Unit installation
2008 SCION xB SUPERCHARGER INSTALLATION
Procedure
Issue A: 04/28/08 Page 24 of 48
14. Supercharger drive / unit installation
(a) Remove supercharger assembly from packaging
and place onto a workbench.
(b) Install the three 3/8”-16 UNC x 1” Socket Head
Cap Screws that mount the supercharger to the
engine/bell housing bracket. 5/16 inch Allen
wrench. (Fig. 14-1). T
orque bolts to 25 ft-lbs.
(c) Apply a very small amount of Teflon paste to
the tapered threads of the TRD Supercharger Oil
Feed Fitting. Attach the oil feed fitting to the
Supercharger oil nozzle using a 1/2” box
wrench. (Fig. 14-2). NOTE: Use a second
1/2” wrench to hold the supercharger fitting in
place as you tighten the TRD fitting into it.
(d) Set the supercharger assembly onto the bell-
housing (Note: The supercharger unit is
removed from the bracket for clarity only.) with
the supercharger drive pulley side on the outside
of the alternator. (Fig. 14-3).
NOTE: While
placing the supercharger unit on the engine,
thread the previously installed CPS extension
wire through the drive pulley bracket opening.
(e) Install two 12 x 1.25 x 80 SHCS TRD bolts
provided (10 mm “LONG” Allen wrench).
Leave bolts loose for now. (See Fig 14-4).
>NOTE: All auto. trans. applications require
two supplemental spacers to be installed
between the s/c bracket and the vehicle trans.
housing. The short spacer fits onto the upper
screw and the longer spacer is to be placed at
the lower mount location.
Fig. 14
-
3
5/16 “Hex
Fig. 14
-
1
1/2” wrench
Fig. 14
-
2
Fig. 14
-
4
10 mm Hex










