Oil pump ASSY (FA20)
Components Removal / installation
LUBRICATION
OIL PUMP ASSY (FA20)
EXPLODED VIEW
REMOVAL
1. Disconnection of the battery ground terminal (Refer to 
)
)2. Draining of coolant (SUBARU Super Coolant) (Refer to )
)3. Generator ASSY removal
(Refer to )
)4. Removal of injector driver (Refer to )
)5. Removal of radiator reservoir tank ASSY (Refer to )
)6. Water filler SUB-ASSY removal (Refer to )
)7. Removal of exhaust manifold
(Refer to )
)8. Disconnection of radiator outlet hose (Refer to )
)9. Engine oil draining
(1) Remove the oil filler cap SUB-ASSY.
(2) Remove the oil pan drain plug and gasket.
(3) After draining the oil, install the oil pan drain plug with a new gasket.
Standard value:
Standard value:
Tightening torque=42N·m
{
428kgf·cm}
{31.0ft·lbf}
10. Water pump pulley removal (Refer to )
)11. Removal of crankshaft pulley (Refer to )
)12. Removal of intake manifold protector (bank 1 side) (Refer to )
)13. Engine wiring disconnection
(1) Remove the two bolts and disconnect the two wiring harness clamp brackets and wiring harness.
(2) Remove the bolt and disconnect the wiring harness clamp bracket and wiring harness.
(3) Disconnect the connector for camshaft position sensor.
(4) Disconnect the connector of cam position sensor and two connectors of cam timing oil control valve ASSY.
(5) Disconnect the connector of cam position sensor and connectors of cam timing oil control valve ASSY.
(6) Disconnect the connector of engine oil temperature sensor and connector of engine oil pressure switch ASSY.
(7) Disconnect the clamp.
(8) Disconnect the connector of cam position sensor and connectors of cam timing oil control valve ASSY.
14. Oil level gauge guide removal
(1) Remove the oil level gauge SUB-ASSY.
(2) Remove the bolt and remove the oil level gauge guide.
(3) Remove the O-ring from the oil level gauge guide.
15. Idler pulley SUB-ASSY NO. 2 removal
(1) Remove the bolt and remove the idler pulley SUB-ASSY NO. 2 and idler pulley cover.
16. V-ribbed belt tensioner ASSY removal
(1) Remove the four bolts and remove the V-ribbed belt tensioner ASSY.
17. Idler pulley SUB-ASSY NO. 1 removal
(1) Remove the bolt and remove the idler pulley SUB-ASSY NO. 1 and idler pulley cover.
(2) Remove the bolt and remove the idler pulley SUB-ASSY NO. 1 and idler pulley cover.
18. Removal of timing chain cover oil seal (Refer to )
)19. Timing chain cover SUB-ASSY removal
(1) Remove the 32 bolts.
(2) Remove the timing chain cover SUB-ASSY using a flat tip screwdriver wrapped with protective tape at the rib locations as shown in the figure.
Captions in illustration
| *1 |
Protective tape |
- |
- |
CAUTION:
Do not damage the chain cover, cylinder head, timing chain and cylinder block.
(3) Remove the four O-rings.
DISASSEMBLY
1. Oil filter SUB-ASSY removal (Refer to )
)2. Oil filter union removal (Refer to )
)
3. Engine oil pressure switch ASSY removal
4. Engine oil temperature sensor removal
5. Cam position sensor removal (bank 1 intake side)
(1) Remove the bolt, and remove the camshaft position sensor.
(2) Remove the O-ring from the camshaft position sensor.
6. Cam position sensor removal (bank 1 exhaust side)
(1) Remove the bolt, and remove the camshaft position sensor.
(2) Remove the O-ring from the camshaft position sensor.
7. Cam position sensor removal (bank 2 intake side)
(1) Remove the bolt, and remove the camshaft position sensor.
(2) Remove the O-ring from the camshaft position sensor.
8. Cam position sensor removal (bank 2 exhaust side)
(1) Remove the bolt, and remove the camshaft position sensor.
(2) Remove the O-ring from the camshaft position sensor.
9. Removal of camshaft timing oil control valve ASSY (bank 1 intake side)
10. Removal of camshaft timing oil control valve ASSY (bank 1 exhaust side)
11. Removal of camshaft timing oil control valve ASSY (bank 2 intake side)
ASSEMBLY
1. Installation of camshaft timing oil control valve ASSY (bank 2 exhaust side)
2. Installation of camshaft timing oil control valve ASSY (bank 2 intake side)
3. Installation of camshaft timing oil control valve ASSY (bank 1 exhaust side)
4. Installation of camshaft timing oil control valve ASSY (bank 1 intake side)
5. Cam position sensor installation (bank 2 exhaust side)
(1) Attach a new O-ring to the camshaft position sensor.
(2) Apply engine oil to the O-ring.
(3) Using bolt, install the camshaft position sensor.
Standard value:
Standard value:
Tightening torque=6.4N·m
{
65kgf·cm}
{4.7ft·lbf}
6. Cam position sensor installation (bank 2 intake side)
(1) Attach a new O-ring to the camshaft position sensor.
(2) Apply engine oil to the O-ring.
(3) Using bolt, install the camshaft position sensor.
Standard value:
Standard value:
Tightening torque=6.4N·m
{
65kgf·cm}
{4.7ft·lbf}
7. Cam position sensor installation (bank 1 exhaust side)
(1) Attach a new O-ring to the camshaft position sensor.
