Subaru Legacy BN/BS (2015-2019) Service Manual: Installation

Subaru Legacy BN/BS (2015-2019) Service Manual / Mechanical(h4do) / Chain cover / Installation

1. Install the O-rings to cylinder head RH, cylinder head LH, cylinder block LH and oil pan upper.

NOTE:

• Use new O-rings.

• Apply a coat of engine oil to the O-rings.

2. Apply liquid gasket if there are gaps between front camshaft cap and cam carrier (A), cam carrier and cylinder head (B), and cylinder head and cylinder block (C) as shown in the figure.

Liquid gasket:

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

3. Apply liquid gasket to the chain cover mating surface and center boss (5 places) as shown in the figure.

NOTE:

• Before applying liquid gasket, degrease the old liquid gasket seal surface of the engine and chain cover.

• Install within 5 min. after applying liquid gasket.

Liquid gasket:

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

Liquid gasket applying diameter:

4±0.5 mm (0.1575±0.0197 in)

(A)	14.5 mm (0.5709 in)	(G)	127 mm (5.0000 in)	(M)	φ4±0.5 mm (0.1575±0.0197 in)
(B)	17.5 mm (0.6890 in)	(H)	Range B	(N)	2 mm (0.0787 in)
(C)	Range A	(I)	Liquid gasket applying position of mating surfaces of range A	(O)	φ12 mm (0.4724 in)
(D)	316.2 mm (12.4488 in)	(J)	Liquid gasket applying position of center boss (5 places)	(P)	2.5 mm (0.0984 in)
(E)	24.5 mm (0.9646 in)	(K)	Liquid gasket applying position of mating surfaces of range B	(Q)	0.5 mm (0.0197 in)
(F)	18.5 mm (0.7283 in)	(L)	Liquid gasket applying position of mating surfaces other than range A and range B

4. Set the chain cover, and tighten the bolts in numerical order as shown in the figure.

CAUTION:

The chain cover may contact the protrusion (a) of cam sprocket sensor plate and cause damage. When setting the chain cover, move the chain cover horizontally and set it while taking care not to contact with the cam sprocket.

Tightening torque:

T1: 10 N·m (1.0 kgf-m, 7.4 ft-lb)

T2: 25 N·m (2.5 kgf-m, 18.4 ft-lb)

(A)	M6 - 20	(C)	M8 - 25	(D)	M8 - 60
(B)	M6 - 50

5. Install the idler pulley (C) and oil level gauge guide (B), and insert the oil level gauge (A).

NOTE:

• When installing the idler pulley, be careful of the idler pulley cover direction.

(a)

Idler pulley cover

(b)

Protrusion (3 places)

• Use a new O-ring to the oil level gauge guide.

• Apply a light coat of engine oil to the O-rings of the oil level gauge guide and the oil level gauge.

Tightening torque:

T1: 6.4 N·m (0.7 kgf-m, 4.7 ft-lb)

T2: 36 N·m (3.7 kgf-m, 26.6 ft-lb)

6. Connect the terminal (C), connector (D), connector (E) and connector (F), and secure the engine harness with the clip (G) and clip (H).

7. Secure the oil level switch harness with clip (B), and connect the connector (A).

8. Connect the connector (A) and connector (B) and secure the engine harness with the clip (C) and clip (D).

9. Install the bolt securing the engine harness stay.

Tightening torque:

6.4 N·m (0.7 kgf-m, 4.7 ft-lb)

10. Install the crank pulley. Crank Pulley > INSTALLATION

11. Install the water pump pulley. Water Pump > INSTALLATION

12. Install the generator. Generator > INSTALLATION

13. Install the V-belts. V-belt > INSTALLATION

14. Fill engine oil. Engine Oil > REPLACEMENT

15. When working on the vehicle

NOTE:

When working on the vehicle, perform the following steps also.

(1) Install the generator cord stay to the chain cover.

NOTE:

Install the generator cord stay so that the folded end (a) touches the chain cover boss.

Tightening torque:

6.4 N·m (0.7 kgf-m, 4.7 ft-lb)

(2) Install the engine mount. Engine Mounting > INSTALLATION

(3) Install the front exhaust pipe. Front Exhaust Pipe > INSTALLATION

(4) Install the radiator. Radiator > INSTALLATION

Assembly

1. Install the camshaft position sensor. Camshaft Position Sensor > INSTALLATION2. Install the oil control solenoid. Oil Control Solenoid > INSTALLATION3. Install the engine oil temperature sensor. ...

Inspection

Check that the chain cover does not have deformation, cracks and any other damage. ...

Other materials:

Installation
1. Apply a coat of spray type lubricant to the mating area of cushion rubber.2. Install the rear exhaust pipe to cushion rubber.NOTE:After assembling, degrease the lubricant which was applied to the cushion rubber while removing/installing.3. Install the bolts and self-locking nuts which secure the ...