It would be difficult to list the details involved in changing the timing belt. Your best bet would be to purchase a manual (about $11 - $14 at auto parts store) or see if there may be one available at your local public library for checkout. I use Haynes Repair Manual #36071, 1993-2005 Ford Ranger Pick-ups (also includes 1994-2005 Mazda B Series pickups).
The 2008 Ford Ranger , 2.3 liter Dual Over Head Cam , four cylinder engine has a timing CHAIN
Only the 2.5 Liter 4 cylinder has a timing belt. Replace it at 120,000 miles. The V6 has a timing chain.
The 2.3 liter DOHC , 4 cylinder engine in a 2006 Ford Ranger has a timing CHAIN
In a 1993 Ford Ranger : The 2.3 liter four cylinder engine has a timing BELT and The 3.0 and 4.0 liter V6 engines have a timing CHAIN
On a 2001 Ford Ranger : If you have one of the earlier models with the 2.5 liter SOHC , four cylinder engine , it has a timing BELT The 2.3 liter DOHC four cylinder engine has a timing CHAIN The 3.0 liter " Vulcan " V6 engine has a timing CHAIN The 4.0 liter SOHC engine has ( 3 ) timing CHAINS
In a 2000 Ford Ranger : 2.5 liter four cylinder engine has a timing BELT 3.0 and 4.0 liter V6 engines have a timing CHAIN
A 2011 Ford Ranger , 2.3 liter Dual Over Head Cam , four cylinder engine has a timing CHAIN
The 2.3 liter 4 cylinder has a timing belt and the 3.0 liter and 4.0 liter V6 engines use a timing chain
Only if you have the 2.5 liter four cylinder engine in a 2001 Ford Ranger . ( that engine has a timing BELT )
The 2.5 liter , 4 cylinder , has a timing BELT
On a 1998 Ford Ranger : The 2.5 liter four cylinder engine has a timing BELT The 3.0 and 4.0 liter V6 engines have a timing CHAIN
On a 2004 Ford Ranger : The 2.3 liter Dual Over Head Cam four cylinder engine has a ( timing CHAIN )