(2) Apply engine oil to the O-ring.
(3) Using bolt, install the camshaft position sensor.
Standard value:
Standard value:
Tightening torque=6.4N·m
{
65kgf·cm}
{4.7ft·lbf}
8. Cam position sensor installation (bank 1 intake side)
(1) Attach a new O-ring to the camshaft position sensor.
(2) Apply engine oil to the O-ring.
(3) Using bolt, install the camshaft position sensor.
Standard value:
Standard value:
Tightening torque=6.4N·m
{
65kgf·cm}
{4.7ft·lbf}
9. Engine oil temperature sensor installation
10. Engine oil pressure switch ASSY installation
11. Oil filter union installation (Refer to )
)12. Oil filter SUB-ASSY installation (Refer to )
)INSTALLATION
1. Timing chain cover SUB-ASSY installation
(1) Apply a coat of engine oil to four new O-rings and install them to the engine.
(2) Before applying the liquid gasket, completely remove the old liquid gasket on the sealing portion.
(3) If there are gaps at the locations as shown in the figure, fill the gaps with THREE BOND 1217G or equivalent.
(4) Apply THREE BOND 1217G or equivalent to the locations of timing chain cover SUB-ASSY as shown in the figure.
Captions in illustration
| *a |
Range A |
*b |
Boss portion (five locations) |
| *c |
Range B |
*d |
Other than ranges A and B |
| *e |
φ3.5 to 4.5 mm {0.138 to 0.177 in} |
*f |
2 mm {0.079 in} |
| *g |
φ12 mm {0.472 in} |
*h |
2.5 mm {0.098 in} |
| *i |
0.5 mm {0.020 in} |
- |
- |
CAUTION:
·Clean and degrease the installation surface.
·Install within 5 min. after applying liquid gasket.
·Do not fill the engine oil within 2 hour after the installation.
·Do not start the engine within 2 hour after the installation.
·Install within 5 min. after applying liquid gasket.
·Do not fill the engine oil within 2 hour after the installation.
·Do not start the engine within 2 hour after the installation.
(5) Temporarily install the timing chain cover SUB-ASSY with the 32 bolts.
2. Installation of timing chain cover oil seal (Refer to )
)
3. Idler pulley SUB-ASSY NO. 1 installation
(1) Install the idler pulley cover as shown in the figure.
Captions in illustration
| *a |
Protrusion portion |
(2) Install the idler pulley SUB-ASSY NO. 1 and idler pulley cover with the bolt.
Standard value:
Standard value:
Tightening torque=36N·m
{
367kgf·cm}
{26.6ft·lbf}
(3) Install the idler pulley cover as shown in the figure.
Captions in illustration
| *a |
Protrusion portion |
(4) Install the idler pulley SUB-ASSY NO. 1 and idler pulley cover with the bolt.
Standard value:
Standard value:
Tightening torque=36N·m
{
367kgf·cm}
{26.6ft·lbf}
4. V-ribbed belt tensioner ASSY installation
(1) Install the V-ribbed belt tensioner ASSY with the four bolts.
(2) Tighten the four bolts in the order as shown in the figure.
Standard value:
Standard value:
Tightening torque=36N·m
{
367kgf·cm}
{26.6ft·lbf}
5. Idler pulley SUB-ASSY NO. 2 installation
6. Oil level gauge guide installation
(1) Install a new O-ring to the oil level gauge guide.
(2) Apply engine oil to the O-ring and install the oil level gauge guide with the bolt.
Standard value:
Standard value:
Tightening torque=6.4N·m
{
65kgf·cm}
{4.7ft·lbf}
(3) Install the oil level gauge SUB-ASSY.
7. Engine wiring connection
(1) Connect the connector of cam position sensor and connector of cam timing oil control valve ASSY.
(2) Connect the clamp.
(3) Connect the connector of engine oil temperature sensor and connector of engine oil pressure switch ASSY.
(4) Connect the connector of cam position sensor and connector of cam timing oil control valve ASSY.
(5) Connect the two connectors of cam position sensor and connector of cam timing oil control valve ASSY.
(6) Connect the connector for camshaft position sensor.
(7) Install the wiring harness clamp bracket and wiring harness with the bolt.
Standard value:
Standard value:
Tightening torque=6.4N·m
{
65kgf·cm}
{4.7ft·lbf}
(8) Remove the two bolts and connect the two wiring harness clamp brackets and wiring harness.
Standard value:
Standard value:
Tightening torque=6.4N·m
{
65kgf·cm}
{4.7ft·lbf}
8. Installation of intake manifold protector (bank 1 side) (Refer to )
)9. Installation of crankshaft pulley (Refer to )
)10. Water pump pulley installation (Refer to )
)11. Connection of radiator outlet hose (Refer to )
)12. Exhaust manifold installation (Refer to )
)13. Water filler SUB-ASSY installation (Refer to )
)14. Radiator reservoir tank ASSY installation (Refer to )
)15. Installation of injector driver (Refer to )
)16. Installation of generator ASSY (Refer to )
)17. Connection of the battery ground terminal
Standard value:
Standard value:
Tightening torque=6.0N·m
{
61kgf·cm}
{4.4ft·lbf}
18. Replenishing of coolant (SUBARU Super Coolant) (Refer to )
)19. Engine oil refill (Refer to )
)20. Engine oil level check (Refer to )
)21. Leak check of coolant (SUBARU Super Coolant) (Refer to )
)22. Engine oil leakage check (Refer to )
)