Lingenfelter L300080607 Lingenfelter Suburban Yukon Aux Fan Kit AC Clutch Control 2005-07 vE - Manual (Page 7)

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17. Mark with a center punch the location of
where the fan shroud mounting holes overlap
the factory front support structure as shown on
the left (yellow arrows).
Using a 3/16” drill bit, carefully drill four holes
(two per fan) into the “A” shaped frame. Only
drill through the front face of the frame, do not
drill all the way through the frame.
6.
18. Secure the fans to the “A” frame using
the supplied self tapping screws (AV12351 &
AV12354). On the driver side use the longer
30mm screws along with the supplied 1/4” thick
round spacers for the smaller 9” (225mm) fan.
Install the spacers between the fan mounting
feet and the holes in the “A” frame.
The fasteners shown in the images are silver
for better visibility in the images and are not the
self tapping fasteners supplied.
20. Un-clip the gray locking tabs securing the
fuse block and remove fuse block center.
19. Remove the plastic cover from the main
fuse and relay center.