The 2000 Toyota Camry takes 21" drivers side and 19" passenger side replacement windshield wiper blades. Be sure to lookup the exact part numbers for the brand wipers you decide to purchase to ensure not only the correct lengths but also the correct attachements. See related link below.
24 drivers side
The 2005 Toyota Avalon takes 26" drivers side and 20" passenger side replacement windshield wiper blades.
Here they are:Driver = 22"Passenger = 22"
check the owners manual. all of that type info is there.
Fronts are 6.5in. round rears are 6x9.
See sources and related links below to lookup windshield wiper blade sizes.
The 1996 Toyota Camry head bolt size is 5/8 by four inches. There will be eight head bolts in each head.
The 2000 Toyota Avalon requires wiper blades in two different sizes. The driver's side needs 24 inch blades, while the passenger side needs 17 inch blades.
Toyota Camry does not have adjustable valves. If valve clearance is not proper you need to replace the valve shims with appropriate sizes (usually different for each valve).
Take a tape measure and measure the length of each blade.
The Camry has 2 possible engine sizes 4cyl or v6
Front 6 1/2" Rear 6"x9"