For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Listen for the following noises:

• | A sharp double knock when the engine is idling

• | A light ticking with no load on the engine

• | A slapping noise when the engine is cold?

Are any of these noises heard?

Go to Step 2

System OK

2 | Inspect the piston pin and the bushing. Is the piston pin or the bushing worn or loose? | Go to Crankshaft Replacement | Go to Step 3
3 | Inspect the piston. Is the piston broken or cracked? | Go to Crankshaft Replacement | Go to Step 4
4 | Inspect the connecting rods. Is there a misaligned connecting rod? | Go to Crankshaft Replacement | Go to Step 5
5 | Inspect the piston position. Is the piston 180 degrees out of position? | Go to Crankshaft Replacement | System OK