Cause
| Correction
|
Seized accessory drive system component
|
- Remove accessory drive belts.
- Rotate crankshaft by hand at the balancer or flywheel location.
|
Hydraulically
locked cylinder
• | Coolant/antifreeze in cylinder |
|
- Remove spark plugs and check for fluid.
- Inspect for broken head gasket.
- Inspect for cracked engine block or cylinder head.
- Inspect for a sticking fuel injector.
- Inspect for cracked cylinder wall.
|
Seized
automatic transmission torque converter
|
- Remove the torque converter bolts.
- Rotate crankshaft by hand at the balancer or flywheel location.
|
Seized
manual transmission
|
- Disengage the clutch.
- Rotate crankshaft by hand at the balancer or flywheel location.
Refer to Unit Repair Manual - Manual Transmission.
|
Broken
timing chain and/or gears
|
• | Inspect timing chain and gears. |
|
Seized
balance shaft
|
• | Inspect balance shaft. |
|
Material
in cylinder
• | Cracked cylinder wall |
|
• | Inspect cylinder for damaged components and/or foreign materials. |
• | Inspect for fallen cylinder wall. |
• | Repair or replace as required. |
|
Seized
crankshaft or connecting rod bearings
|
• | Inspect crankshaft and connecting rod bearings. |
• | Inspect for fallen cylinder wall. |
|
Bent
or broken connecting rod
|
• | Inspect connecting rods. |
|
Broken
crankshaft
|
|