2000 Pontiac Sunfire knocking sound

2000 PONTIAC SUNFIRE
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BAKERANDEMERICA
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  • 1 POST
Engine Mechanical problem
2000 Pontiac Sunfire Front Wheel Drive Automatic

why would the engine be making a loud knocking sound in the top of the motor?
Apr 9, 2010 at 11:54 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
If it is a knocking in the top of the engine, chances are it is either a cam bearing or wrist pin. Does it change with RPM's?
Apr 28, 2010 at 5:19 AM
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