Cylinder Block: Installation

WARNING: This page is about a different variant/trim than selected.

Apply engine oil to the crankshaft bearing, and install the crankshaft bearing to the cylinder block.
CAUTION:
- Place a wood board wrapped with a waste cloth to prevent the knock pin damage and to stabilize the cylinder block before work.
- Be careful not to scratch the mating surface of cylinder block during work.
Fig 1: Locating Crankshaft Bearing To Cylinder Block
Courtesy of SUBARU OF AMERICA, INC.
Install O-rings to the cylinder block LH.
NOTE: Use new O-rings.

Fig 2: Locating Cylinder Block LH O-Ring
Courtesy of SUBARU OF AMERICA, INC.
Apply engine oil to the crankshaft journal, and set the crankshaft to the cylinder block LH.

Fig 3: Applying Engine Oil On Crankshaft Journal
Courtesy of SUBARU OF AMERICA, INC.
Apply liquid gasket to the mating surface of cylinder block RH as shown in the figure.
CAUTION: Do not let the liquid gasket overflow to the oil passage, journal groove, because the engine seizure may result.
NOTE:
- Before applying liquid gasket, degrease the old liquid gasket seal surface of the cylinder block RH and cylinder block LH.
- Install within 5 min. after applying liquid gasket.
Liquid gasket:

THREE BOND 1217G (Part No. K0877Y0100) or equivalent

Liquid gasket applying diameter:

Mating surfaces other than ranges A and B

1±0.5 mm (0.0394±0.0197 in)

Mating surfaces of ranges A and B

4±0.5 mm (0.1575±0.0197 in)

Fig 4: Identifying Liquid Gasket Applying Area On Mating Surface Of Cylinder Block RH
Courtesy of SUBARU OF AMERICA, INC.
Install the cylinder block RH to the cylinder block LH.
Join the cylinder blocks.
1. Apply a coat of engine oil to the washers and cylinder block mounting bolt threads.
  NOTE: To prevent mixture of engine oil into the water jacket, do not apply a large amount.
2. Install the cylinder head bolt at the locations shown in the figure.
  NOTE: This procedure is required to tighten the cylinder block mounting bolts with specified angle using ST.
  
  Fig 5: Cylinder Head Bolt Locations
  Courtesy of SUBARU OF AMERICA, INC.
3. Tighten all mounting bolts with a torque of 35 N.m (3.6 kgf-m, 25.8 ft-lb) in numerical order as shown in the figure.
  CAUTION: When tightening the mounting bolts with specified torque, hold the cylinder block LH while not holding the cylinder block RH to ensure the joint accuracy of the cylinder block.
  
  Fig 6: Identifying Cylinder Block Mounting Bolts Tightening Sequence
  Courtesy of SUBARU OF AMERICA, INC.
4. Loosen all mounting bolts by 180° in numerical order as shown in the figure.
  CAUTION: When loosening the mounting bolts, hold the cylinder block LH while not holding the cylinder block RH to ensure the joint accuracy of the cylinder block.
  
  Fig 7: Identifying Cylinder Block Mounting Bolts Loosening Sequence
  Courtesy of SUBARU OF AMERICA, INC.
5. Tighten all mounting bolts with a torque of 35 N.m (3.6 kgf-m, 25.8 ft-lb) in numerical order as shown in the figure.
  CAUTION: When tightening the mounting bolts with specified torque, hold the cylinder block LH while not holding the cylinder block RH to ensure the joint accuracy of the cylinder block.
  
  Fig 8: Identifying Cylinder Block Mounting Bolts Tightening Sequence
  Courtesy of SUBARU OF AMERICA, INC.
6. Loosen the mounting bolts (4 places) by 180° in numerical order as shown in the figure.
  CAUTION: When loosening the mounting bolts, hold the cylinder block LH while not holding the cylinder block RH to ensure the joint accuracy of the cylinder block.
  
