Subaru 2002 Impreza Service Manual page 192

GENERAL
Lubrication
B: TURBO MODEL
(1 ) Oil filter
(2) Oil cooler
(3) Oil pump
NF0058
(4) Oil strainer
(5) Intake gallery
(6) Exhaust gallery
(a) Bypass valve opening pressure:
157 kPa (1.6 kgf/cm2, 23 psi)
(b) Relief valve opening pressure:
588 kPa (6.0 kgf/cm2, 85 psi)
LU-4