Lexus SC300 / Lexus SC400. Manual - part 643

(e)  Install the oil pump with the eight bolts.

Torque:

12 mm head 16 N

⋅

m (160 kgf

⋅

cm, 12 ft

⋅

lbf)

14 mm head 30 N

⋅

m (310 kgf

⋅

cm, 22 ft

⋅

lbf)

HINT: Each bolt length is indicated in the illustration.
Bolt length:

A 50 mm (1.97 in.) for 12 mm head
B 106 mm (4.17 in.) for 12 mm head
C 30 mm (1.18 in.) for 12 mm head
D 40 mm (1.57 in.) for 14 mm head

2. 

INSTALL ENGINE SPEED SENSOR
(a)  Install the speed sensor with the bolt.

Torque: 6.4 N

⋅

m (65 kgf

⋅

cm, 56 in.

⋅

lbf)

(b)  Connect the speed sensor connector.

3. 

INSTALL OIL FILTER BRACKET
(a)  Place a new gasket in position on the oil filter bracket.

(b)  Install the oil filter bracket with the two bolts and stud

bolt.

Torque: 18 N

⋅

m (185 kgf

⋅

cm, 13 ft

⋅

lbf)

(c)  Connect the oil pressure switch connector.

4. 

INSTALL OIL STRAINER
Install a new gasket and the oil strainer with the two bolts and
two nuts.

Torque: 7.8 N

⋅

m (80 kgf

⋅

cm, 69 in.

⋅

lbf)

LU–16

–

LUBRICATION SYSTEM

Oil Pump

5. 

INSTALL NO.1 OIL PAN
(a)  Remove any old packing (FIPG) material and be careful

not to drop any oil on the contact surfaces of the No.1
oil pan and cylinder block.

•

Using a razor blade and gasket scraper, remove all
the old packing (FIPG) material from the gasket
surfaces and sealing groove.

•

Thoroughly clean all components to remove all the
loose material.

•

Using a non–residue solvent, clean both sealing
surfaces.

NOTICE: Do not use a solvent which will affect the
painted surfaces.
(b)  Apply seal packing to the No.1 oil pan as shown in the

illustration.

Seal packing: Part No. 08826–00080 or equivalent

•

Install a nozzle that has been cut to a 2–3 mm
(0.08–0.12 in.) opening.

HINT: Avoid applying an excessive amount to the surface.

•

Parts must be assembled within 5 minutes of
application. Otherwise the material must be
removed and reapplied.

•

Immediately remove nozzle from the tube and
reinstall cap.

(c) Temporarily 

install the No.1 oil pan with the sixteen bolts

and two nuts.

HINT: Each bolt length is indicated in the illustration.
Bolt length:

A 20 mm (0.78 in.) for 10 mm head
B 35 mm (1.38 in.) for 10 mm head
C 55 mm (2.17 in.) for 12 mm head

(d)  Set the No.1 oil pan as shown in the illustration.
NOTICE: Make sure the clearance between the rear ends
of the oil pan and cylinder block is 0.2 mm (0.008 in.) or
less. If the clearance is more than 0.2 mm (0.008 in.), the
oil pan will be stretched.
(e)  Tighten the sixteen bolts and two nuts.

Torque:

10 mm head 7.8 N

⋅

m (80 kgf

⋅

cm, 69 in.

⋅

lbf)

12 mm head 18 N

⋅

m (185 kgf

⋅

cm, 13 ft

⋅

lbf)

–

LUBRICATION SYSTEM

Oil Pump

LU–17

6. 

INSTALL OIL PAN BAFFLE PLATE
Install the baffle plate with the six bolts and two nuts.

Torque: 7.8 N

⋅

m (80 kgf

⋅

cm, 69 in.

⋅

lbf)

HINT: Use bolts 14 mm (0.55 in.) in length.

7. 

INSTALL NO.2 OIL PAN
(a)  Remove any old packing (FIPG) material and be careful

not to drop any oil on the contact surfaces of the No.1
and No.2 oil pans.

•

Using a razor blade and gasket scraper, remove all
the old packing (FIPG) material from the gasket
surfaces and sealing groove.

•

Thoroughly clean all components to remove all the
loose material.

•

Using a non–residue solvent, clean both sealing
surfaces.

NOTICE: Do not use a solvent which will affect the
painted surfaces.
(b)  Apply seal packing to the No.2 oil pan as shown in the

illustration.

Seal packing: Part No. 08826–00080 or equivalent

•

Install a nozzle that has been cut to a 3–4 mm
(0.12–0.16 in.) opening.

HINT: Avoid applying an excessive amount to the surface.

•

Parts must be assembled within 5 minutes of
application. Otherwise the material must be
removed and reapplied.

•

Immediately remove nozzle from the tube and
reinstall cap.

(c)  Install the No.2 oil pan with the twelve bolts and two

nuts.

Torque: 7.8 N

⋅

m (80 kgf

⋅

cm, 69 in.

⋅

lbf)

HINT: Use bolts 14 mm (0.55 in.) in length.

LU–18

–

LUBRICATION SYSTEM

Oil Pump

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

⋅

m (55 kgf

⋅

cm, 48 in.

⋅

lbf)

HINT: Use bolts 16 mm (0.63 in.) in length.
(c)  Connect the level sensor connector.

9.  INSTALL BRACKET OF MAIN OXYGEN SENSOR

CONNECTOR TO NO.1 OIL PAN
Install the connector bracket with bolt.

10.  INSTALL OIL DIPSTICK GUIDE AND DIPSTICK

(a)  Install a new O–ring to the dipstick guide.
(b)  Apply soapy water to the O–ring.
(c) Push 

in 

the dipstick guide into the guide hole of the No.1

oil pan.

(d)  Install the engine wire bracket and dipstick guide with

bolt.

(e)  Install the oil dipstick.

11.  INSTALL CRANKSHAFT TIMING PULLEY, NO.1 IDLER

PULLEY AND NO.2 IDLER PULLEY
(See steps 1 to 3 on pages 

EM–46

 and 47)

12.  INSTALL TIMING BELT

(See steps 4 to 35 on pages 

EM–47

 to 56)

13.  REMOVE ENGINE STAND FROM ENGINE
14.  ASSEMBLE ENGINE AND TRANSMISSION

(See pages 

EM–165

 and 166)

15.  INSTALL ENGINE WITH TRANSMISSION

(See pages 

EM–167

 to 177)

–

LUBRICATION SYSTEM

Oil Pump

LU–19