  Fig 9: Identifying Cylinder Block Mounting Bolts Loosening Sequence
  Courtesy of SUBARU OF AMERICA, INC.
7. Tighten the mounting bolts (4 places) with a torque of 17 N.m (1.7 kgf-m, 12.5 ft-lb) in numerical order as shown in the figure.
  CAUTION: When tightening the mounting bolts with specified torque, hold the cylinder block LH while not holding the cylinder block RH to ensure the joint accuracy of the cylinder block.
  
  Fig 10: Identifying Tightening Sequence Of Cylinder Block Mounting Bolts
  Courtesy of SUBARU OF AMERICA, INC.
8. Using ST, tighten the mounting bolts (4 places) with specified angle in numerical order as shown in the figure.
  CAUTION: When tightening the mounting bolts with specified angle, hold the cylinder block LH while not holding the cylinder block RH to ensure the joint accuracy of the cylinder block.
  
  NOTE: Attach the magnet used for securing the ST (ANGLE GAUGE) to the cylinder head bolt attached in step ( 2).
  
  ST 18854AA000 ANGLE GAUGE
  
  Tightening angle:
  
  60°±2°
  
  Fig 11: Tightening Cylinder Block Mounting Bolts Using Angle Gauge
  Courtesy of SUBARU OF AMERICA, INC.
9. Loosen the mounting bolts (6 places) by 180° in numerical order as shown in the figure.
  CAUTION: When loosening the mounting bolts, hold the cylinder block LH while not holding the cylinder block RH to ensure the joint accuracy of the cylinder block.
  
  Fig 12: Identifying Loosening Sequence Of Cylinder Block Mounting Bolts
  Courtesy of SUBARU OF AMERICA, INC.
10. Tighten the mounting bolts (6 places) with a torque of 17 N.m (1.7 kgf-m, 12.5 ft-lb) in numerical order as shown in the figure.
  CAUTION: When tightening the mounting bolts with specified torque, hold the cylinder block LH while not holding the cylinder block RH to ensure the joint accuracy of the cylinder block.
  
  Fig 13: Identifying Tightening Sequence Of Cylinder Block Mounting Bolts
  Courtesy of SUBARU OF AMERICA, INC.
11. Using ST, tighten the mounting bolts (6 places) with specified angle in numerical order as shown in the figure.
  CAUTION: When tightening the mounting bolts with specified angle, hold the cylinder block LH while not holding the cylinder block RH to ensure the joint accuracy of the cylinder block.
  
  NOTE: Attach the magnet used for securing the ST (ANGLE GAUGE) to the cylinder head bolt attached in step ( 2).
  
  ST 18854AA000 ANGLE GAUGE
  
  Tightening angle:
  
  60°±2°
  
  Fig 14: Tightening Cylinder Block Mounting Bolts Using Angle Gauge
  Courtesy of SUBARU OF AMERICA, INC.
12. Remove the cylinder head bolt attached at the locations shown in the figure.
  
  Fig 15: Identifying Cylinder Head Bolt
  Courtesy of SUBARU OF AMERICA, INC.
13. Install the bolt shown in the figure.
NOTE: After tightening, if the liquid gasket is squeezed out in the seal surface area of the chain cover and oil pan upper, completely remove any liquid gasket that is squeezed out. Any liquid gasket on the chamfer area, however, should not be removed.

Tightening torque:

25 N.m (2.5 kgf-m, 18.4 ft-lb)

Fig 16: Locating Cylinder Block RH Bolts (Upper Side)
Courtesy of SUBARU OF AMERICA, INC.
Set the part so that the oil pan side of cylinder block is on the upper side.
Apply a coat of engine oil to the oil seal inner periphery and outer periphery, and install the rear oil seal using ST1 and ST2.
NOTE: Use a new rear oil seal.

