Perhaps this site may be of help. Although the syle of the BODY changed between the first and second generation CR-V's I think that the basic layout for the systems remained the same. Good luck. See below link:
Cabin filter originally N/A. Cabin filter can be retrofitted from newer Civics(w/a AC) or CR-V(w AC)
The fuel filter on a Honda CR-V is not a serviceable item. There should not be a reason for failure, unlike most vehicles.
Behind the glove compartment on back of the cabin air filter
The 2003 Honda CR-V has 16 valves.
Follow the instruction on this website: http://www.hondasuv.com/members/showthread.php?t=33406
See this website: http://www.hondasuv.com/members/showthread.php?t=33406
You must first remove the glove box. Then you have to remove a bracket to get to the filter. I hear that its relatively easy to do, but a pain to get the bracket out.
The 2003 Honda CR-V is a gas-powered vehicle.
The 2003 Honda CR-V has an inline 4 engine.
The 2003 Honda CR-V has a 4-speed automatic.
The 2003 Honda CR-V's turning circle is 33.8 ft.
The 2003 Honda CR-V has a 29 degrees angle of approach.