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

Subaru Legacy BN/BS (2015-2019) Service Manual / Brake / Front disc brake assembly / Disassembly

CAUTION:

Be careful not to allow foreign matter to enter the brake hose connector.

1. Remove mud and foreign matter from the caliper body assembly.

2. Remove the piston - disc brake.

(1) Place a wooden block in the caliper body as shown in the figure to prevent the piston - disc brake from jumping out and being damaged.

(2) Using an air gun, gradually apply compressed air via the brake hose installation hole to push out the piston - disc brake.

NOTE:

Instead of removing the pistons one by one, remove all pistons at once after adjusting the amount of protrusion evenly using a wooden block.

3. Remove the piston boot (b) and piston seal (c) from the caliper body cylinder (a).

CAUTION:

Do not damage the cylinder and piston seal groove.

4. Remove each part from support - front disc brake.

(a)	Guide pin - front brake	(c)	Lock pin - sleeve	(d)	Pin boot
(b)	Lock pin - front brake

Inspection

1. Check the piston sliding part of caliper body and the piston for uneven wear, damage or rust.2. Check the rubber parts for damage or deterioration.3. If faulty is found in the inspection, replace t ...

Front disc rotor

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Other materials:

Disassembly
1. Set the cylinder head on ST.ST 18250AA010CYLINDER HEAD TABLE2. Remove the valve lifter.3. Compress the valve spring using ST, and remove the valve spring retainer key, each valve and valve spring.ST 499718000VALVE SPRING REMOVERNOTE:• Mark each valve to prevent confusion.• Pay c ...