
SCION tC 2007 SUPERCHARGER
Procedure
Page 5 of 36
Issue A: 04/10/07
(b) Remove top engine cover. 10 mm socket.
(c)
Drain engine coolant into a clean receptacle
for re-use later.
Caution: Be sure to wear eye
and hand protection. Also, be sure to allow
radiator and engine to cool sufficiently before
opening system to drain. Loosen Radiator
Drain Cock Plug (Wingbolt by hand) and
Cylinder Block Water Drain Cock Plug. 10
mm wrench. Fig. 1.
(d)
Check TRD thermostat. Be sure Thermostat
reads 71
°C / 160°F on the inside bottom of the
Thermostat. Fig. 2.
(e)
Remove OE Thermostat housing and factory
82
° C (180°F) thermostat. (Fig. 3.) Note: You
may need to temporarily remove oil dipstick
for better access. Use OE rubber thermostat
gasket and place onto the TRD supplied 71
°C
(160
°F) thermostat.
(f)
Install TRD 71° C (160°F) thermostat. Be
sure jiggle valve is in the 12 O’Clock position
within +/- 10 degrees. (Fig. 4). Replace
thermostat housing. (
Torque to 80 in-lbs)
(g)
Remove upper radiator hose. Fig. 5. This
will not be re-used. Temporarily disconnect
Air Fuel Ratio (AFR) Sensor at the electrical
connector Fig 6. Place the blacken section on
after supercharger bolt tightening
Fi
. 4
Fi
. 3
10 m
Fi
. 5
Fi
. 2
Fi
. 6