R134a, as do all vehicles for that MY
1.35 lbs
To find that out you need to take it to a Toyota Dealer for a service.
Yes , it has a timing CHAIN
You need to take it to a shop or dealership.
5-5.8 qts
Freon is a brand name of refrigerant. Your Toyota takes R134a refrigerant.
take it to a shop it needs to be reclamed
4 quarts
Take it to shop
it takes almost 40oz .
Take it to an expert. You are not qualified nor do you have the equipment to do this.
You take it to AAMCO