MAY 2003 11. Remove the intake manifold upper cover from the intake manifold by loosening the ten 6 x 22 mm flange bolts in two or three steps following the reverse order of the sequence shown below (example 10, 9, 8, 7, 6...1). 12. Disconnect the 3.5 x 600 mm fuel tube from the IAB control diaphragm at the bottom of the intake manifold cover. 13. Inspect the upper cover gasket. Replace if necessary. INTAKE MANIFOLD INTAKE MANIFOLD UPPER COVER Installation sequence shown. Removal is in reverse order. 6 x 22 mm FLANGE BOLT (10) UPPER COVER GASKET IAB CONTROL DIAPHRAGM 3.5 x 600 mm FUEL TUBE Page 9 of 2 0 Inspect.