Chrysler laser 1990 Technical Information Manual page 217

19-8
POWER STEERING - Pinion and Valve Assembly Construction
WHEN THE STEERING IS AT THE CENTER POSI-
TION
Because the input shaft does not rotate, the
position is the center (neutral) position relative to
the rotary valve, and the fluid supplied from the oil
pump flows through sleeve "a", port "a", port "d"
From
oil pump
To the left
cylinder tube
right chamber
and chamber "A", returning to the oil reservoir.
Note that the power assist is not activated, because
no pressure difference develops in the left and right
cylinder tube chambers.
Oil pump
Chamber "A"
Oil reservoir