Hydraulic Control Unit (H/U) - Subaru Legacy 2002 Service Manual

3. Hydraulic Control Unit (H/U)

S402551
A: REMOVAL
S402551A18
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.
HYDRAULIC CONTROL UNIT (H/U)
S402551A1801
G6M0095
VDC-11
6) Remove nuts and bolt which secure hydraulic
unit bracket, and remove hydraulic unit from
engine compartment.
CAUTION:
¼ Hydraulic unit cannot be disassembled. Do
not attempt to loosen bolts and nuts.
¼ Do not drop or bump hydraulic unit.
¼ Do not turn the hydraulic unit upside down
or place it on its side.
¼ Be careful to prevent foreign particles from
getting into hydraulic unit.
¼ When a new hydraulic unit is installed, apply
a coat of rust-preventive wax (Nippeco LT or
GB) to bracket attaching bolt after tightening.
¼ Do not pull harness disconnecting harness
connector.
2. RELAY BOX
S402551A1802
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
remove relay box and connector bracket.
CAUTION:
Do not drop or bump relay box.
VDC
B4M1913
B4M1914