Input Shaft: Inspection

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT FRONT CLUTCH CLUTCH DISC
1. Check whether the sliding surface of the disc, plate and flange are worn or burnt. If necessary, replace them.
  NOTE:
  - If the lining of the disc is peeling off or discolored, or even if a part of the printed number is defaced, replace all the discs.
  - Before assembling new discs, soak them in ATF for at least 15 minutes.
    
    Fig 1: Identifying Front Clutch Clutch Disc
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT FORWARD CLUTCH RETURN SPRING SUB-ASSEMBLY
1. Using vernier calipers, measure the free length of the spring together with the spring seat.
  Standard free length:
  
  21.69 mm (0.8540 in.)
  
  Fig 2: Identifying Free Length Of Spring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002