ST1 18671AA020 OIL SEAL GUIDE

ST2 18657AA030 OIL SEAL INSTALLER

Fig 17: Installing Rear Oil Seal Using ST1 And ST2
Courtesy of SUBARU OF AMERICA, INC.
Install the A/C compressor bracket bolts and the power steering pump bracket bolts at the locations shown in the figure.
NOTE:
- This procedure is required to prevent the knock pin damage when the cylinder block is raised in the next step.
- Use the same length bolt for the four bolts.
Fig 18: Locating A/C Compressor Bracket Bolts And Power Steering Pump Bracket Bolts
Courtesy of SUBARU OF AMERICA, INC.
Raise the cylinder block so that the rear oil seal is on the lower side.
Align the ring closed gaps of piston ring and oil ring for each piston.
NOTE:
- Make sure ring gaps do not face the same direction.
- Check that the piston ring mark of top ring and second ring faces the top side of the piston.
- Check that the ring gaps is not positioned within the range of piston skirt extended line.
1. Set the ring gap of the top ring to the position (A) in the figure.
  
  Fig 19: Setting Ring Gap Of Top Ring To Position A
  Courtesy of SUBARU OF AMERICA, INC.
2. Position the ring gap of second ring at (B) in the figure on the 180° opposite direction of (A).
  
  Fig 20: Positioning Ring Gap Of Second Ring At B
  Courtesy of SUBARU OF AMERICA, INC.
3. Set the ring gap of the upper rail to the position (C) in the figure.
  
  Fig 21: Setting Ring Gap Of Upper Rail To Position C
  Courtesy of SUBARU OF AMERICA, INC.
4. Align the upper rail spin stopper (E) to the side hole (D) on the piston.
  
  Fig 22: Aligning Upper Rail Spin Stopper (E) To Side Hole (D) On The Piston.
  Courtesy of SUBARU OF AMERICA, INC.
5. Position the ring gap of expander at (F) in the figure on the 180° opposite direction of (C).
  
  Fig 23: Positioning Ring Gap Of Expander At (F)
  Courtesy of SUBARU OF AMERICA, INC.
6. Set the ring gap of lower rail at position (G), located 120° clockwise from (C) in the figure.
  
  Fig 24: Setting Ring Gap Of Lower Rail At Position G
  Courtesy of SUBARU OF AMERICA, INC.
Install the piston and connecting rod to the cylinder block.
1. Apply engine oil to the outer circumference of each piston, crank pin, and in the cylinder block.
2. Turn the crankshaft so that the #1 crank pin (A) is positioned at TDC using ST.
  ST 18252AA000 CRANKSHAFT SOCKET
  
  Fig 25: Turning Crankshaft Using Crankshaft Socket
  Courtesy of SUBARU OF AMERICA, INC.
3. Compress the piston ring using piston ring compressor, and insert the #1 connecting rod with #1 piston into cylinder block.
  CAUTION:
  - Be careful not to damage the cylinder liner and #1 crank pin by the #1 connecting rod large end.
  - Be careful not to apply strong impact when inserting to prevent connecting rod bearing from falling off.
  NOTE:
  - Face the piston front mark (arrow) towards the front of the engine.
  Fig 26: Face Piston Front Mark (Arrow) Towards Front Of Engine.
  Courtesy of SUBARU OF AMERICA, INC.
  - Insert while lightly tapping the crown of the piston with the handle of a plastic hammer.
    
    Fig 27: Tapping Crown Of Piston Using Handle Of Plastic Hammer
    Courtesy of SUBARU OF AMERICA, INC.
4. Turn the crankshaft counterclockwise so that the #1 crank pin and the large end of #1 connecting rod (A) are positioned as shown in the figure using ST, while pressing the #1 piston crown, and then set the #1 connecting rod cap and #1 connecting rod cap bolt.
  NOTE:
  - Each connecting rod has its own mating cap. Make sure that they are assembled correctly by checking their matching symbol.
  - Use a new connecting rod cap bolt.
  - Apply a coat of engine oil to the #1 connecting rod cap seat and the connecting rod cap bolt threads.
  ST 18252AA000 CRANKSHAFT SOCKET
  
