I wouldn't have any idea where to start. My recommendation would be to do what I did when my Outback just quit running in my driveway. Call the local garage for a tow truck. This forum doesn't lend itself to the lengthy conversation necessary to narrow in on your problem.
Subaru Forester was created in 1997.
Subaru Forester has a timing belt.
The 2001 Subaru Forester has 16 valves.
The 2006 Subaru Forester has 16 valves.
The 2009 Subaru Forester has 16 valves.
The 2008 Subaru Forester has 16 valves.
The 2004 Subaru Forester has 16 valves.
The 2002 Subaru Forester has 16 valves.
The 2014 Subaru Forester has 16 valves.
The 2011 Subaru Forester has 16 valves.
The 2013 Subaru Forester has 16 valves.
The 2010 Subaru Forester has 16 valves.