Hydraulic Control Unit (H/U) - Subaru LEGACY 2003 Service Manual

VDC

3. Hydraulic Control Unit (H/U)

A: REMOVAL
1. HYDRAULIC UNIT (H/U)
1) Disconnect ground cable from battery.
2) Remove air intake duct from engine compart-
ment to facilitate removal of hydraulic unit.
3) Disconnect connector from hydraulic unit.
CAUTION:
Be careful not to let water or other foreign mat-
ter contact the H/U terminal.
4) Unlock cable clip.
5) Disconnect brake pipes from hydraulic unit.
CAUTION:
Wrap brake pipes with vinyl bag to avoid spill-
ing brake fluid on vehicle body.
6) Remove nuts and bolt which secure hydraulic
unit bracket, and remove hydraulic unit from engine
compartment.
CAUTION:
• Hydraulic unit cannot be disassembled. Do
not attempt to loosen bolts and nuts.
• Do not drop or bump hydraulic unit.
• Do not turn the hydraulic unit upside down or
place it on its side.
• Be careful to prevent foreign particles from
getting into hydraulic unit.
• When a new hydraulic unit is installed, apply
a coat of rust-preventive wax (Nippeco LT or
GB) to bracket attaching bolt after tightening.
• Do not pull harness disconnecting harness
connector.
HYDRAULIC CONTROL UNIT (H/U)
FU-00009
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2. RELAY BOX
1) Disconnect ground cable from battery.
2) Remove air intake duct from engine compart-
ment to facilitate removal of relay box.
3) Disconnect connector from relay box.
4) Unlock cable clip.
5) Remove nuts which secure relay box, and re-
move relay box and connector bracket.
CAUTION:
Do not drop or bump relay box.
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