Remove
Flywheel – see operation "Flywheel Remove and Install".
Inspect
Ring gear teeth for excessive wear and broken teeth; replace ring gear if necessary - see corresponding operation.
Friction surface for excessive wear and heat cracks.
Measure
Friction surface depth A.
| Engine | Standard (mm) | Limit (mm) |
|---|---|---|
| 4JA1T/4JA1TC | 20 | 21 |
| 4JG2T | 18 | 19 |
Flywheel can be reground if depth does not exceed specified limit otherwise replace flywheel.
Surface roughness - less than 0.006 mm.
Install
Flywheel to crankshaft - see operation "Flywheel Remove and Install".