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Troubleshooting
General Troubleshooting
Check the following before you begin:
o Has the suspension been modified in a way that would affect steering?
. Are tire sizes and air pressure correct?
. lsthe steering wheel original equipment or equivalent?
.
ls the power steering pump belt properly adiusted?
. ls steering fluid reservoirtilled to proper level?
. ls the engine idle speed correct and steadyT
Hard steering (check the power assist, see page 17-18. It the torce is over 34 N (3.5 kgf, 7 7 lbf), proceed with this troubl*hooting l
Abnormalfluid
pressur€ (lluid
pressure rs roo
hish)
Too low relief
press{ire
Normal line and hos6
I
I
I
i
Faulty valve body unit
Normal
Abnormal
r
l
r
l
l
{
Faulty pump assembly
Faulty tlow control valv6
C h € c k t h e t e g d a n d r e t u r n c i r c u i t l i n e s a n d h o s o
between the gearbox and pump for clogging and
detormation.
Check pump fluid Pressuro {ses
page 17'221.
Mgasure stoady-stat€ fluid Pres_
s u r e w h i l e i d l i n g w i t h t h e b o t h
valv6Iully opon.
I t s h o u l d b e 1 , 5 0 0 k P a ( 1 5 k g f /
cm,,213 psi) or below.
Normal
Check the flow control valve (seo page 17-37).
. Check the valvs Ior smooth movemont in the hous-
Ing.
. Check tho reliel valvo for leaks.
Measure pump reliet prgssure
while idling with the both vslve
Iully closed.
It should b€ 6,400 - 7,400 kPa {65
- 75 kgt/cm', 924 - 1,067 psi)
Normal reliel pressure
I
I
+
Go to pags 17-11
1 7- 10
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Table of Contents
Troubleshooting
