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Can you use and oil additive to stop bearing knock in a Subaru Forester Sti Sf5 engine?
How do you know that you have a bearing knock? If the engine is under warranty you should promptly take it back to the dealer.
If it is truly a bearing knocking you are living on borrowed time. Mine makes noise on cold mornings only and I understand the noise is from "piston slap" due to parts shrinking in extremely cold weather. It is not particularly harmful, just annoying.
That said, most commercial engine additives that you find on the shelf at Wal Mart or your auto parts store will do no harm when used as directed. Pick one and give it a try.
What else can I help you with?
What size engine does the 2006 Subaru Forester have?
The 2006 Subaru Forester has a flat 4 engine.
What size engine does the 2001 Subaru Forester have?
The 2001 Subaru Forester has a flat 4 engine.
What size engine does the 2005 Subaru Forester have?
The 2005 Subaru Forester has a flat 4 engine.
What size engine does the 2002 Subaru Forester have?
The 2002 Subaru Forester has a flat 4 engine.
What size engine does the 2008 Subaru Forester have?
The 2008 Subaru Forester has a flat 4 engine.
What size engine does the 2003 Subaru Forester have?
The 2003 Subaru Forester has a flat 4 engine.
What size engine does the 2014 Subaru Forester have?
The 2014 Subaru Forester has a flat 4 engine.
What size engine does the 2010 Subaru Forester have?
The 2010 Subaru Forester has a flat 4 engine.
What size engine does the 2011 Subaru Forester have?
The 2011 Subaru Forester has a flat 4 engine.
What size engine does the 2009 Subaru Forester have?
The 2009 Subaru Forester has a flat 4 engine.
What size engine does the 2004 Subaru Forester have?
The 2004 Subaru Forester has a flat 4 engine.
What size engine does the 2012 Subaru Forester have?
The 2012 Subaru Forester has a flat 4 engine.
