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Detonation or spark knock
Loose torque converter bolts
Cracked flywheel - automatic
transmission
Excessive connecting rod
bearing clearance
Excessive crankshaft bearing
clearance
ENGINE WILL NOT CRANK - CRANKSHAFT WILL NOT ROTATE
Engine Will Not Crank - Crankshaft Will Not Rotate
Cause
Seized accessory drive system
component
Seized driveline/propshaft assembly
- Corvette automatic transmission
application
Seized automatic transmission
torque converter
Seized manual transmission
Broken timing chain
Verify the correct operation of the ignition controls. Refer to
Detonation/Spark Knock in Engine Controls - 5.7L.
Inspect the torque converter bolts and flywheel.
Repair as required.
Inspect the flywheel bolts and flywheel.
Repair as required.
Inspect the following components, and repair as required:
The connecting rod bearings
The connecting rods
The crankshaft
Inspect the following components, and repair as required:
The crankshaft bearings
The crankshaft journals
The cylinder block crankshaft bearing bore
1. Remove the accessory drive belts.
2. Confirm that the engine will rotate. Rotate the crankshaft by
hand at the crankshaft balancer or flywheel location.
3. Repair or replace the components as required.
1. Separate the engine flywheel from the input shaft of the
propshaft.
2. Confirm that the engine will rotate. Rotate the crankshaft by
hand at the crankshaft balancer or flywheel location.
3. Repair or replace the components as required.
1. Remove the torque converter-to-flywheel bolts.
2. Confirm that the engine will rotate. Rotate the crankshaft by
hand at the crankshaft balancer or flywheel location.
3. Repair or replace the components as required.
1. Disengage the clutch by depressing the clutch pedal.
2. Confirm that the engine will rotate. Rotate the crankshaft by
hand at the crankshaft balancer or flywheel location.
Refer to Transmission/Transaxle Unit Repair Manual.
Correction
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