GXRV10ABL01 The nut on the elbow on the housing cap contacts the housing cap, making it difficult to connect and disconnect. This has caused a leak from the elbow at the housing cap. 1) Do i need a replacement elbow or a housing cap as well. 2) when i install the new parts is it possible to have a nut or elbow that allows better clearance from the nut to the housing cap?