Impreza 2.5 RS Coupe AWD F4-2.5L SOHC (2001)
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When connecting hoses or pipes, use 2 wrenches (a torque wrench for tightening). While securing one side with a wrench, tighten the other
side to the specified torque with a torque wrench. If only one wrench is used to tighten, the tightening torque will be excessive or insufficient.
This may cause a pipe distortion or gas leak, resulting in damage to hoses and pipes.
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After tightening, using a clean shop towel to remove excess oil from the connections and any oil which may have run on the vehicle body or
other parts.
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If any leakage is suspected after tightening, do not retighten the connections, Disconnect the connections, remove the O-rings, and check the
O-rings, threads, and connections.