  Fig 28: Aligning No. 1 Crank Pin And Large End Of No. 1 Connecting Rod Using Crankshaft Socket
  Courtesy of SUBARU OF AMERICA, INC.
5. Using ST, tighten the #1 connecting rod cap bolts to 10 N.m (1.0 kgf-m, 7.4 ft-lb) in numerical order as shown in the figure, then retighten the bolts to 22 N.m (2.2 kgf-m, 16.2 ft-lb) in numerical order as shown in the figure.
  ST 18270AA020 SOCKET
  
  Fig 29: Tightening No. 1 Connecting Rod Cap Bolts Using ST
  Courtesy of SUBARU OF AMERICA, INC.
6. Turn the crankshaft clockwise so that the #2 crank pin (A) is positioned at TDC using ST.
  ST 18252AA000 CRANKSHAFT SOCKET
  
  Fig 30: Aligning Of Crankshaft No. 2 Pin A Positioned TDC Using ST
  Courtesy of SUBARU OF AMERICA, INC.
7. Compress the piston ring using piston ring compressor, and insert the #2 connecting rod with #2 piston into cylinder block.
  CAUTION:
  - Be careful not to damage the cylinder liner and #2 crank pin by the #2 connecting rod large end.
  - Be careful not to apply strong impact when inserting to prevent connecting rod bearing from falling off.
  NOTE:
  - Face the piston front mark (arrow) towards the front of the engine.
  Fig 31: Identifying Piston Front Mark
  Courtesy of SUBARU OF AMERICA, INC.
  - Insert while lightly tapping the crown of the piston with the handle of a plastic hammer.
    
    Fig 32: Tapping Crown Of Piston Using Handle Of Plastic Hammer
    Courtesy of SUBARU OF AMERICA, INC.
8. Turn the crankshaft clockwise so that the #2 crank pin and the large end of #2 connecting rod (A) are positioned as shown in the figure using ST, while pressing the #2 piston crown, and then set the #2 connecting rod cap and #2 connecting rod cap bolt.
  NOTE:
  - Each connecting rod has its own mating cap. Make sure that they are assembled correctly by checking their matching symbol.
  - Use a new connecting rod cap bolt.
  - Apply a coat of engine oil to the #2 connecting rod cap seat and the connecting rod cap bolt threads.
  ST 18252AA000 CRANKSHAFT SOCKET
  
  Fig 33: Turning Crankshaft Clockwise Using Crankshaft Socket
  Courtesy of SUBARU OF AMERICA, INC.
9. Using ST, tighten the #2 connecting rod cap bolts to 10 N.m (1.0 kgf-m, 7.4 ft-lb) in numerical order as shown in the figure, then retighten the bolts to 22 N.m (2.2 kgf-m, 16.2 ft-lb) in numerical order as shown in the figure.
  ST 18270AA020 SOCKET
  
  Fig 34: Tightening No. 2 Connecting Rod Cap Bolts Using ST
  Courtesy of SUBARU OF AMERICA, INC.
10. Turn the crankshaft clockwise so that the #3 crank pin (A) is positioned at TDC using ST.
  ST 18252AA000 CRANKSHAFT SOCKET
  
  Fig 35: Aligning No. 3 Crank Pin At TDC
  Courtesy of SUBARU OF AMERICA, INC.
11. Compress the piston ring using piston ring compressor, and insert the #3 connecting rod with #3 piston into cylinder block.
  CAUTION:
  - Be careful not to damage the cylinder liner and #3 crank pin by the #3 connecting rod large end.
  - Be careful not to apply strong impact when inserting to prevent connecting rod bearing from falling off.
  NOTE:
  - Face the piston front mark (arrow) towards the front of the engine.
  Fig 36: Identifying Piston Front Mark
  Courtesy of SUBARU OF AMERICA, INC.
  - Insert while lightly tapping the crown of the piston with the handle of a plastic hammer.
    
