Subaru Legacy III (2000-2003 year). Manual - part 16

PM-14

PERIODIC MAINTENANCE SERVICES

DRIVE BELT(S)

3) Install in the reverse order of removal.

(A) Power steering oil pump

(B) Belt tension adjuster

(C) Crankshaft pulley

(D) A/C compressor

(E) Belt idler

(F) Generator

PM-00119

( A )

( B )

( C )

( D )

( E )

( F )

PM-15

PERIODIC MAINTENANCE SERVICES

CAMSHAFT DRIVE BELT

7. Camshaft Drive Belt

A: REPLACEMENT

1. NON-TURBO MODEL

1) Remove radiator fan. 
<Ref. to CO(H4SO)-28, Radiator Main Fan and
Fan Motor.> and <Ref. to CO(H4SO)-30, Radiator
Sub Fan and Fan Motor.>
2) Remove V-belt cover.

3) Remove V-belts.
<Ref. to ME(H4SO)-41, V-belt.> 
4) Remove air conditioning compressor drive belt
tensioner.
5) Remove pulley bolt. To lock crankshaft use ST.
2.0 L model:
ST

499977400

CRANKSHAFT PULLEY 
WRENCH

2.5 L model:
ST

499977100

CRANKSHAFT PULLEY 
WRENCH

6) Remove crankshaft pulley.
7) Remove left side belt cover.
8) Remove front belt cover.

9) Remove timing belt guide. (MT vehicle only)

10) Turn crankshaft and align alignment marks on
crankshaft, and left and right camshaft sprockets
with notches of belt cover and cylinder block:
ST

499987500

CRANKSHAFT SOCKET

11) Remove belt idler.
12) Remove belt idler (No. 2).

PM-00115

PM-00120

ST

(A) Notch

(B) Alignment mark

PM-00008

PM-00121

( A )

( A )

( B )

( B )

( B )

PM-00122

PM-16

PERIODIC MAINTENANCE SERVICES

CAMSHAFT DRIVE BELT

13) Remove timing belt.
14) Remove automatic belt tension adjuster as-
sembly.

15) Install in the reverse order of removal.
 <Ref. to ME(H4SO)-46, Timing Belt Assembly.>

2. TURBO MODEL

1) Remove the radiator fan and air conditioner fan.
 <Ref. to CO(H4DOSTC)-28, Radiator Main Fan
and Fan Motor.>
 <Ref. to CO(H4DOSTC)-30, Radiator Sub Fan
and Fan Motor.>
2) Remove the V-belts. <Ref. to ME(H4DOSTC)-
42, V-belt.>
3) Remove the air conditioning compressor drive
belt tensioner.
4) Remove the pulley bolt. To lock the crankshaft
use ST.
MT model:
ST

499977100

CRANKSHAFT PULLEY 
WRENCH

AT model:
ST

499977400

CRANKSHAFT PULLEY 
WRENCH

5) Remove the crankshaft pulley.
6) Remove the air conditioning compressor drive
belt tensioner.
7) Remove the left side belt cover.
8) Remove the right side belt cover.
9) Remove the front belt cover.

10) Remove timing belt guide. (MT vehicle only)

11) Turn the crankshaft and align the alignment
marks on crankshaft, and left and right camshaft
sprockets with notches of belt cover and cylinder
block. To turn the crankshaft, use ST:
ST

499987500

CRANKSHAFT SOCKET

12) Remove the belt idler.

PM-00123

ST

PM-00093

(A) Notch

(B) Alignment mark

PM-00008

PM-00094

( A )

( A )

( A )

( A )

( B )

( B )

( B )

( B )

( B )

( B )

( B )

PM-00095

PM-17

PERIODIC MAINTENANCE SERVICES

CAMSHAFT DRIVE BELT

13) Remove the timing belt.
14) Remove the automatic belt tension adjuster as-
sembly.

15) Install in the reverse order of removal.
<Ref. to ME(H4DOSTC)-47, Timing Belt Assem-
bly.>

B: INSPECTION

1. NON-TURBO MODEL

1) Remove front timing belt cover and timing belt
cover (LH).
2) While cranking engine at least four rotations,
check timing belt back surface for cracks or dam-
age. Replace faulty timing belt as needed.
3) Measure timing belt width W. If it is less than 27
mm (1.06 in), check idlers, tensioner, water pump
pulley and cam sprocket to determine idler align-
ment (squareness). Replace worn timing belt.

4) Install front timing belt cover and timing belt cov-
er (LH).

2. TURBO MODEL

1) Remove the left and right timing belt covers.
2) While cranking the engine at least four rotations,
check the timing belt back surface for cracks or
damage. Replace the faulty timing belt as needed.
3) Measure the timing belt width W. If it is less than
30 mm (1.18 in), check the idlers, tensioner, water
pump pulley and cam sprocket to determine idler
alignment (squareness). Replace the worn timing
belt.

4) Install the left and right timing belt covers.

PM-00096

PM-00124

W

W

PM-00097