Cylinder Leakage Test
Special Tools
J 35667-A Cylinder Head Leakdown Tester or equivalent
Note
A leakage test may be performed in order to measure cylinder/combustion chamber leakage. High leakage may indicate one or more of the following conditions:
| • | Worn or burnt valves |
| • | Broken valve springs |
| • | Stuck valve lifters |
| • | Incorrect valve lash/adjustment |
| • | Damaged piston |
| • | Worn piston rings |
| • | Worn or scored cylinder bore |
| • | Damaged cylinder head gasket |
| • | Cracked or damaged cylinder head |
| • | Cracked or damaged engine block |