Thought some of you might want to see what is involved in installing one of these on a NAS D1.
REMOVE
Front bumper
disconnect headlight washer hose from tee fitting
undo side marker light bulb connection
remove 10mm nut holding side bumper cap to fender
remove 4x bumper to frame bolts
remove bumper, set aside
Auxiliary transmission cooler
place pan under each frame rail
loosen nut from cooling line on each side of cooler
remove cooler line, discard o-ring
remove 4x fasteners using 10mm wrenches, set cooler aside
remove upper transmission line from radiator, set aside
hood latch and support bars
remove fasteners and spacers from lower hood support bars using 10mm wrenches
remove 3x fasteners from hood latch using 10mm and 8mm wrench
disconnect spring from latch, set aside
air dam between bumper and radiator (usually gone by now, but remove bolts if they are still there)
remove fasteners using 10mm wrenches
refrigerant dryer/filter bracket
remove 3x screws using 10mm socket
slide filter bracket down from dryer
Modifications:
refrigerant dryer/filter bracket
cut bracing on lower tab of bracket, rebend tab to position flange approx .15" further away
rebend upper tab to position flange .15" further away
paint, reinstall
horns
remove horns
reinstall on opposite side
hood latch and support bars
drill new hole on left side of grill to move support bar back as far as possible without bending against the aux fan
apply paint to bare metal
reinstall hood latch support bars and spacers, using new hole on left side, original hole on right side
reinstall hood latch and spring
REMOVE
Front bumper
disconnect headlight washer hose from tee fitting
undo side marker light bulb connection
remove 10mm nut holding side bumper cap to fender
remove 4x bumper to frame bolts
remove bumper, set aside
Auxiliary transmission cooler
place pan under each frame rail
loosen nut from cooling line on each side of cooler
remove cooler line, discard o-ring
remove 4x fasteners using 10mm wrenches, set cooler aside
remove upper transmission line from radiator, set aside
hood latch and support bars
remove fasteners and spacers from lower hood support bars using 10mm wrenches
remove 3x fasteners from hood latch using 10mm and 8mm wrench
disconnect spring from latch, set aside
air dam between bumper and radiator (usually gone by now, but remove bolts if they are still there)
remove fasteners using 10mm wrenches
refrigerant dryer/filter bracket
remove 3x screws using 10mm socket
slide filter bracket down from dryer
Modifications:
refrigerant dryer/filter bracket
cut bracing on lower tab of bracket, rebend tab to position flange approx .15" further away
rebend upper tab to position flange .15" further away
paint, reinstall
horns
remove horns
reinstall on opposite side
hood latch and support bars
drill new hole on left side of grill to move support bar back as far as possible without bending against the aux fan
apply paint to bare metal
reinstall hood latch support bars and spacers, using new hole on left side, original hole on right side
reinstall hood latch and spring