Subaru Impreza 2003 Service Manual page 2550

BRAKE
7. BRAKE BOOSTER
• MODEL With ABS
(1) Push rod
(2) Return spring
(3) Reaction disc
(4) Key
• MODEL Without ABS
(1) Push rod
(2) Return spring
(3) Diaphragm plate
(4) Reaction disc
GENERAL DESCRIPTION
( 1 )
( 2 )
(5) Filter
(6) Silencer
(7) Operating rod
(8) Poppet valve
(1)
(2)
(5) Plunger valve
(6) Key
(7) Poppet valve
(8) Valve return spring
BR-18
(11)
(10)
( 8 )
(12)
( 7 )
( 4 ) ( 5 ) ( 6 )
( 3 )
( 9 )
(9)
(10)
(11)
(12)
(3)
(8) (9)
(7)
(5)
(10)
(11)
(6)
(12)
(4)
(9)
(10)
(11)
(12)
BR-00008
Valve body
Plunger valve
Diaphragm plate
Valve return spring
BR-00285
Operating rod
Silencer
Filter
Valve body