Honda Prelude 1993 Service Manual page 673

Shock or vibration when wheel
turned to tull lock.
Assist (excessively light steering) at
high speed:
Steering kicks back during wide
turns.
Wheel will not return shoothlv.
Pump belt slipping on pulley
(pump stops momenlarily).
Adiust the belt tension (see page
17-74) or replace belt.
Set the power steering pressure
gauge. Close the shut-off valve
fully and measure the pump
p.essure (see page 17 781.
The pump pressure should be
7 , 0 0 0 8 , 0 0 0 k P a ( 7 0 8 0
k g / c m , , 9 9 5 - 1 , 1 3 8 p s i ) w i t h
needle fluctuation of t
5OO
k P a ( t 5 k g / c m , , a 7 0 p s i ) o r
l e s s . l l t h e n e e d l e f l u c t u a t i o n
exceeds :t 5O0 kPa (t
5
k g / c m ' , : t 7 0 p s i i c h e c k t h e
f l o w c o n t r o l v a l v e , o f t h e J l o w
c o n t r o l v a l v e i s O K , r e p l a c e
t h e p u m p .
Measure force required to turn
wheel with bypass tube joint
installed, and car parked on
dry paved surface (see page
1 7 - 8 0 ) .
l f b e l o w , c h e c k g a i n c o n
trol/pressure
control valves
a n d v a l v e b o d y u n i t a n d
replace parts as necessary.
Adjust the belt tension (see
page 17 74l' or replace belt.
Sticking gain control valve or
valve body unit.
Replace the gain control valve
or valve body unit.
Adjust the rack guide (see
p a g e 1 7 7 5 1 .
Rack guide adjusted too loose.
Readjust the front wheel align,
ment or replace parts as
necessary.
1 7 - 2 7