I took the support off and there is enough space to put my regular 8mm hex on a ratchet in there.

The trans lines is why I didn't touch the radiator I was gonna take it out at first but when I saw the trans cooling lines and what I got to do I figure this gotta work without rad removal and it is a cake.

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2003 GX470
1998 E300 3.0TD
2002 Dodge 2500 4x4 cummins
1998 Dodge 3500 5 speed Cummins