Lexus 32101-48010 Gear Sub-Assy, Drive Plate & Ring

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Remove the engine/transmission assembly from the vehicle, then remove the transaxle from the engine. Make alignment marks on the driveplate and crankshaft to ensure correct alignment during reinstallation. Remove and discard the old bolts securing the driveplate to the crankshaft. If the crankshaft turns, wedge a screwdriver in the ring gear teeth to hold the driveplate. Remove the driveplate from the crankshaft. Be sure to support it while removing the last bolt. Automatic transmission-equipped vehicles have spacers on both sides of the driveplate. Keep them with the driveplate. Installation: Clean the driveplate to remove grease and oil. Inspect the surface for cracks. Check for cracked or broken ring gear teeth. Clean and inspect the mating surfaces of the driveplate and the crankshaft. If the crankshaft rear seal is leaking, replace it before reinstalling the driveplate. Position the driveplate against the crankshaft. Be sure to align the marks made during removal. Note that some engines have an alignment dowel or staggered bolt holes to ensure correct installation. Before installing the new bolts, apply thread-locking compound to the threads. Wedge a screwdriver in the ring gear teeth to keep it from turning, and tighten the bolts to the torque. Follow a criss-cross pattern and work up to the final torque in three or four steps. The remainder of installation is the reverse of removal.

Before removing the driveplate, connect the cable to the negative terminal of the battery and take off the bolt at the negative terminal. Then, unlock transaxle and pull out with transmission case; if there is leakage concern front pump seal or the o-ring ought to be replaced. Also it is advisable to mark the flywheel/driveplate and crankshaft if properly aligned for reassembly as most of the models have eight bolts on the flywheel, it is recommended to use center punch or paint the alignment marks on the driveplate and the crankshaft. The bolts that connect the driveplate and the crankshaft should then be undone and if the crankshaft begins to turn when the driveplate is removed, one can squeeze the latter with the help of a screwdriver that is inserted into the ring gear teeth. Step by slow step, the driveplate should be removed and it should be noted if spacers were used and where they were placed. On installation, check and ascertain whether there are any cracks on the driveplate and for any damaged and broken ring-gear teeth on the flywheel. Scrub the contacting areas of the driveplate and crankshaft, and change the crankshaft rear seal if it seems to be dripping. Mate for the dowels that wee made earlier the position of the dowels in the driveplate must match the position of the crankshaft and then ensure the driveplate is properly placed by either the use of alignment dowels or staggered bolt holes. Coat the thread section of the bolt with thread locking compound in a cross wise manner, gradually building up the torque in stages, usually in three or four turns. The next steps of installation are opposite to the removal steps and include the following.

The flywheel or driveplate should be positioned against the crankshaft, aligning the marks made during removal.

One spacer is located between the crankshaft flange and the driveplate, and the other is between the rear face of the driveplate and the driveplate mounting bolts.

Support the driveplate while removing the last bolt. Note that automatic transmission equipped vehicles have spacers on both sides of the driveplate, which should be kept with the driveplate.

Take note of the spacers used and on which side of the driveplate they were installed. On vehicles with an automatic transaxle, there is a spacer plate on each side of the driveplate; when installing, line up the spacers with the locating pin.

When removing the driveplate, mark the spacers and reinstall them in the same positions and facing the same way as originally installed.

Position the driveplate against the crankshaft and align the marks made during removal. Some engines may have an alignment dowel or staggered bolt holes to ensure correct installation.