    Fig 37: Tapping Crown Of Piston Using Handle Of Plastic Hammer
    Courtesy of SUBARU OF AMERICA, INC.
12. Turn the crankshaft counterclockwise so that the #3 crank pin and the large end of #3 connecting rod (A) are positioned as shown in the figure using ST, while pressing the #3 piston crown, and then set the #3 connecting rod cap and #3 connecting rod cap bolt.
  NOTE:
  - Each connecting rod has its own mating cap. Make sure that they are assembled correctly by checking their matching symbol.
  - Use a new connecting rod cap bolt.
  - Apply a coat of engine oil to the #3 connecting rod cap seat and the connecting rod cap bolt threads.
  ST 18252AA000 CRANKSHAFT SOCKET
  
  Fig 38: Aligning No. 3 Crank Pin And Large End Of No. 3 Connecting Rod Using Crankshaft Socket
  Courtesy of SUBARU OF AMERICA, INC.
13. Using ST, tighten the #3 connecting rod cap bolts to 10 N.m (1.0 kgf-m, 7.4 ft-lb) in numerical order as shown in the figure, then retighten the bolts to 22 N.m (2.2 kgf-m, 16.2 ft-lb) in numerical order as shown in the figure.
  ST 18270AA020 SOCKET
  
  Fig 39: Tightening No. 3 Connecting Rod Cap Bolts Using Tool
  Courtesy of SUBARU OF AMERICA, INC.
14. Turn the crankshaft clockwise so that the #4 crank pin (A) is positioned at TDC using ST.
  ST 18252AA000 CRANKSHAFT SOCKET
  
  Fig 40: Turning Crankshaft Clockwise Using Crankshaft Socket
  Courtesy of SUBARU OF AMERICA, INC.
15. Compress the piston ring using piston ring compressor, and insert the #4 connecting rod with #4 piston into cylinder block.
  CAUTION:
  - Be careful not to damage the cylinder liner and #4 crank pin by the #4 connecting rod large end.
  - Be careful not to apply strong impact when inserting to prevent connecting rod bearing from falling off.
  NOTE:
  - Face the piston front mark (arrow) towards the front of the engine.
    
    Fig 41: Identifying Piston Front Mark
    Courtesy of SUBARU OF AMERICA, INC.
  - Insert while lightly tapping the crown of the piston with the handle of a plastic hammer.
    
    Fig 42: Tapping Crown Of Piston Using Handle Of Plastic Hammer
    Courtesy of SUBARU OF AMERICA, INC.
16. Turn the crankshaft clockwise so that the #4 crank pin and the large end of #4 connecting rod (A) are positioned as shown in the figure using ST, while pressing the #4 piston crown, and then set the #4 connecting rod cap and #4 connecting rod cap bolt.
  NOTE:
  - Each connecting rod has its own mating cap. Make sure that they are assembled correctly by checking their matching symbol.
  - Use a new connecting rod cap bolt.
  - Apply a coat of engine oil to the #4 connecting rod cap seat and the connecting rod cap bolt threads.
  ST 18252AA000 CRANKSHAFT SOCKET
  
  Fig 43: Aligning No. 4 Crank Pin And Large End Of No. 4 Connecting Rod Using Crankshaft Socket
  Courtesy of SUBARU OF AMERICA, INC.
17. Using ST, tighten the #4 connecting rod cap bolts to 10 N.m (1.0 kgf-m, 7.4 ft-lb) in numerical order as shown in the figure, then retighten the bolts to 22 N.m (2.2 kgf-m, 16.2 ft-lb) in numerical order as shown in the figure.
  ST 18270AA020 SOCKET
  
  Fig 44: Tightening No. 4 Connecting Rod Cap Bolts Using Socket
  Courtesy of SUBARU OF AMERICA, INC.
18. Install the cam carrier mounting bolts at the locations shown in the figure.
  NOTE: This procedure is required to tighten the connecting rod cap bolts with specified angle using ST.
  
