I received the Hella pump today, a day earlier than I expected. couldn't wait topull out the OEM, and install the new pump. That was 2 hours or more ago. I still haven't got the locking ring back on.

I even got the wife to come help me, because of my bad left wrist & thumb, and my entire right arm is getting worse by the day (I know, excuses, excuses), and we finally gave up. Dhe went back to her new living room make-over project, and I'm in my office looking at videos to see what I'm missing, or doing wrong.

I'm making sure that the tab on the upper edge of the pump assembly is going into the slot of the serrated ring, but whenever I'm trying to hold down the pump (it's strongly trying to pop-up), and simultaneously trying to get the locking ring to catch threads, it cocks sideways and I lose my grip.

What am I doing wrong? I've never ever had a problem installing an in-tank pump before, but it's happened now.

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01 BMW X5 E53,3.0i-5L40E, 7/13/01
topas-blau,Leder-grau,"resto-project car"

Here:
14 Lexus ES350,3.5L-U660E
09 HHR Panel,2.2L-4T45E
04 Chevy 2500HD,6.0L-4L80E
98 GMC Sierra 1500,5.7L-4L60E

Gone:
66 Chevelle Malibu 2dr ht.,327>441c.i.-TH350>PGlide/transbrake
08 Cobalt Coupe,2.2L-4T45E
69 & 75 C10s,350c.i.-TH350
86 S10,2.8L-700R4
73 Volvo 142,2.0L-MT4
72 & 73 VW SuperBeetles,1.6l-MT4
64 VW,1.2l-MT4
67 Dodge Monaco 500 2dr ht.,383c.i.-A727
56 Chevy 210 4dr,265c.i.-PGlide