Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 61
ME(STI)-6
General Description
MECHANICAL
(1)
Timing belt cover No. 2 RH
(13) Belt idler No. 2
Tightening torque: N·m (kgf-m, ft-lb)
(2)
Timing belt guide
(14) Belt idler
T1: 3.4 (0.3, 2.5)
(3)
Crank sprocket
(15) Timing belt cover LH
T2: 5 (0.5, 3.7)
(4)
Timing belt cover No. 2 LH
(16) Front belt cover
T3: 6.4 (0.7, 4.7)
(5)
Tensioner bracket
(17) Timing belt cover RH
T4: 9.75 (1.0, 7.2)
(6)
Automatic belt tension adjuster
ASSY
(18) Crank pulley
T5: 24.5 (2.5, 18.1)
(7)
Belt idler
(19) O-ring
T6: 25 (2.5, 18.4)
(8)
Exhaust cam sprocket RH
(20) Timing belt guide
T7: 39 (4.0, 28.8)
(9)
Intake cam sprocket RH
(21) Intake actuator cover
T8: <Ref. to ME(STI)-59, INSTALLA-
(10) Intake cam sprocket LH
(22) Exhaust actuator cover
T9: <Ref. to ME(STI)-47, INSTALLA-
(11) Exhaust cam sprocket LH
(23) Belt idler
(12) Timing belt
(24) Engine harness cover
ME(STI)-7
General Description
MECHANICAL
2. CYLINDER HEAD AND CAMSHAFT
ME-04944
T6
T6
T6
T6
T6
T6
T5
(3)
(7)
(6)
(9)
(8)
(10)
(12)
(13)
(25)
(21)
(20)
(6)
(16)
(17)
(18)
(9)
(8)
(19)
(15)
(14)
(29)
(11)
(5)
(4)
(22)
T6
T6
(14)
(29)
(35)
(12)
(27)
(26)
(27)
(33)
(32)
T1
T5
(11)
(31)
(30)
T4
T2
T1
T4
T3
T3
(36)
(24)
(23)
T1
(34)
T6
(1)
(2)
T6
(28)
T2
(33)
(27)
T1
T4
(32)
T4
ME(STI)-8
General Description
MECHANICAL
(1)
Rocker cover RH
(16) Intake camshaft LH
(31) Gasket RH
(2)
Rocker cover gasket RH
(17) Exhaust camshaft LH
(32) Union bolt with filter (with protru-
sion)
(3)
Front camshaft cap RH
(18) Front camshaft cap LH
(33) Union bolt without filter (without
protrusion)
(4)
Intake camshaft cap RH
(19) Intake camshaft cap LH
(34) Gasket
(5)
Intake camshaft RH
(20) Exhaust camshaft cap LH
(35) Exhaust oil flow control solenoid
valve LH
(6)
Intake oil flow control solenoid
valve
(21) Rocker cover gasket LH
(36) Gasket LH
(7)
Exhaust camshaft cap RH
(22) Rocker cover LH
(8)
Gasket
(23) Oil filler cap
Tightening torque: N·m (kgf-m, ft-lb)
(9)
Oil return cover
(24) Oil filler duct
T1: 6.4 (0.7, 4.7)
(10) Exhaust camshaft RH
(25) O-ring
T2: 9 (0.9, 6.6)
(11) Cylinder head bolt
(26) Oil pipe LH
T3: 10 (1.0, 7.4)
(12) Oil seal
(27) Gasket
T4: 29 (3.0, 21.4)
(13) Cylinder head RH
(28) Oil pipe RH
T5: <Ref. to ME(STI)-70, INSTALLA-
(14) Cylinder head gasket
(29) Stud bolt
T6: <Ref. to ME(STI)-64, INSTALLA-
(15) Cylinder head LH
(30) Exhaust oil flow control solenoid
valve RH
ME(STI)-9
General Description
MECHANICAL
3. CYLINDER HEAD AND VALVE ASSEMBLY
(1)
Exhaust valve
(5)
Intake valve oil seal
(9)
Valve lifter
(2)
Intake valve
(6)
Valve spring
(10) Exhaust valve oil seal
(3)
Cylinder head
(7)
Valve spring retainer
(11) Intake valve guide
(4)
Valve spring seat
(8)
Valve spring retainer key
(12) Exhaust valve guide
(3)
(1)
(12)
(10)
(4)
(6)
(7)
(8)
(9)
(10)
(4)
(6)
(7)
(8)
(9)
ME-04990
(12)
(2)
(11)
(4) (5)
(6)
(7) (8)
(9)
(11)
(4) (5)
(6)
(7) (8) (9)
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