I occasionally disassemble my outside shower connections and clean the detent balls and lube them. They stick because the balls get rusty, not because the seat is sticking. I prefer not to hit flimsy plastic fittings. To take it apart just remove the snap ring in the front.
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2011 F-350 C.C. 4X4 LWB 6.7PSD
2010 Montana Mountaineer 345DBQ
2005 F150 FX4
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