Cam Sprocket LH

• Intake cam sprocket LH 

1. Install the intake cam sprocket LH by aligning the knock hole (A) of intake cam sprocket LH and the knock pin (B) of intake camshaft LH.
   NOTE: Before installation, check that there is no foreign matter on the intake cam sprocket LH and intake camshaft LH.

   Courtesy of SUBARU OF AMERICA, INC.

2. Hold the intake cam sprocket LH using the ST1 and ST2, and install the bolts using the ST3.
   CAUTION: Perform the operation carefully since the ST comes off easily.
   NOTE: Apply engine oil to the bolt thread.

   ST1 18355AA000 PULLEY WRENCH 

   ST2 18334AA020 PULLEY WRENCH PIN SET 

   ST3 18270KA010 SOCKET 

   Tightening torque: 

   18 N.m (1.8 kgf-m, 13.3 ft-lb)

   Courtesy of SUBARU OF AMERICA, INC.

3. Install timing chain LH. Refer to MECHANICAL (EXCEPT FOR STI)>TIMING CHAIN ASSEMBLY>INSTALLATION>TIMING CHAIN LH .

• Exhaust cam sprocket LH 

1. Install the exhaust cam sprocket LH by aligning the knock hole (A) of exhaust cam sprocket LH and the knock pin (B) of exhaust camshaft LH.
   NOTE: Before installation, check that there is no foreign matter on the exhaust cam sprocket LH and exhaust camshaft LH.

   Courtesy of SUBARU OF AMERICA, INC.

2. Hold the exhaust cam sprocket LH using the ST1 and ST2, and install the bolts using the ST3.
   CAUTION: Perform the operation carefully since the ST comes off easily.
   NOTE: Apply engine oil to the bolt thread.

   ST1 18355AA000 PULLEY WRENCH 

   ST2 18334AA020 PULLEY WRENCH PIN SET 

   ST3 18270KA010 SOCKET 

   Tightening torque: 

   18 N.m (1.8 kgf-m, 13.3 ft-lb)

   Courtesy of SUBARU OF AMERICA, INC.

3. Install timing chain LH. Refer to MECHANICAL (EXCEPT FOR STI)>TIMING CHAIN ASSEMBLY>INSTALLATION>TIMING CHAIN LH .