2015 engine rattle and engine "knock" - Page 2
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This is a discussion on 2015 engine rattle and engine "knock" within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; 90% of the time that someone says it's "rod knock," it's not any form of bearing failure. Keep after Subaru ...

  1. #16
    zax
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    90% of the time that someone says it's "rod knock," it's not any form of bearing failure. Keep after Subaru to get this thing diagnosed. Keep us informed.
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  3. #17
    Registered User wrxedd's Avatar
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    Yes its completly normal now, the pinging sound was resolved by tightening the heatshield. The other sound is normal which i didint know, my car drives fine now.

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    Registered User wrxedd's Avatar
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    Quote Originally Posted by wrxclmbr View Post
    I'm no mechanic but I have read that depending on the type of fuel you use you could experience engine knock. The pistons are designed to use premium fuel and anything less might cause the knocking sound. If you are indeed using premium fuel then have you tried a different gas station?
    i never used anything other than 93 in my car sofar

  5. #19
    zax
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    Quote Originally Posted by wrxclmbr View Post
    I'm no mechanic but I have read that depending on the type of fuel you use you could experience engine knock. The pistons are designed to use premium fuel and anything less might cause the knocking sound. If you are indeed using premium fuel then have you tried a different gas station?
    This is not detonation.
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