Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 163
ME(w/o STI)-33
Engine Assembly
MECHANICAL
B: INSTALLATION
1) Install the engine mounting onto the engine.
Tightening torque:
35 N·m (3.6 kgf-m, 25.8 ft-lb)
2) Apply a small amount of grease to splines of
main shaft.
Grease:
NICHIMOLY N-130 or equivalent
3) Position the engine in engine compartment and
align it with transmission.
NOTE:
Be careful not to damage adjacent parts or body
panels with crank pulley, oil level gauge, etc.
4) Install the bolts which hold upper side of trans-
mission to engine.
Tightening torque:
50 N·m (5.1 kgf-m, 36.9 ft-lb)
5) Remove the lifting device and wire ropes.
6) Remove the garage jack.
7) Install the pitching stopper.
Tightening torque:
T1: 50 N·m (5.1 kgf-m, 36.9 ft-lb)
T2: 58 N·m (5.9 kgf-m, 42.8 ft-lb)
8) Install the starter. <Ref. to SC(STI)-8, INSTAL-
9) Install the power steering pump.
(1) Install the power steering pump onto the en-
gine.
Tightening torque:
Refer to “COMPONENT” of “Power Steering”
for the tightening torque. <Ref. to PS-4, COM-
(2) Connect the connector to the power steering
pump switch.
(3) Install the front side belt. <Ref. to ME(w/o
STI)-38, FRONT SIDE BELT, INSTALLATION,
10) Lift up the vehicle.
MT-01524
LU-00222
ME-04972
T1
T2
ME-03617
FU-04598
ME(w/o STI)-34
Engine Assembly
MECHANICAL
11) Install the bolts and nuts which hold lower side
of the transmission to engine.
Tightening torque:
50 N·m (5.1 kgf-m, 36.9 ft-lb)
12) Install the nuts which hold the engine mounting
to the crossmember.
NOTE:
Make sure that the engine mounting nuts (A) and
locator (B) are securely installed.
Tightening torque:
45 N·m (4.6 kgf-m, 33.2 ft-lb)
13) Connect the ground cable.
Tightening torque:
7.5 N·m (0.8 kgf-m, 5.5 ft-lb)
14) Install the joint pipe and front exhaust pipe.
<Ref. to EX(STI)-6, INSTALLATION, Front Ex-
haust Pipe.> <Ref. to EX(STI)-12, INSTALLATION,
15) Install the turbocharger. <Ref. to IN(w/o STI)-
15, INSTALLATION, Turbocharger.>
16) Install the center exhaust pipe. <Ref. to
EX(STI)-9, INSTALLATION, Center Exhaust
17) Connect the following hoses.
(1) Fuel delivery hose, fuel return hose and
evaporation hose
(2) Heater inlet hose and heater outlet hose
(3) Brake booster vacuum hose
(4) A/C pressure hose <Ref. to AC-41, INSTAL-
18) Secure the generator cord using the clip (B)
and connect the connector (A) to A/C compressor.
19) Connect the following connectors and termi-
nals.
(1) Generator connector and terminal
Tightening torque:
15 N·m (1.5 kgf-m, 11.1 ft-lb)
(2) Secondary air pump connector
20) Install the engine harness connector to engine
harness bracket, then connect the bulkhead har-
ness connector to the engine harness connector.
21) Install the intercooler. <Ref. to IN(w/o STI)-12,
22) Install the radiator. <Ref. to CO(w/o STI)-20,
23) Install the coolant filler tank. <Ref. to CO(w/o
STI)-28, INSTALLATION, Coolant Filler Tank.>
24) Install the air cleaner case and air intake duct.
<Ref. to IN(w/o STI)-8, INSTALLATION, Air Clean-
er Case.> <Ref. to IN(w/o STI)-10, INSTALLA-
25) Install the battery. <Ref. to SC(STI)-27, IN-
MT-00077
ME-03704
(A) (B)
(B) (A)
ME-03702
ME-04967
(B)
(A)
(B)
FU-06604
ME(w/o STI)-35
Engine Assembly
MECHANICAL
26) Fill engine coolant. <Ref. to CO(w/o STI)-13,
FILLING OF ENGINE COOLANT, REPLACE-
27) Charge the A/C system with refrigerant. <Ref.
to AC-20, PROCEDURE, Refrigerant Charging
28) Install the V-belt cover.
Tightening torque:
13 N·m (1.3 kgf-m, 9.6 ft-lb)
29) Change the bolt installation position from (B) to
(A), then close the front hood.
Tightening torque:
7.5 N·m (0.8 kgf-m, 5.5 ft-lb)
C: INSPECTION
1) Check that pipes, hoses, connectors and clamps
are installed firmly.
2) Check the engine coolant is at specified level.
3) Start the engine and check for exhaust gas, en-
gine coolant, leaks of fuel, etc. Also check for noise
and vibrations.
ME-03386
ME-03387
(A)
(B)
(A)
(B)
ME(w/o STI)-36
Engine Mounting
MECHANICAL
10.Engine Mounting
A: REMOVAL
1) Remove the front crossmember. <Ref. to FS-27,
2) Remove the engine mounting from the engine.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
35 N·m (3.6 kgf-m, 25.8 ft-lb)
C: INSPECTION
Make sure that there are no cracks or other damag-
es.
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