Short Block Assemblies
NOTE:
A Short Block Assembly is a cylinder block and all those components contained within the limits of the block deck or decks, the pan rail, the block rear face and the timing cover ( where fitted), including the crankshaft.
| Condition | Code | Procedure |
|---|---|---|
| Combustion efficiency is reduced due to carbon deposits in the combustion chamber | 2 | Suggest repair |
| Internal component failure (any component) | A | Require repair or replacement of the short block assembly |
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NOTE:
It is Required that all other failure-related components be inspected for cause and condition. Additional components or assemblies may be Suggested for repair or replacement, such as a water pump on a short block (reason code 4, technician's recommendation based on substantial and informed experience ). For example: If there is a failed head gasket with an external coolant leak, in addition to Requiring replacement of the head gasket, inspection of the following for cause and condition is Required: Block, Cooling System, Cylinder Head. It may be Suggested that additional inspections be performed, such as the other head gasket on a V -type engine.
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