Lexus SC300 / Lexus SC400. Manual - part 537

2. INSTALL 

RELIEF 

VALVE

(a)  Slighty mount the pump body in a vise.
NOTICE: Be careful not to damage the pump body.
(b) Insert 

the relief valve and compression spring into the oil

pump body hole.

(c)  Install the plug with a new gasket.

Torque: 49 N

⋅

m (500 kgf

⋅

cm, 36 ft

⋅

lbf)

INSTALLATION OF OIL PUMP

(See Components on page 

LU–9

)

1. 

INSTALL OIL PUMP
(a) Place 

two new O–rings in position on the cylinder block.

(b)  Remove any old packing (FIPG) material and be careful

not to drop any oil on the contact surfaces of the oil
pump cylinder block.

•

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

•

Thoroughly clean all components to remove all the
debris.

•

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

NOTICE: Do not use a solvent which will affect the
painted surfaces.

(c)  Apply seal packing to the oil pump 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. Be
particularly careful near oil passages.

•

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.

–

LUBRICATION SYSTEM

Oil Pump

LU–15

(d) Install 

the oil pump with the seven bolts (A) and two bolts

(B).

Torque:     21 N

⋅

m (210 kgf

⋅

cm, 15 ft

⋅

lbf)

HINT: Hand tighten the (A) bolts first.

2. 

INSTALL NO.1 OIL PAN
(a) Place 

a 

new O–ring in the position on the cylinder block.

(b)  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
debris.

•

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

NOTICE: Do not use a solvent which will affect the
painted surfaces.

(c)  Apply seal packing to the No.1 oil pan as shown in the

illustration.

Seal packing:     Parts 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.

(d)  Install the No.1 oil pan with the 22 bolts.

Torque:

12 mm head bolt 21 N

⋅

m (210 kgf

⋅

cm, 15 ft

⋅

lbf)

14 mm head bolt 39 N

⋅

m (400 kgf

⋅

cm, 29 ft

⋅

lbf)

LU–16

–

LUBRICATION SYSTEM

Oil Pump

3. 

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

Torque:     8.8 N

⋅

m (90 kgf

⋅

cm, 78 in.

⋅

lbf)

4. 

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

Torque:     8.8 N

⋅

m (90 kgf

⋅

cm, 78 in.

⋅

lbf)

5. 

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 ro remove all the
debris.

•

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 14 bolts and two nuts.

Torque:     8.8 N

⋅

m (90 kgf

⋅

cm, 78 in.

⋅

lbf)

–

LUBRICATION SYSTEM

Oil Pump

LU–17

6. 

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)

(c)  Connect the level sensor connector.

7. 

INSTALL OIL DIPSTICK GUIDE AND DIPSTICK
(a)  Install a new O–ring on the dipstick guide.
(b)  Apply soapy water on the O–ring.
(c) Push 

in 

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

oil pan.

(d)  Install the guide with the mounting bolt.

8.  INSTALL CRANKSHAFT TIMING PULLEY AND IDLER

PULLEY
(See steps 1 and 2 on page 

EM–29

)

9. 

INSTALL TIMING BELT
(See steps 3 to 14 on pages 

EM–29

 to 33)

10.  REMOVE ENGINE STAND FROM ENGINE

11.  ASSEMBLE ENGINE AND TRANSMISSION

(See page 

EM–103

)

12.  INSTALL ENGINE WITH TRANSMISSION

(See pages 

EM–104

 to 112)

LU–18

–

LUBRICATION SYSTEM

Oil Pump