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 | Inspect the crankshaft end play. Is there excessive crankshaft end play? | 0.05-0.28 mm (0.002-0.011 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 belt tension. Is there excessive belt tension? | -- | Go to Crankshaft Replacement | Go to Step 6 |
6 | Inspect the crankshaft pulley. Is the crankshaft pulley loose? | -- | Go to Crankshaft Replacement | System OK |
