valve cover bolt grommet replacement

[joaks]

I have a small oil leak around the bolts that hold my valve covers on. There is a small grommet that should prevent oil from getting around the bolts so I am guessing that needs to be replaced. Any concern for me replacing these one at a time? I will need to replace two out of three. My concern would be having the cover not be torqued down correctly due to a couple of bolts being removed/replaced.

 

[Trav]

On the Subaru i would go ahead and do the VC gaskets as well.
Not difficult and is a known leak area. The answer to your question is maybe.

 

[LeakySeals]

Try backing off, then tightening them, sometimes that's all you need. It doesn't have to be the exact torque, close enough will do. A little pressure, not a lot. You will feel it. If you open it up you should replace the whole gasket.