1991 LEXUS SC400 Service Repair Manual

Page 2137 of 4087

LEXUS SC400 1991  Service Repair Manual 
(e)  Install the oil pump with the eight bolts.
Torque:12 mm head 16 N Vm (160 kgf Vcm, 12 ft Vlbf)
14 mm head 30 N Vm (310 kgf Vcm, 22 ft Vlbf)
HINT: Each bolt length is indicated in the illustratio

Page 2138 of 4087

LEXUS SC400 1991  Service Repair Manual 
5.  INSTALL NO.1 OIL PAN(a)  Remove any old packing (FIPG) material and be carefulnot to drop any oil on the contact surfaces of the No.1
oil pan and cylinder block.
w Using a razor blade and gasket

Page 2139 of 4087

LEXUS SC400 1991  Service Repair Manual 
6.  INSTALL OIL PAN BAFFLE PLATEInstall the baffle plate with the six bolts and two nuts.
Torque: 7.8 N Vm (80 kgf Vcm, 69 in. Vlbf)
HINT: Use bolts 14 mm (0.55 in.) in length.
7.  INSTALL NO.2 OIL P

Page 2140 of 4087

LEXUS SC400 1991  Service Repair Manual 
8.  INSTALL OIL LEVEL SENSOR(a)  Install a new gasket to the level sensor.
(b)  Install the level sensor with the four bolts.
Torque: 5.4 N Vm (55 kgf Vcm, 48 in. Vlbf)
HINT: Use bolts 16 mm (0.63 in

Page 2141 of 4087

LEXUS SC400 1991  Service Repair Manual 
OIL PUMP
COMPONENTS FOR REMOVAL AND
INSTALLATION
±
LUBRICATION SYSTEM Oil PumpLU±9 
WhereEverybodyKnowsYourName

Page 2142 of 4087

LEXUS SC400 1991  Service Repair Manual 
REMOVAL OF OIL PUMP
(See Components on page LU±9)
HINT: When repairing the oil pump, the oil pan and strainer
should be removed and cleaned.
1.  REMOVE ENGINE WITH TRANSMISSION (See pages  EM±62 to

Page 2143 of 4087

LEXUS SC400 1991  Service Repair Manual 
(b)  Insert the blade of SST between the No.1 and No.2 oilpan,  break the seal of the applied sealer and remove the
No.1 oil pan.
SST 09032±00100
NOTICE:
w Be careful not to damage the No.2 oil pan

Page 2144 of 4087

LEXUS SC400 1991  Service Repair Manual 
12.  REMOVE OIL PUMP(a)  Remove the nine mounting bolts.
(b)  Using a hammer and a brass bar, remove the oil pumpby carefully tapping the oil pump body.
(c)  Remove the two O±ring from the cylinder