Replace Dryer From Modulator

WARNING: This page is about a different car, the 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

Using a hexagon wrench (10 mm, 0.39 in.), remove the cap from the modulator.
Remove the filter from the modulator.

Fig 1: Replacing Dryer From Modulator
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Insert a new dryer into the modulator.
NOTE:
- Do not remove the dryer from a vinyl bag until inserting it into the modulator.
- Install the dryer with its 2 layered part faced upward to the modulator.
Fig 3: Inserting A New Dryer Into Modulator
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Insert the filter into the modulator.
NOTE: Install the filter with its protrusion faced downward to the modulator.

Fig 4: Inserting Filter Into Modulator
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Install the cap to the modulator.
1. Apply compressor oil to the O-rings and screw part of the cap.
  Compressor oil: ND-OIL 8 or equivalent
2. Using a hexagon wrench (10 mm, 0.39 in.), install the caps.
  Torque: 12.3 N.m (125 kgf.cm, 9 ft.lbf)
Fig 5: Identifying Modulator Cap O-Ring
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002