GM 22500807 Engine Crankshaft FLYWHEEL

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To remove the manual transmission, one should matchmark the clutch cover and flywheel for reinstallation. Removing the flywheel involves unscrewing the bolts which are spaced unevenly. To replace a ring gear, bore a hole between two teeth and then split it using a cold chisel. To install a new gear, first polish areas on the ring, heat it until the polished spots turn blue, and place it on the flywheel shoulder. Subsequently, allow ring to cool and collapse back into place. The flywheel must be free of burrs as well as crankshaft flange before installation of flywheel commences. For automatic transmission removal, first detach the transmission and then remove six bolts that attach flywheel to crankshaft flange. In this regard, while inspecting a flywheel for cracks, wear or broken teeth also check for burrs on crankshaft flange and flywheel). Install the flywheel in its correct position with irregularly spaced bolt holes; thereafter torque bolts to specification. Check runout on the face of the flywheel using dial indicator; high side should be tapped with a mallet if necessary. If runout is beyond limit, remove the wheel again checking for burrs between it and crankshaft mounting flange.