Heavy Knock Hot With Torque Applied

- Broken balancer, pulley hub. Replace parts as necessary.

- Loose torque converter bolts.

- Accessory belt too tight nicked. Replace and/or tension to specs as necessary.

- Exhaust system grounded. Reposition as necessary.

- Flywheel cracked.

- Excessive main bearing clearance. Replace as necessary.

- Excessive rod bearing clearance. Replace as necessary.