Question about 2002 Toyota Camry

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Significant engine damage from oil change

Recently our car broke down out of state and was towed to a Toyota dealership. The Service Manager wrote that "at the last oil change, the shield inside valve cover was bent down to cam. Wore shield off. Broke off. Fell down to crank, de-railed timing chain causing engine to jump time." The car was repaired and we were told there may have been further internal engine damage and to take it to our local Toyota dealer. They told us that the engine will need to come apart for further diagnosis - that there is internal engine damage. Both dealers have heard of this problem before. Have you heard of this problem and who would be responsible for the engine repair? Any suggestions or comments would be appreciated.
Thanks,
Linda

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  • Toyota Master
  • 1,861 Answers

Thank you for asking my assistance. I will try my best to help you.

I have been in the Toyota biz for the last 14 years, and, unfortunatly, have not ever heard of this issue. That being said, I do have connections in the engineering dept at Toyota, and on Monday, I will call out to the west coast and inquire further for you.
Now, to the issue at hand: The shield that was bent down is secured very well to the underside of the valve cover. To bend that device, I can only guess that when the oil was being put into the engine via an oil pump, the nozzle of the pump was *** jammed *** down onto the shield, and broke it loose from the internal retainers under the valve cover, and contacted the cam; this is very possible...I agree with the statement that your SM provided, however, further engine damage? Removal of the oil pan would be in order, to determine if any more pieces are there. Doubt it, though.
And, to answer your last question, the responsibility of the cause for failure is your oil change guy.
He bent/broke the shield, and caused your problem. I hope this has helped, if you have any other comments or questions, please feel free to repost.

Posted on Oct 04, 2008

  • Toyota Ed Oct 04, 2008

    I did get thru to my friend in California.He states that this is a known issue, and Toyota has released a Technical Service Bulletin (EG007-02) regarding this issue. The gist of the bulletin mentions that the baffle in question can be bent during the oil fill proceedure, and damage can occur if the baffle is damaged.

    New one to me. But, this solidifys my thinking about how it happened; it was the oil change guy jammed the nozzle too hard into the oil fill hole.

  • ddeemer681 Dec 29, 2010

    I had this problem when an oil change was performed at Monroe. Now i'm in the middle of Monroe

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