with 3 dealers, he was informed that the dealers use bulk oil that was more than likely not synthetic and that the dealer was unable to identify to him the actual oil they used.
How widespread is this sort of "lubricant fraud"? When people take their vehicles for service at the dealer of the brand, they have an expectation that maintenance will be performed to manufacturer's stated specifications including the use of the proper fluids.
Might this be one of the big elephants in the room regarding the notorious GDI intake issues that the OEMs are having extreme difficulty even replicating, let alone dealing with in their designs? The overly frequent DIY oil changers have their overly frequent oil changes to blame for some of the GDI problems. Those who get their services done by dealers at even "normal" intervals may have dealers that don't appreciate the importance of using on-spec oil. Some of the worst cases by far that I've seen in various car forums appear to involve a combination of overly frequent, *and* quickie lube or dealer servicing.
In a nutshell, the guy, a well regarded, beyond-belief meticulous and salt-of-the-Earth YouTube mechanic's wife recently bought a KIA GDI engine that explicitly spec'ed a fairly high grade synthetic 5W-30 oil.
When he called the dealers trying to procure said oil, it appeared that the brand's own branded oil was not available. For dealer oil changes, when he consulted with 3 dealers, he was informed that the dealers use bulk oil that was more than likely not synthetic and that the dealer was unable to identify to him the actual oil they used.
How widespread is this sort of "lubricant fraud"? When people take their vehicles for service at the dealer of the brand, they have an expectation that maintenance will be performed to manufacturer's stated specifications including the use of the proper fluids.
Might this be one of the big elephants in the room regarding the notorious GDI intake issues that the OEMs are having extreme difficulty even replicating, let alone dealing with in their designs? The overly frequent DIY oil changers have their overly frequent oil changes to blame for some of the GDI problems. Those who get their services done by dealers at even "normal" intervals may have dealers that don't appreciate the importance of using on-spec oil. Some of the worst cases by far that I've seen in various car forums appear to involve a combination of overly frequent, *and* quickie lube or dealer servicing.