You have a timing chain not a timing belt.
timing belt change 2008 civic
belt
You don't. Its no longer a timing "belt" its a timing chain, which never will need to be changed.
The 2007 Honda Civic has a timing chain that should last the life of the engine.
It must be a timing CHAIN . The Gates website does not list a timing belt for the 1.8 liter and the 2.0 liter in a 2007 Honda Civic
you have a chain not a belt
Yes, it is required.
never
No, not if the belt was installed correctly.
you don't, the fan is electric
170000 km