I took the time to make sure we had the correct filter. Moral of the story: (actually there are two.) As repeated over and over on BITOG no one will look after a vehicle like someone directly attached to it. (The main difference being that the Hengst setup has the bypass built into the filter housing and the UNI has the bypass on the filter.) He had been driving around for the last 5K with the wrong filter installed. The last oil change he had paid for at a local shop, they had forced the PF2257g for the Hengst housing into his UNI housing which calls for a PF2263g. Mid change I pull the filter only to find a brown cap UNI, but here’s the interesting part. Based on a glance (and poor lighting) we identified his as a black Hengst housing and bought the “correct” filter at NAPA. Some have Hengst housings and are noted by a black cap and some have UNI with a brown cap. The engine has a cartridge filter system, but for some reason GM spec’d two different filters for this engine based on the filter housing on the engine. ![]() He has a 2017 Buick Encore with the 1.4 T engine on which I had never done any work before. Against my better judgment and in violation of the lessons of reading similar stories on BITOG, I agreed to do an oil change for my F-I-L yesterday.
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