hi i have a question. i have a toyota camry 2002. the owner's manual said that the car doesnt have timing belt but instead it has a timing chain which doesnt need to be replace. i even bought the hayne's repair manual and they only mentioned timing belt for the v6 engine. my engine is the v4. is this true? i opened the hood and couldnt see any timing belt. i only saw the serpentine belt. can somebody explain? do i need to replace timing chain? book say i dont have to. thanks