Acura RL (1996-2004 year). Manual — part 484
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18. Remove the cylinder end seal from the steering
rack.
20. Insert a 24" long 3/8" drive extension into the cylin-
der and the special tool from the gearbox side.
CAUTION: Be careful not to damage the inside sur-
face of the cylinder wall with the tools.
21. Set the gearbox housing in a press, then press out
the cylinder end seal and backup ring from the
gearbox housing.
CAUTION:
• Keep the tool straight to avoid damaging the
cylinder wall. Check the tool angle, and correct it
if necessary, when removing the cylinder end
seal.
• Use a press to remove the cylinder end seal. Do
not try to remove the seal by striking the tool. It
will break the backup ring, and the cylinder end
seal will remain in the gearbox housing.
19. Turn the special tool so it will fit through the end of
the gearbox housing, then position special tool on
the backup ring as shown below.
NOTE: Make sure that the special tool is securely
positioned on the backup ring edges.
CYLINDER END
SEAL REMOVER
ATTACHMENT
CYLINDER END SEAL
REMOVER ATTACHMENT
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Disassembly (cont'd)
22. Check the rubber stop for damage or deterioration;
if OK, go on step 23; if not, replace the rubber stop
as shown below:
Remove the rubber stop by prying it out of the gear-
box housing with a flat tip screwdriver.
CAUTION: Protect the pry point on the gearbox
housing with shop towel.
Valve Body Unit Disassembly
Valve body unit:
24. Remove the pinion dust cover.
Power Steering Gearbox
25. Before removing the valve housing, apply vinyl tape
to splines of the pinion shaft.
26. Separate the valve housing from the pinion shaft/
valve using a press.
23. Carefully pry the piston seal ring and O-ring off the
rack piston.
CAUTION: Be careful not to damage the inside of
seal ring groove and piston edges when removing
the seal ring.
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27. Check the inner wall of the valve housing where the
seal ring slides with your finger. If there is a step in
the wall, the valve housing is worn. Replace the
valve housing.
NOTE:
• There may be the sliding marks from the seal
ring on the wall of the valve housing. Replace
the valve housing only if the wall is stepped.
• '96 - 98 model only; when the valve housing is
replaced, install new 44 mm shim(s) on the bear-
ing surface of the housing to adjust the thick-
ness.
29. Remove the snap ring and pinion shaft sleeve from
the pinion shaft.
30. Using a cutter or an equivalent tool, cut and remove
the five seal rings from the sleeve.
CAUTION: Be careful not to damage the edges of
the sleeve grooves and outer surface when remov-
ing the seal rings.
28. Check for wear, burrs and other damage to the
edges of the grooves in the sleeve.
NOTE: The pinion shaft and sleeve are a precision
matched set. If either the pinion shaft or sleeve
must be replaced, replace both parts as a set.
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Power Steering Gearbox
Disassembly (cont'd)
31. Using a cutter or an equivalent tool, cut the valve
seal ring and O-ring at the groove the pinion shaft.
Remove the valve seal ring and O-ring.
CAUTION: Be careful not to damage the edges of
the pinion shaft groove and outer surface when
removing the valve seal ring and O-ring.
33. Press the valve oil seal and roller bearing out of the
valve housing using a hydraulic press and the spe-
cial tool shown below.
PILOT COLLAR
32. Remove the valve oil seal and backup ring ('96 - 98
models) or wave washer ('99 - 01 models) from the
pinion shaft.
NOTE:
• Inspect the ball bearing by rotating the outer
race slowly. If there is any excessive play, re-
place the pinion shaft and sleeve as an assem-
bly.
• The pinion shaft and sleeve are a precise fit; do not
intermix old and new pinion shafts and sleeves.
Assist control valve unit:
34. Remove the cap from the valve body.
35. Remove the cap seal from the cap.
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