  Fig 45: Locating Cam Carrier Mounting Bolts
  Courtesy of SUBARU OF AMERICA, INC.
19. Turn the crankshaft so that the #1 connecting rod cap (A) and #4 connecting rod cap (B) is located at the position shown in the figure using ST.
  ST 18252AA000 CRANKSHAFT SOCKET
  
  Fig 46: Aligning No. 1 Connecting Rod Cap And No. 4 Connecting Rod Cap Using Crankshaft Socket
  Courtesy of SUBARU OF AMERICA, INC.
20. Using ST1 and ST2, tighten the #1 connecting rod cap bolts and #4 connecting rod cap bolts with specified angle in numerical order as shown in the figure.
  NOTE: Attach the magnet used for securing the ST1 (ANGLE GAUGE) to the cam carrier mounting bolt attached in step ( 18).
  
  ST1 18854AA000 ANGLE GAUGE
  
  ST2 18270AA020 SOCKET
  
  Tightening angle:
  
  137°±2°
  
  Fig 47: Tightening No. 1 Connecting Rod Cap Bolts And No. 4 Connecting Rod Cap Bolts
  Courtesy of SUBARU OF AMERICA, INC.
21. Turn the crankshaft so that the #2 connecting rod cap (A) and #3 connecting rod cap (B) is located at the position shown in the figure using ST.
  ST 18252AA000 CRANKSHAFT SOCKET
  
  Fig 48: Aligning No. 2 Connecting Rod Cap And No. 3 Connecting Rod Cap Using Crankshaft Socket
  Courtesy of SUBARU OF AMERICA, INC.
22. Using ST1 and ST2, tighten the #2 connecting rod cap bolts and #3 connecting rod cap bolts with specified angle in numerical order as shown in the figure.
  NOTE: Attach the magnet used for securing the ST1 (ANGLE GAUGE) to the cam carrier mounting bolt attached in step ( 18).
  
  ST1 18854AA000 ANGLE GAUGE
  
  ST2 18270AA020 SOCKET
  
  Tightening angle:
  
  137°±2°
  
  Fig 49: Aligning No. 2 Connecting Rod Cap Bolts And No. 3 Connecting Rod Cap Bolts Using ST
  Courtesy of SUBARU OF AMERICA, INC.
23. Remove the cam carrier mounting bolts attached at the locations shown in the figure.
  
  Fig 50: Locating Cam Carrier Mounting Bolts
  Courtesy of SUBARU OF AMERICA, INC.
Set the cylinder block so that the oil pan side is on the upper side, and remove the A/C compressor bracket bolts and the power steering pump bracket bolts attached at the locations shown in the figure.

Fig 51: Locating A/C Compressor Bracket And Power Steering Pump Bracket Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the oil pan upper with oil pan to the cylinder block.
1. Apply liquid gasket to the mating surface of oil pan upper as shown in the figure.
  NOTE:
  - Before applying liquid gasket, degrease the old liquid gasket seal surface of the cylinder block and the oil pan upper.
  - Install within 5 min. after applying liquid gasket.
  - Apply liquid gasket 1.5 mm (0.0591 in) outside from the chamfer surface. However, application of liquid gasket on the chamfer surface around the bolt hole is allowed.
  Liquid gasket:
  
  THREE BOND 1217G (Part No. 0877Y0100) or equivalent
  
  Liquid gasket applying diameter:
  
  5±1 mm (0.1969±0.0394 in)
  
  Fig 52: Identifying Liquid Gasket Applying Area On Mating Surface Of Oil Pan Upper
  Courtesy of SUBARU OF AMERICA, INC.
2. Install the O-ring to the cylinder block.
  NOTE: Use new O-rings.
  
  Fig 53: Locating Cylinder Block O-Rings
  Courtesy of SUBARU OF AMERICA, INC.
3. Set the oil pan with oil pan upper to the cylinder block, and tighten the bolts in numerical order as shown in the figure.
NOTE: After tightening, if the liquid gasket is squeezed out onto the seal surface of the chain cover, completely remove any squeezed-out liquid gasket.

