Impreza RS Coupe AWD F4-2.5L SOHC (1999)
8. Remove ABSCM&H/U from engine compartment.
CAUTION:
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ABSCM&H/U cannot be disassembled. Do not attempt to loosen bolts and nuts.
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Do not drop or bump ABSCM&H/U.
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Do not turn the ABSCM&H/U upside down or place it on its side.
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Be careful to prevent foreign particles from getting into ABSCM&H/U.
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Apply a coat of rust-preventive wax (Nippeco LT or GB) to bracket attaching bolt after tightening.
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Do not pull harness disconnecting harness connector.
INSPECTION
1. Check connected and fixed condition of connector.
2. Check specifications of the mark with ABSCM&H/U.
CHECKING THE HYDRAULIC UNIT ABS OPERATION
Checking The Hydraulic Unit ABS Operation By Pressure Gauge
1. Lift-up vehicle and remove wheels.
2. Disconnect the air bleeder screws from the FL and FR caliper bodies.
3. Connect two pressure gauges to the FL and FR caliper bodies.
CAUTION:
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Pressure gauges used exclusively for brake fluid must be used.
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Do not employ pressure gauge previously used for transmission since the piston seal is expanded which may lead to malfunction of the brake.
