Subaru 2002 IMPREZA Service Manual page 748

FUEL INJECTION (FUEL SYSTEMS)
B: INSTALLATION
1) Install the intake manifold onto cylinder heads.
NOTE:
Always use new gaskets.
Tightening torque:
25 N·m (2.5 kgf-m, 18.4 ft-lb)
2) Connect the fuel hoses.
(A) Fuel delivery hose
(B) Return hose
(C) Evaporation hose
3) Connect the connector to camshaft position sen-
sor.
INTAKE MANIFOLD
4) Connect the connector to oil pressure switch.
5) Connect the connector to crankshaft position
sensor.
B2M4128
6) Connect the knock sensor connector.
S2M0500F
7) Connect the connectors to engine coolant tem-
perature sensor.
B2M4263
FU(w/oOBD)-20
B2M1253
B2M1252
B2M4262
B2M4261