For 1990-2009 cars only
Light knock hot may be caused by one or more of the following conditions:
| • | Loose torque converter bolts |
| • | Exhaust leak at the manifold (tighten the bolts, replace the gasket if necessary) |
| • | Excessive rod bearing clearance, (replace the bearings as necessary) |
| • | Detonation or spark knock, refer to Engine Controls. |
