For the bulb - Open the Hood, locate the connection wire and turn and remove the socket from the back, pull the bulb and replace with new and insert into socket hole in back of light. Very easy thing to do!
Here's a great video that shows you how to replace the headlight on a 2002 Toyota Camry: carcarekiosk.com/video/2002_Toyota_Camry_LE_2.4L_4_Cyl./lights/headlight
You will have to take the bolts off the old headlights and simply replace the old headlight and screw the bolts back in.
Yes, you should be able to do that.
I usually replace fuel filter every after 35,000km and have had no problem since 2002.
2002 and up four cylinders have a timing chain no belt.
Yes. Andy's Auto Sport do make halo headlights for a 99 Toyota Camry.
you dont you dont
No, it's easy.
Many Camry models have so called daylight headlights.
They screw in from the rear. TAke the light assy off.
Take the old one out and install a new one.
I don't think you can replace just cover. Usually you have to get a new tail light.