Acura 3.5 RL Manual page 737

Power Steering Gearbox
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.
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.
Valve Body Unit Disassembly
Valve body unit:
24. Remove the pinion dust cover.
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.