Subaru Legacy IV (2008 year). Manual — part 19

PM-16

Spark Plug

PERIODIC MAINTENANCE SERVICES

7) Remove the spark plug with a spark plug socket.

8) Install in the reverse order of removal.

Recommended spark plug:

<Ref. to SPC-3, ELECTRICAL, LEGACY.>

Tightening torque (Spark plug):

21 N·m (2.1 kgf-m, 15.5 ft-lb)

Tightening torque (Ignition coil):

16 N·m (1.6 kgf-m, 11.7 ft-lb)

• LH side

1) Remove the collector cover and the engine side
cover.
2) Remove the battery and battery carrier.
3) Remove the bracket (A).
4) Disconnect the connector (B) from ignition coil.

5) Remove the ignition coil.

NOTE:
Turn the #6 ignition coil to remove it.
6) Remove the spark plug with a spark plug socket.

7) Install in the reverse order of removal.

Recommended spark plug:

<Ref. to SPC-3, ELECTRICAL, LEGACY.>

Tightening torque (Spark plug):

21 N·m (2.1 kgf-m, 15.5 ft-lb)

Tightening torque (Ignition coil):

16 N·m (1.6 kgf-m, 11.8 ft-lb)

(A) Ratchet handle

(B) Extension bar

(C) Universal joint

(D) Spark plug socket

IG-02005

(D)

(C)

(B)

(B)

(A)

IG-02011

IG-02006

(A)

(B)

(A) Ratchet handle

(B) Extension bar

(C) Universal joint

(D) Spark plug socket

IG-02007

(D)

(C)

(B)

(B)

(A)

IG-02011

PM-17

V-belt

PERIODIC MAINTENANCE SERVICES

6. V-belt

A: INSPECTION

1. 2.5 L NON-TURBO AND 2.5 L TURBO
MODEL

1) Replace the belts if cracks, fraying or wear are
found.
2) Check the V-belt tension and adjust it if neces-
sary by changing the generator installing position
or idler pulley installing position. <Ref. to PM-18,
REPLACEMENT, V-belt.>

Belt tension (without belt tension gauge):

(A)

When installing new part: 7 — 9 mm
(0.276 — 0.354 in)
At inspection: 9 — 11 mm
(0.354 — 0.433 in)

(B)

When installing new part: 7.5 — 8.5 mm
(0.295 — 0.335 in)
At inspection: 9.0 — 10.0 mm
(0.354 — 0.394 in)

Belt tension (with belt tension gauge):

(A)

When installing new part: 640 — 785 N
(65.3 — 80.0 kgf, 144 — 176 lbf)
At inspection: 490 — 640 N
(50 — 65 kgf, 110 — 144 lbf)

(B)

When installing new part: 620 — 760 N
(63 — 77 kgf, 140 — 170 lbf)
At inspection: 350 — 450 N
(36 — 46 kgf, 79 — 101 lbf)

(A) Front side belt

(B) Rear side belt

C/P Crank pulley

GEN Generator

P/S Power steering oil pump pulley

A/C A/C compressor pulley

I/P Idler pulley

C/P

P/S

A/C

GEN

(A) (B)

(C)

I/P

PM-00002

(A) Front side belt

(B) Rear side belt

C/P Crank pulley

GEN Generator

P/S Power steering oil pump pulley

A/C A/C compressor pulley

I/P Idler pulley

C/P

P/S

A/C

GEN

(A)

(B)

I/P

PM-00154

PM-18

V-belt

PERIODIC MAINTENANCE SERVICES

2. 3.0 L MODEL

1) Replace the belts if cracks, fraying or wear are
found.
2) Check that the V-belt automatic belt tensioner in-
dicator (A) is within the range (D).

B: REPLACEMENT

1. FRONT SIDE BELT (FOR POWER
STEERING OIL PUMP AND GENERATOR)

NOTE:
Wipe off any oil and water on the belt and pulley.
1) Remove the collector cover. (If equipped)
2) Remove the V-belt covers.
• 2.5 L non-turbo model

• 2.5 L turbo model

3) Loosen the lock bolt (A).
4) Loosen the slider bolt (B).
5) Remove the front side belt (C).
6) Install a new V-belt, and tighten the slider bolt so
as to obtain the specified belt tension.
7) Tighten the lock bolt (A).
8) Tighten the slider bolt (B).

Tightening torque:

Lock bolt

25 N·m (2.5 kgf-m, 18.4 ft-lb)

Slider bolt

8 N·m (0.8 kgf-m, 5.8 ft-lb)

(A) Indicator

(B) Generator

(C) Power steering oil pump

(D) Service limit

(B)

(A)

(D)

(C)

ME-00475

ME-03945

ME-00807

PM-00004

(B)

(C)

(A)

PM-19

V-belt

PERIODIC MAINTENANCE SERVICES

2. REAR SIDE BELT (FOR A/C)

NOTE:
Wipe off any oil and water on the belt and pulley.
1) Remove the front side belts.
2) Loosen the lock nut (A).
3) Loosen the slider bolt (B).
4) Remove the rear side belt.
5) Install a new V-belt, and tighten the slider bolt so
as to obtain the specified belt tension.
6) Tighten the lock nut (A).

Tightening torque:

23 N·m (2.3 kgf-m, 17.0 ft-lb)

7) Install the front side belt.
• 2.5 L non-turbo model <Ref. to ME(H4SO)-39,
FRONT SIDE BELT, INSTALLATION, V-belt.>
• 2.5 L turbo model <Ref. to ME(H4DOTC)-42,
FRONT SIDE BELT, INSTALLATION, V-belt.>

3. 3.0 L MODEL

1) Fit the tool to the belt tensioner mounting bolt.
2) Turn the tool clockwise, and loosen the V-belt to
remove.

3) Remove the V-belt cover.

4) Install in the reverse order of removal.

(A)

(B)

PM-00005

ME-00473

(1) Power steering oil pump

(2) Belt tension adjuster

(3) Crank pulley

(4) A/C compressor

(5) Belt idler

(6) Generator

(1)

(6)

(4)

(5)

(2)

(3)

ME-00474