You asked: ''What would be the purpose of a TOP plug if it is never used?''
The top plug is used in two situations:
1. When doing an oil change. Open the top plug and put oil in until it weeps out of the top plug, then it's full.
2. When checking the oil level and nothing comes out of the bottom plug you close the bottom plug and open the top plug. Then add oil, a quart or more, until oil weeps out of the top plug.
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Today's Featured Article - On the Road with Dave Gohl: Deere Departed Friend - by Dave Gohl. Have you ever had to part with a dear friend? It's not easy. If it's due to death, your feelings could be in disarray for days, months or even years. Even now after almost 4 years, I still miss my dad. I remember when I was a kid my dad sometimes would tuck my brother and I in at night and we would ask him questions about his childhood on the farm. To this day, it's some of the best stories I've ever heard. And now, I'm so glad that I asked those questions, and if I were a little smarter i
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