When removing flywheel bolts, the manufacturer advises the replacement with new ones. In the case of manual transaxle models it is recommended to start by disassembling the transaxle and clutch, and can also be an opportunity to inspect or replace the parts of the clutch. In the case of automatic transaxle models, take out the automatic transaxle. Make marks on the flywheel/ driveplate and the crankshaft with a center punch or paint to make alignment marks on the flywheel/ driveplate so that the parts will fit correctly back into their positions. Unscrew the bolts fixing the flywheel/driveplate to the crankshaft using a screwdriver to ensure the crankshaft does not turn. The flywheel/driveplate should be carefully removed, with the final bolt being removed last and spacers of automatic transaxle vehicles and should be stored with the driveplate. In case of the dual-mass flywheel engines, mark alignment points, turn the flywheel to bring the bolts to the holes, and hold the flywheel in place with a locking device when removing the bolts. Keep the bolts aside and never use air tools or impact drivers to not ruin the flywheel. The flywheel features a dual mass which has a needle bearing insert that can be taken out and installed using relevant tools. Wipe the flywheel with brake system cleaner, examine it on whether there is any damage, and examine it with a straight edge to see whether it warps. Wipe down and clean the mating surfaces, and install a replacement crankshaft rear seal in case it is leaking. Place the flywheel/driveplate and spacer on the crankshaft and align the marks created in removal and apply thread locking compound to the threads on the bolts then tightly clamp in a cross shape to the desired torque. In cars that have an automatic transaxle, determining the height of the installed driveplate should be done at three equal marks where it may be shimmed as required. Installation can be done by following the reversal of the removal procedures.