Impreza WRX STI F4-2.5L DOHC Turbo (2007)
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Do not use a lateral type vise.
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Push the adjuster rod vertically.
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Press-in the push adjuster rod gradually taking three minutes or more.
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Do not allow press pressure to exceed 9,807 N (1,000 kgf, 2,205 lbf).
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Push in the adjuster rod to the end face of the cylinder. Do not push in the adjuster rod farther than the end face of the cylinder. Doing so may
damage the cylinder.
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Do not release the press pressure until stopper pin is completely inserted.
(1) Attach the automatic belt tension adjuster assembly to vertical pressing tool.
(2) Slowly move the adjuster rod down with a pressure of 165 N (16.8 kgf,37.1 lbf) 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 (nominal) dia. hex bar wrench inserted into the stopper pin hole in the cylinder, secure the
adjuster rod.
2) Install the automatic belt tension adjuster assembly.
3) Install the belt idler No. 2.