| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| 1 | Is there a light knock when the engine is hot? | Go to Step 2 | System OK | |
| 2 | Is detonation or spark knock evident? | Go to Step 3 | Go to Step 4 | |
| 3 | Inspect the engine timing and the fuel quality. Was the problem found? | Go to Step 1 | ||
| 4 | Inspect the torque converter bolts. Are the bolts tightened to the specified value? | 45 N.m (33 lb ft) | Go to Step 5 | Go to Step 6 |
| 5 | Tighten the torque converter bolts. Is the repair complete? | Go to Step 1 | ||
| 6 | Inspect the manifold. Is there an exhaust leak at the manifold? | Go to Step 7 | Go to Step 8 | |
| 7 | Tighten the bolts or replace the gasket. Is the repair complete? | Go to Step 1 | ||
| 8 | Inspect the rod bearing clearance. Is the clearance within the specified value? | 0.019-0.07 mm (0.0007-0.0028 in) | Go to Step 9 | System OK |
| 9 | Replace the rod bearings, as necessary. Is the repair complete? | Go to Step 1 |
Light Knock Hot