Fuel Injector LH

Replace injector seal, retainer, and O-ring with a new part. <Ref. to REPLACEMENT , Fuel Injector.>
Set the holder to the fuel injector, and install it to the fuel injector pipe LH.
CAUTION: Always use a new holder.

Fig 1: Setting Holder To Fuel Injector
Courtesy of SUBARU OF AMERICA, INC.
Install the fuel injector pipe LH and fuel injector as a single unit to the cylinder head.

Fig 2: Installing Fuel Injector Pipe LH And Fuel Injector As Single Unit To Cylinder Head
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolt on fuel injector pipe LH, and connect the connector (A) to the fuel injector.
Tightening torque:

19 N.m (1.9 kgf-m, 14.0 ft-lb)

Fig 3: Locating Fuel Injector Pipe LH Bolts And Fuel Injector Connector
Courtesy of SUBARU OF AMERICA, INC.
Install the high-pressure fuel delivery pipe assembly. <Ref. to HIGH-PRESSURE FUEL DELIVERY PIPE ASSEMBLY , INSTALLATION, High Pressure Fuel Delivery Pipe.>
Install the high-pressure fuel delivery pipe. <Ref. to HIGH-PRESSURE FUEL DELIVERY PIPE , INSTALLATION, High Pressure Fuel Delivery Pipe.>
Connect the ground terminal to battery sensor. <Ref. to BATTERY , NOTE, Note.>