Outback F4-2.5L (2008)
4) Operate the brake tester.
5) Perform VDC sequence control.
6) When the hydraulic unit begins to work, check the following work sequence.
1) The FL wheel performs compression, hold and decompression in sequence, and subsequently the FR wheel repeats the cycle.
2) The RR wheel performs compression, hold and decompression in sequence, and subsequently the RL wheel repeats the cycle.
7) Read values indicated on the brake tester and check if the fluctuation of the values between decompression and compression meets specification.
8) After the inspection, depress the brake pedal and check that it is not abnormally hard, and tightness is normal.
REPLACEMENT
CAUTION:
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Because the pressure sensor built into the H/U is easily damaged by static electricity, start the operation after performing static electricity
measures.
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Be careful not to touch the sensors in the H/U to prevent damage.
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Because the seal of the VDCCM cannot be replaced, do not pull or peel it by lifting it up.
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Because the screw of the H/U will become slightly worn in every replacement procedure, 5 times is the maximum number of times for
replacement. If a problem is found such as not being able to torque the screw to specifications even before 5 replacement operations are
performed, replace the H/U body.
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When installing the VDCCM, always use new screws.
^
When the sealing surface of the VDCCM or H/U is dirty or damaged and it cannot be cleaned or repaired, replace with a new part.
1) Remove the VDCCM & H/U.
2) To prevent entry of foreign objects and brake fluid leakage, plug the oil pressure port of the VDCCM & H/U using a screw plug, etc.
3) Set the pump motor section of the removed VDCCM & H/U face down on a vise.
NOTE: Before securing a part in a vise, place cushioning material such as wood blocks, aluminum plate or cloth between the part and the vise.
