Subaru 2009 IMPREZA, Service Manual

Page: 268 / 3619

ME(H4SO)-50
Timing Belt
MECHANICAL
6) Remove the belt idler (A).
7) Remove the belt idler No. 2 (B).
8) Remove the timing belt.
2. BELT IDLER AND AUTOMATIC BELT
TENSION ADJUSTER ASSEMBLY
1) Remove the belt idler.
2) Remove the automatic belt tension adjuster as-
sembly.
B: INSTALLATION
1. AUTOMATIC BELT TENSION ADJUSTER
ASSEMBLY AND BELT IDLER
1) Prepare for installation of the automatic belt ten-
sion adjuster assembly.
CAUTION:
• Always use a vertical type pressing tool to
move the adjuster rod down.
• Do not use a lateral type vise.
• Push the adjuster rod vertically.
• Press-in the push adjuster rod gradually tak-
ing three minutes or more.
• Do not allow press pressure to exceed 9,807 N
(1,000 kgf, 2,205 lb).
• Push in the adjuster rod to the end face of the
cylinder. However, do not push in the adjuster
rod below the end face of the cylinder. Doing so
may damage the cylinder.
• Do not release the press pressure until stop-
per pin is completely inserted.
(1) Attach the automatic belt tension adjuster
assembly to vertical pressing tool.
(2) Slowly push in the adjuster rod with a pres-
sure of 165 N (16.8 kgf, 37.1 lb) or more until
the adjuster rod is aligned with the stopper pin
hole in the cylinder.
(3) With a 2 mm (0.08 in) dia. stopper pin or a
2 mm (0.08 in) (nominal) dia. hex wrench in-
serted into the stopper pin hole in cylinder, se-
cure the adjuster rod.
ME-02968
(B)
(A)
ME-00236
ME-03449
ME-00238
ME-00239
ME-00350