Turbo Model

Remove the radiator fan and air conditioner fan. < Ref. to RADIATOR MAIN FAN AND FAN MOTOR . > , < Ref. to RADIATOR SUB FAN AND FAN MOTOR . >
Protect the radiator with cardboard and blanket.
Remove the V-belts. < Ref. to V-BELT . >
Remove the air conditioning compressor drive belt tensioner.
Remove the pulley bolt. To lock the crankshaft use ST.
Except for STi model:

ST 499977400 CRANK PULLEY WRENCH STi model:

ST 499977100 CRANK PULLEY WRENCH

Fig 1: Removing Pulley Bolt Using Crank Pulley Wrench ST 499977100
Courtesy of SUBARU OF AMERICA, INC.
Remove the crank pulley.
Remove the air conditioning compressor drive belt tensioner.
Remove the belt cover (LH).
Remove the belt cover (RH).
Remove the front belt cover.
Remove the timing belt guide. (MT model)

Fig 2: Removing Timing Belt Guide (MT Model)(1 Of 4)
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Fig 3: Removing Timing Belt Guide (MT Model)(2 Of 4)
Courtesy of SUBARU OF AMERICA, INC.

Fig 4: Removing Timing Belt Guide (MT Model)(3 Of 4)
Courtesy of SUBARU OF AMERICA, INC.

Fig 5: Removing Timing Belt Guide (MT Model)(4 Of 4)
Courtesy of SUBARU OF AMERICA, INC.
Turn the crankshaft and align alignment marks on crankshaft, and right and left cam sprockets with notches of belt cover and cylinder block. To turn the crankshaft, use ST.
ST 499987500 CRANKSHAFT SOCKET

Fig 6: Align Alignment Marks Crankshaft Using Crankshaft Socket (ST 499987500)
Courtesy of SUBARU OF AMERICA, INC.
Remove the belt idler.

Fig 7: Removing Belt Idler
Courtesy of SUBARU OF AMERICA, INC.
Remove the timing belt.
Remove the automatic belt tension adjuster assembly.

Fig 8: Removing Automatic Belt Tension Adjuster Assembly
Courtesy of SUBARU OF AMERICA, INC.
Install in the reverse order of removal. < Ref. to TIMING BELT . >
CAUTION: When installing the timing belt, be sure to align all alignment marks on the belt with corresponding marks on the sprockets. If incorrectly installed, interference between pistons and valves may occur.