Tacoma 4WD V6-4.0L (1GR-FE) (2006)
a. Scrape any metal powder off the serration part of the wiper arm with a round file or equivalent (when reinstalling).
b. Clean the wiper pivot serration with a wire brush.
c. Operate the wiper, then stop the windshield wiper motor assembly at the automatic stop position.
d. Install the front wiper arm RH onto the position with the nut as shown in the illustration.
Torque: 21 N.m (209 kgf.cm, 15 ft.lbf)
HINT: Hold down the arm hinge by hand to fasten the nut.