2005 optra has intermittent top end rattling noise, seems more often when its cold but it goes away after a min or so, any ideas?

Asked by Apr 12, 2012 at 10:20 PM about the 2005 Chevrolet Optra

Question type: Maintenance & Repair

2005 with 100000 km

1 Answer

13,855

Sounds like your lifters are bleeding out when the engine is shut down. It goes away because they pump themselves back up when engine runs. They can rattle while running as well. I would get some engine oil treatment and run that in your oil. A good brand is Seafoam run that in your oil and that should clean out your lifters.

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