Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2012 Scion xD Automatic TransFACTORY OEM SERVICE PROCEDURE

Input Shaft: Reassembly: Reassembly

INSTALL INPUT SHAFT OIL SEAL RING
1. Coat a new input shaft oil seal ring with Toyota Genuine ATF WS or equivalent, and install it to the input shaft.
  
  Fig 1: Identifying Input Shaft Oil Seal Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL FORWARD CLUTCH PISTON O-RING
1. Coat a new clutch piston O-ring with Toyota Genuine ATF WS or equivalent, and install it to the forward clutch piston.
  
  Fig 2: Locating Forward Clutch Piston O-Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL FORWARD CLUTCH PISTON
1. Install the forward clutch piston to the input shaft.
  
  Fig 3: Identifying Forward Clutch Piston
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.