If you discover an external oil leak at the radiused section of the cylinder head cover on a Honda engine, it may be the result of excess paint overspray in the sealing groove. According to Honda, this includes all 2006-2009 Accords, some 2010 Accords, 2006-2009 Civic Si, some 2010 Civic Si, some 2010 CR-V, some 2010 Element and all 2006-2009 Element models.

The fix is simple enough. Remove the cylinder head cover and sand away the paint overspray inside the sealing groove. Re-seal with liquid gasket P/N 08717-0004. Honda suggests using a 1 ½-inch strip of 120-grit sandpaper, wrapped around a putty spreader tool to remove the paint from the cover’s sealing groove.

Example of a potential leak area.

Example of a potential leak area.

Use a 1 ½-inch strip of 120-grit paper, wrapped around a spreader tool.

Use a 1 ½-inch strip of 120-grit paper, wrapped around a spreader tool.

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