LOSS OF ENGINE PERFORMANCE - INTAKE DUCTS LOOSE - INSTALL REVISED PARTS. THIS BULLETIN REPLACED BULLETIN 303-57, DATED 01/03. JAGUAR 2000-03 MY XKR. 1998-03 MY V8 XJR. *TT THIS BULLETIN REPLACED BULLETIN 303-57, DATED 10/02. *TT THIS IS ORIGINAL BULLETIN 303-57. *TT