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

Subaru Legacy BN/BS (2015-2019) Service Manual / Mechanical(h6do) / Cylinder head / Disassembly

1. Set the cylinder head on ST.

ST 18250AA010

CYLINDER HEAD TABLE

2. Remove the valve lifter.

3. Compress the valve spring using ST, and remove the valve spring retainer key, each valve and valve spring.

ST 499718000

VALVE SPRING REMOVER

NOTE:

• Mark each valve to prevent confusion.

• Pay careful attention not to damage the lips of intake valve oil seals and exhaust valve oil seals.

• Keep all the removed parts in order for re-installing in their original positions.

• For removal and installation procedures of the valve guide, intake valve oil seal and exhaust valve oil seal, refer to “INSPECTION”. Cylinder Head > INSPECTION Cylinder Head > INSPECTION

4. Remove the plug and filter from the front camshaft cap as necessary.

(A)	Plug (PT 1/8)	(C)	Plug (M16 - 1.5)	(D)	Filter
(B)	Plug (PT 1/16)

Inspection

1. CYLINDER HEAD1. Make sure that there are no cracks or other damages. Perform visual check, and use liquid penetrant tester on the important sections. Check that there are no marks of gas leaking or ...

Engine assembly

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Other materials:

Preparation tool
1. GENERAL TOOLTOOL NAMEREMARKSCircuit testerUsed for measuring resistance, voltage and current.NOTE:• When measuring the standby current, prepare a circuit tester which can measure down to 1 mA.• When measuring the standby current for models with keyless access function, prepare an anal ...