2003 LEXUS LS430 torque

Fig. 293: Tightening Cylinder Head Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
e. Install and uniformly tighten the 10 cylinder head bolts, and plate washers in the sequence shown in
the illustration.
Torque: 59 N.m (602 kgf.cm, 44 ft.lbf)

Fig. 295: Identifying Painted Mark
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
i. Install the gasket to the cylinder head cover.
j. Install the seal washer to the bolt.
k. Install the cylinder head cover with the 9 bolts. Uniformly tighten the bolts in several passes.
Torque: 6.0 N.m (61 kgf.cm, 53 in..lbf)
l. Install the hose bracket of the EVAP to the cylinder head cover.
m. Install the wire clamp to the bracket on the cylinder head cover.
19.INSTALL W/CATALYST CONVERTER ASSY
20.INSTALL WATER BYPASS JOINT FR
a. Install 2 new gaskets and the water bypass joint with the 4 nuts. Alternately tighten the nuts.
Torque: 18 N.m (184 kgf.cm, 13 ft.lbf)
b. Connect the ECT connector.

Fig. 298: Installing Water By-Pass Joint RR
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
21.INSTALL WATER INLET HOUSING
a. Install a new O-ring to the inlet housing.
b. Apply soapy water to the O-ring.
c. Apply seal packing to the sealing groove of the inlet housing as shown in the illustration.
Seal packing: Part No. 08826-00100 or equivalent
<002c0051005600570044004f004f00030044000300510052005d005d004f004800030057004b004400570003004b00440056000300450048004800510003004600580057000300570052000300440003001500030057005200030016000300500050000300
0b001300110013001b00030057005200030013001100140015[ in.) opening.
Parts must be assembled within 3 minutes of application. Otherwise the material must be
removed and reapplied.
Install the water inlet and housing assembly with the 2 bolts. Alternately tighten the bolts.
Torque: 18 N.m (184 kgf.cm, 13 ft.lbf)
22.INSTALL WATER BYPASS JOINT RR
a. Install 2 new gaskets and the water bypass joint with the 4 nuts. Alternately tighten the nuts.
Torque: 18 N.m (184 kgf.cm, 13 ft.lbf)
23.INSTALL INTAKE MANIFOLD ASSY
a. Place 2 new gaskets on the cylinder heads with the white mark facing outward.

Fig. 299: Placing Gaskets On Cylinder Heads
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Install the upper and lower intake manifold assembly with the 6 bolts and 4 nuts.
Torque: 18 N.m (184 kgf.cm, 13 ft.lbf)

Fig. 309: Applying Adhesive To Threads Of Mounting Bolt
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
c. Install the front spacer, drive plate and rear spacer on the crankshaft.
d. Install and uniformly tighten the 8 mounting bolts in several passes in the sequence shown in the
illustration.
Torque: 49 N.m (500 kgf.cm, 36 ft.lbf)

Fig. 310: Installing Mounting Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
If any one of the mounting bolts does not meet the torque specification, replace the mounting bolt.
e. Mark the mounting bolt with paint.
f. Retighten the mounting bolts by 90° in the sequence shown in the illustration.
g. Check that the painted mark is now at a 90° angle to (e).

Fig. 479: Installing Bearing Cap Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Torque: 27 N.m (275 kgf.cm, 20 ft.lbf)
HINT:
If any one of the bearing cap bolts does not meet the torque specification, replace the bearing
cap bolt.
3. Mark the front of the crankshaft bearing cap bolt with paint.
4. Retighten the crankshaft bearing cap bolts by 90° in the sequence shown in the illustration.
5. Check that the painted mark is now at a 90° an
gle to the front.

Fig. 480: Tightening Bearing Cap Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
6. Install a new seal washer to the crankshaft bearing cap bolt.
7. Install and uniformly tighten the 10 crankshaft bearing cap bolts.
Torque: 49 N.m (500 kgf.cm, 36 ft.lbf)
d. Check that the crankshaft turns smoothly.
e. Check the crankshaft thrust clearance (see step 6).