Tightening torque:

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

Fig 54: Identifying Tightening Sequence Of Oil Pan Upper To Cylinder Block Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Set the thermostat to the oil pan upper, and install the thermostat cover.
NOTE: Use a new gasket.

Tightening torque:

6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

Fig 55: Locating Thermostat Cover Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the ST1, ST2, ST3 and ST4 to the cylinder block and oil pan upper.
ST1 498457000 ENGINE STAND ADAPTER RH

ST2 498457100 ENGINE STAND ADAPTER LH

ST3 18362AA020 ADAPTER

ST4 499817100 ENGINE STAND

Tightening torque:

35 N.m (3.6 kgf-m, 25.8 ft-lb)

Fig 56: Installing ST1, ST2, ST3 And ST4 To Cylinder Block And Oil Pan Upper
Courtesy of SUBARU OF AMERICA, INC.
Install the crankshaft position sensor with crankshaft position sensor holder to the cylinder block LH.
Tightening torque:

6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

Fig 57: Locating Crankshaft Position Sensor Holder Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the crankshaft position sensor plate with drive plate. (AT model) < Refer to INSTALLATION , Drive Plate. >
Install the crankshaft position sensor plate with flywheel. (MT model) < Refer to INSTALLATION , Flywheel. >
Install the clutch disc and cover. (MT model) < Refer to INSTALLATION , Clutch Disc and Cover. >
Install the PCV valve onto the cylinder block RH.
NOTE: Apply liquid gasket to the bolt threads of PCV valve.

Liquid gasket:

THREE BOND 1141G or equivalent

Tightening torque:

23 N.m (2.3 kgf-m, 17.0 ft-lb)

Fig 58: Locating Cylinder Block RH PCV Valve
Courtesy of SUBARU OF AMERICA, INC.
Install the PCV hose assembly (A) and the vacuum hose (B) to cylinder block and PCV valve.
NOTE: Use a new clamp for the PCV hose assembly (A), fit the cut out in the ST with the protrusion on the clamp as shown in the figure, and lock the clamp.

ST 18353AA000 CLAMP PLIERS

Fig 59: Removing/Installing PCV Hose Assembly And Vacuum Hose Clamps
Courtesy of SUBARU OF AMERICA, INC.
Install the knock sensor to the cylinder block LH.
NOTE: Knock sensor must be positioned toward engine front so that the connector center position is within the range of 76.5 - 91.5° (shaded area).

Tightening torque:

24 N.m (2.4 kgf-m, 17.7 ft-lb)

Fig 60: Positioning Of Cylinder Block LH Knock Sensor
Courtesy of SUBARU OF AMERICA, INC.
Install the O-ring to the cylinder block and PCV connector.
NOTE: Use new O-rings.

Fig 61: Locating Cylinder Block And PCV Connector O-Rings
Courtesy of SUBARU OF AMERICA, INC.
Install the water pipe assembly and PCV connector to the cylinder block.
Tightening torque:

6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

Fig 62: Locating Water Pipe Assembly And PCV Connector Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the engine rear hanger to the cylinder block RH.
Tightening torque:

21 N.m (2.1 kgf-m, 15.5 ft-lb)

Fig 63: Locating Cylinder Block RH Engine Rear Hanger Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the crank sprocket. < Refer to INSTALLATION , Crank Sprocket. >
Install the cylinder head. < Refer to INSTALLATION , Cylinder Head. >
Install the cam carrier. < Refer to INSTALLATION , Cam Carrier. >
Install the rocker cover. < Refer to INSTALLATION , Rocker Cover. >
Install the chain cover. < Refer to INSTALLATION , Chain Cover. >
Install the tumble generator valve assembly. < Refer to INSTALLATION , Tumble Generator Valve Assembly. >
Install the intake manifold. < Refer to INSTALLATION , Intake Manifold. >
Install the engine to the vehicle. < Refer to INSTALLATION , Engine Assembly. >