GS 300 RWD V6-3.0L (3GR-FSE) (2006)
b. Disconnect the 5 hoses.
c. Remove the 4 bolts, nut and water inlet.
d. Remove the water inlet housing gasket and water outlet pipe's O-ring.
13. REMOVE NO.2 IDLER PULLEY SUB-ASSEMBLY
a. Remove the bolt, cover plate and idler pulley.
b. Remove the bolt, cover plate and belt tensioner pulley (marking: L).
CAUTION: Do not turn the bolt L counterclockwise.