Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. 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-

LATION, Starter.>

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-

PONENT, General Description.>

(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,

V-belt.>

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,

Joint Pipe.>

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

Pipe.>

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-

LATION, Hose and Pipe.>

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,

INSTALLATION, Intercooler.>

22) Install  the  radiator.  <Ref.  to  CO(w/o  STI)-20,

INSTALLATION, Radiator.>

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-

TION, Air Intake Duct.>

25) Install  the  battery.  <Ref.  to  SC(STI)-27,  IN-

STALLATION, Battery.>

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-

MENT, Engine Coolant.>

27) Charge the A/C system with refrigerant. <Ref.

to  AC-20,  PROCEDURE,  Refrigerant  Charging

Procedure.>

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,

REMOVAL, Front Crossmember.>

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.