Impreza WRX F4-2.0L DOHC Turbo (2004)
1. Install the water pump onto cylinder block (LH).
NOTE:
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Replace the gasket with a new one.
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When installing the water pump, tighten bolts in two stages in alphabetical sequence as shown in the figure.
2. Connect the hose to water pump.
3. Install the tensioner bracket.