Subaru Impreza 2003, Service Manual

Page: 2659 / 3610

PS-35
POWER ASSISTED SYSTEM (POWER STEERING)
STEERING GEARBOX [LHD MODEL]
D: ASSEMBLY
1. RACK HOUSING ASSEMBLY
CAUTION:
Use only SUBARU genuine grease for the gear-
box.
Specified grease for gearbox:
VALIANT GREASE M2 (Part No. 003608001)
1) Apply power steering fluid to a new oil seal.
2) Install the oil seal in correct position as shown in
the figure. Push the oil seal using a press until por-
tion A of ST contacts face of B.
ST
34099FA110 INSTALLER
CAUTION:
Be careful not to damage or scratch the cylin-
der inner wall.
3) Fix the rack housing in vise using ST.
ST
926200000 STAND
NOTE:
• When fixing the rack housing in vise, be sure to
use this special tool. Do not fix rack housing in vise
using pad such as aluminum plates, etc.
• When using the old rack housing, be sure to
clean and remove rust before assembling. Check
pinion housing bushing carefully.
4) Fit the ST over toothed portion of rack assembly,
and check for binding or unsmooth insertion. If any
deformation is noted on flats at the end of rack,
shape by using file, and wash with cleaning fluid.
ST 926390001 COVER & REMOVER
5) Apply genuine grease to the teeth of thoroughly
washed rack assembly, and then fit the ST over the
toothed portion.
CAUTION:
• Be careful not to block the air passage with
grease. Remove excessive grease.
• After fitting cover, check the air passage hole
for clogging. If clogged, open by removing
grease from the hole.
6) Before inserting the rack assembly, apply a coat
of specified power steering fluid to the surfaces of
ST and rack piston.
7) Insert the rack assembly into rack housing from
cylinder side, and then remove the ST after it has
passed completely through oil seal.
8) Fit the ST1 and ST2 over the end of rack, and
then install a new rack bushing.
ST1
926400000 GUIDE
ST2 927660000 GUIDE
CAUTION:
• If burrs or nicks are found on this guide and
rack shaft portion, remove by filing.
• Dip the rack bushing in specified power
steering fluid before installing, and pay atten-
tion not to damage O-ring and oil seal.
(1) Press
(2) Oil seal
PS-00158
(1)
(2)
A
B
ST
(1) Rack assembly
(1) Rack bushing assembly
(1)
PS-00161
ST
(1)
PS-00162
ST1 ST2