Toyota 13405-56031 FLYWHEEL Sub-Assembly

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To remove the transmission, raise the vehicle and support it securely on jackstands, then remove the transmission. If it's leaking, now is a good time to replace the front pump seal/O-ring for automatic transmissions. For manual transmissions, remove the pressure plate and clutch disc, and consider checking or replacing the clutch components and pilot bearing. Make alignment marks on the flywheel/driveplate and crankshaft to ensure correct alignment during reinstallation. Remove the bolts securing the flywheel/driveplate to the crankshaft, using a pry bar or screwdriver to prevent the flywheel from turning. Carefully remove the flywheel/driveplate, supporting it while removing the last bolt. Clean the flywheel to remove grease and oil, inspecting for cracks, rivet grooves, burned areas, and score marks, with light scoring removable using emery cloth. Check for cracked or broken ring gear teeth and warpage using a straightedge. Clean and inspect the mating surfaces of the flywheel/driveplate and crankshaft, replacing the crankshaft rear seal if leaking. Position the flywheel/driveplate against the crankshaft, aligning the marks made during removal, and apply thread locking compound to the bolt threads before installation. Wedge a screwdriver into the ring gear teeth to prevent turning, and tighten the bolts in a criss-cross sequence to the specified torque. The remainder of the installation follows the reverse of the removal procedure.

Remove the bolts securing the flywheel/driveplate to the crankshaft. If the crankshaft turns, wedge a screwdriver in the ring gear teeth to hold the flywheel/driveplate.