There are no TSBs for any intake manifold rattle in those model years. The only engine noise TSBs are the following and they are all the same - rattle of the accessory belt tensioner.
http://www-odi.nhtsa.dot.gov/tsbs/tsbsearch.cfm
Make : TOYOTA Model : CAMRY Year : 2004
Manufacturer : TOYOTA MOTOR NORTH AMERICA, INC.
Service Bulletin Number : 04004 Date of Bulletin : SEP 08, 2004
NHTSA Item Number : 10010160
Component : ENGINE AND ENGINE COOLING:ENGINE
Summary :
ACCESSORY DRIVE BELT SQUEAL/ BELT TENSIONER RATTLE. *NM
Make : TOYOTA Model : CAMRY Year : 2003
Manufacturer : TOYOTA MOTOR NORTH AMERICA, INC.
Service Bulletin Number : 04004 Date of Bulletin : SEP 08, 2004
NHTSA Item Number : 10010160
Component : ENGINE AND ENGINE COOLING:ENGINE
Summary :
ACCESSORY DRIVE BELT SQUEAL/ BELT TENSIONER RATTLE. *NM
Make : TOYOTA Model : CAMRY Year : 2002
Manufacturer : TOYOTA MOTOR NORTH AMERICA, INC.
Service Bulletin Number : 04004 Date of Bulletin : SEP 08, 2004
NHTSA Item Number : 10010160
Component : ENGINE AND ENGINE COOLING:ENGINE
Summary :
ACCESSORY DRIVE BELT SQUEAL/ BELT TENSIONER RATTLE. *NM
(Corrected - see posts 4 and 5 below)