I could not loosen black retaining ring that holds catridge

來源: 2025-09-13 20:27:51 [舊帖] [給我悄悄話] 本文已被閱讀:

ChatGPT suggests this bonnet nut wrench. 

I will try WD40 spray and soak 1st tomorrow. I tried gental hammer to loosen it but no luck. 

https://www.youtube.com/watch?v=oB1jRBEzfOc

2:44. He plied it so easily. Mine is too tight.