Subaru Legacy (2005 year). Manual - part 386

ME(H6DO)-19

MECHANICAL

General Description

499977100

CRANK PULLEY 
WRENCH

Used for stopping rotation of crank pulley when 
loosening / tightening crank pulley bolt.

18252AA000

CRANKSHAFT 
SOCKET

Used for rotating crankshaft.

498547000

OIL FILTER 
WRENCH

Used for removing and installing oil filter.

18482AA000

(Newly adopted tool)

CARTRIDGE

Troubleshooting for electrical system.

ILLUSTRATION

TOOL NUMBER

DESCRIPTION

REMARKS

ST-499977100

ST18252AA000

ST-498547000

ST18482AA000

ME(H6DO)-20

MECHANICAL

General Description

2. GENERAL TOOL

22771AA030

SUBARU SELECT 
MONITOR KIT

Troubleshooting for electrical system.
• English: 22771AA030 (Without printer)
• German: 22771AA070 (Without printer)
• French: 22771AA080 (Without printer)
• Spanish: 22771AA090 (Without printer)

18233AA000

PISTON PIN SNAP 
RING PLIERS

Used for removing and installing snap ring of pis-
ton pin.

498277200

STOPPER SET

Used for installing automatic transmission 
assembly to engine.

499057000

TORX PLUS

®

Used for removing and installing drive plate of 
flywheel (dual mass flywheel type).

TOOL NAME

REMARKS

Compression gauge

Used for measuring compression.

ILLUSTRATION

TOOL NUMBER

DESCRIPTION

REMARKS

ST22771AA030

ST18233AA000

ST-498277200

ST-499057000

ME(H6DO)-21

MECHANICAL

General Description

E: PROCEDURE

It is possible to conduct the following service procedures with engine on the vehicle, however, the procedures
described in this section are based on the condition that the engine is removed from the vehicle.
• Camshaft
• Cylinder head

ME(H6DO)-22

MECHANICAL

Compression

2. Compression

A: INSPECTION

CAUTION:
After warming-up, engine becomes very hot. Be 
careful not to burn yourself during measure-
ment.
1) After warming-up the engine, turn the ignition
switch to OFF.
2) Make sure that the battery is fully charged.
3) Release the fuel pressure.
<Ref. to FU(H6DO)-39, RELEASING OF FUEL
PRESSURE, PROCEDURE, Fuel.>
4) Remove all the spark plugs. <Ref. to IG(H6DO)-
4, REMOVAL, Spark Plug.>
5) Check the starter motor for satisfactory perfor-
mance and operation.
6) Hold the compression gauge tightly against the
spark plug hole.

NOTE:
When using a screw-in type compression gauge,
the screw (put into cylinder head spark plug hole)
should be less than 18 mm (0.71 in) long.
7) Fully open the throttle valve.
8) Crank the engine by means of the starter motor,
and read the maximum value on the gauge when
the gauge needle is steady.

9) Perform at least two measurements per cylinder,
and make sure that the values are correct.

Compression (350 rpm and fully opened throt-
tle):

Standard

1,275 — 1,471 kPa (13.0 — 15.0 kgf/cm

2

, 

185 — 213 psi)

Limit

1,128 kPa (11.5 kgf/cm

2

, 164 psi)

ME-00446