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

Subaru Legacy BN/BS (2015-2019) Service Manual / Mechanical(h4do) / Cylinder block / Disassembly

1. CYLINDER BLOCK

1. Remove the oil separator cover from cylinder block RH.

2. Remove the liquid gasket from cylinder block RH.

3. Remove the cylinder block plug (A) and the main gallery plug (B) from cylinder block RH.

4. Remove the liquid gasket from the thread holes of the cylinder block RH, and from the threaded portions of cylinder block plug and main gallery plug.

5. Remove the cylinder block plate from cylinder block LH.

6. Remove the main gallery plug from cylinder block LH.

7. Remove the liquid gasket from the thread holes of the cylinder block LH and main gallery plug.

2. PISTON AND CONNECTING ROD

(1)	Connecting rod	(4)	Piston	(7)	Oil ring
(2)	Connecting rod bearing	(5)	Piston pin	(8)	Second ring
(3)	Connecting rod cap	(6)	Circlip	(9)	Top ring

NOTE:

To prevent confusion of various parts, mark each part.

1. Remove the connecting rod bearing from connecting rod and connecting rod cap.

2. Remove the piston rings from the piston.

NOTE:

Arrange the piston rings in order so that they can be installed in their original positions without confusion.

(1) Remove the compression rings in the order of top ring and second ring, using piston ring expander.

(2) Remove the oil rings in the order of upper rail, lower rail and expander by hand.

3. Remove the circlip on one end from the piston using a flat tip screwdriver.

NOTE:

Be careful not damage the piston and piston pin, by wrapping the tip of flat tip screwdriver with tape.

4. Remove the piston pin from piston, and remove the connecting rod from piston.

5. Remove the circlip on other end from the piston using a flat tip screwdriver.

NOTE:

Be careful not damage the piston and piston pin, by wrapping the tip of flat tip screwdriver with tape.

Assembly

1. CYLINDER BLOCK1. Apply liquid gasket to the threaded portion of the main gallery plug, and install the main gallery plug to the cylinder block LH.NOTE:Before applying liquid gasket, degrease the th ...

Cylinder head

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Other materials:

Inspection
1. BACK-UP LIGHT SWITCH1. Turn the ignition switch to OFF.2. Disconnect the back light switch connector.3. Measure the resistance between the back-up light switch terminals.Gear shift positionTerminal No.Specified resistanceReverse position1 and 2Less than 1 -Other positions1 M- or more4. Replace fa ...