For 1990-2009 cars only
Step | Action | Values | Yes | No |
|---|---|---|---|---|
1 | Are dull thuds or knocks heard with every engine revolution? | -- | Go to Step 2 | System OK |
2 | Measure the oil pump pressure. Is the oil pump pressure low? | -- | Go to Step 3 | |
3 | Measure the crankshaft end play. Does the crankshaft end play exceed the specified values? | 0.055-0.265 mm (0.0002-0.010 in) | Go to Crankshaft Replacement | Go to Step 4 |
4 | Inspect the crankshaft journals. Are the crankshaft journals out-of-round? | -- | Go to Crankshaft Replacement | Go to Step 5 |
5 | Inspect the timing chain tension. Is there excessive chain tension? | -- | Go to Step 6 | |
6 | Inspect the crankshaft pulley. Is the crankshaft pulley loose? | -- | Go to Crankshaft Replacement | System OK |
