GS 450h V6-3.5L (2GR-FSE) Hybrid (2007)
9. Install the NEW design No.1 and No.2 anti-squeal shims on the brake pads. Do NOT apply any grease to the pads or shims.
A. Install the No. 1 anti-squeal shims (112 mm wide) with the coated side toward the brake pad backing plates.
B. Install the No.2 anti-squeal shims (117 mm wide with NO coating on either side) onto the No.1 anti-squeal shims.