Well your assumption is incorrect, I firmly snap the filter into the cap before reinstallation. However your assumption peaked my curiosity enough to look into the matter. I couldn't find any information on which technique or procedure is recommended by GM. I watched a few youtube videos and there are folks showing both methods, inserting the filter in the housing and snapping the filter into the cap.I’ve never had that happen over the 48k miles and all the oil changes that I’ve done. It sounds like you may not be snapping the oil filter into the cap before screwing the cap on. You’re not just inserting the filter into the housing and then screwing the cap on, are you?
For this to happen both times tells me it’s user error.
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Regardless I snap the filter into the cap, and pre-oil the O-rings, whether that's the correct method or not that's how I've always done these cartridge filter changes in the past without issue on other vehicles. In my 56 years I've done more than my fair share of oil changes and repairs both large and small on my families fleet.