Forester S F4-2.5L DOHC (1998)
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Turn off engine, and set the vacuum gauge reading at "0". Then, check the fluid pressure when brake pedal is depressed. The pressure must be
greater than the standard value listed below.
BOOSTING ACTION CHECK
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Set the vacuum gauge reading at 66.7 kPa (500 mm Hg, 19.69 inch Hg) by running engine. Then, check the fluid pressure when brake pedal is
depressed. The pressure must be greater than the standard value listed.