Hyundai Sonata 1991 Shop Manual page 100

OIL PRESSURE SWITCH AND SENDER ASSY
OIL PRESSURE SWITCH AND SENDER
ASSY
Y20PAOA
INSPECTION
Oil Pressure Switch
1. If "OIL PRESSURE" indicating lamp lights when ignition
switch is set to "ON" and goes out when engine is started
and runs at idle, then everything is in order. If "OIL PRES-
SURE" lamp does not light when ignition switch is set to
"ON", check switch, lamp and wiring.
2. If there is current flow when ignition switch is set to "ON"
and if there is no current flow when engine is running at
idle, switch is good.
It switch is good, check lamp and wiring.
Oil pressure switch operation pressure .
20-39
kPa
(0.2-0.4
kg/cm
2 , 2.9-5.7
psi)
Oil Pressure Sender Assy
1. Since bimetal type has constructional characteristics which
vary its resistance as it repeats ON-OFF states, it cannot be
changes in current.
2. It can be checked by use of an AC type ammeter measuring
changes in current.
Refer to page 90-19.
20Y152
20Y153
INSTALLATION
Y20PBOB
1. Apply sealant to threaded portion.
2. Using special tool (09260-32000), tighten switch to speci-
fied torque.
Tightening torque
Oil pressure switch .
7.8-12 Nm (80-120 kg.cm, 5.8-8.7 Ib.ft)
Oil pressure sender .
14.7-21.6
Nm
(150-220
kg.cm,
10.8-15.9
Ib.tt)
20-69