Hyundai Sonata 1991 Shop Manual page 421

1. Completely warm up the transaxle.
2. Raise the vehicle by using a jack so that the front wheels
can be rotated.
3.
Connect an engine tachometer and place it in a position
where it's easy to see.
4. Attach the special oil-pressure gauge
30
kg/cm
2
(09452-21500)
and the adaptor
(09452-21001)
to each
oil-pressure outlet port.
When the reverse pressure is to be tested, the
30
kg/cm
2
type of gauge should be used.
OIL PRESSURE TESTS
GENERAL
Y45CUIA
~~
~ 6 TOCq"e"ooverte~
pressure @ Front clutch'
'\ \ ------- pressure
\\ <D
Reducing pressure
~I
@ Kickdown brake
pressure
"
5. Measure the oil pressure under various conditions, and
check to be sure that the me3sured results are within the
standard value range shown in the "Standard oil pressure
table" below.
If the oil pressure is not within the specified range, check
and repair as described in the section "Remedial steps if oil
pressure is not normal" on the next page.
Standard Oil Pressure Table
Conditions Standard oil pressure KPa (psi)
No. (Reference) Engine
1 2 3 4 5 6
Selector lever Shift
Reducing Kickdown Front End clutch Low-reverse Torque-
position
,vehicle speed
speed
position
pressure brake clutch pressure brake converter
km/h (mph)
rpm
pressure pressure pressure pressure
1 N
o
(0)
Idling Neutral
363-480
(52-69)
- - -
-
*
2 0
o
(0) Idling 2nd gear
363-480 98-206
*
(52-69) (14-30)
-
-
-
3
0
110 (68)
Approx,
4th gear
363-480 813-882 813-882
392-588
- -
(SW-ON) 2,500 (52-69) (118-128) (118-128)
(56-84)
4
0
75 (47)
Approx.
3rd gear
363-480 813-882 813-882 813-882
392-588
(SW-OFF) 2,500
(52-69) (118-128) (118-128)
(118-128)
-
(56-84)
5
2 50 (31)
Approx.
2nd gear
363-480 813-882
392-588
2,500
(52-69) (118-128)
- - -
(56-84)
6 L
o
(0)
Approx.
1st gear
363-480 294-441
*
1,000 (52-69)
- - -
(43-63)
35 (22)
Approx. 1,607-2,195 1,607-2,195
2,500
363-480
(233-318) (233-318)
392-588
7
R Reverse
(52-69)
- -
0(0)
Approx. 1,470 (213)
1,470 (213) (56-84)
1,000
or more or more
NOTE:
- must be 9.8 kPa (1.4 psi) or less.
SWoON : Switch ON the overdrive control switch.
SW-OFF : Switch OFF the overdrive control switch.
*: : Hydraulic pressure is generated, but not the standard value.
45-32