2003 LEXUS LS430 fuel

Fig. 9: Disconnecting Fuel Pipe Sub-Assy No. 2
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
13.REMOVE INTAKE MANIFOLD
a. Remove the bolt and the water by-pass pipe No. 1 and No. 2.
b. Disconnect the vacuum hose for the brake booster.
c. Disconnect the air hose for the power steering.
d. Disconnect the ventilation hose.
e. Disconnect the injector connector.
f. Remove the 6 bolts, 4 nuts and intake manifold.
14.REMOVE INTAKE MANIFOLD TO HEAD GASKET NO. 1
15.INSTALL INTAKE MANIFOLD TO HEAD GASKET NO. 1
a. Install 2 new gaskets to the cylinder head.
HINT:
The white-painted area on each gasket should face up as shown in the illustration.

Fig. 10: Installing Intake Manifold To Head Gasket No. 1
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
16.INSTALL INTAKE MANIFOLD
a. Install the intake manifold with the 6 bolts and 4 nuts.
Torque: 18 N.m (184 kgf.cm, 13 ft.lbf)
b. Connect the injector connector.
c. Connect the ventilation hose.
d. Connect the air hose for the power steering.
e. Connect the vacuum hose for the brake booster.
f. Install the water by-pass pipe No. 1 and No. 2 with the bolt.
17.CONNECT FUEL PIPE SUB-ASSY NO. 2
a. Using SST, install the fuel main hose.
SST 09023-38401

Torque: 35 N.m (355 kgf.cm, 26 ft.lbf)
Fig. 11: Connecting Fuel Pipe Sub
-Assy No. 2
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
18.INSTALL VACUUM SWITCHING VALVE ASSY FOR EVAP
a. Install the VSV with the bolt.
Torque: 7.5 N.m (76 kgf.cm, 66 in.lbf)
19.INSTALL V-BANK COVER BRACKET NO. 4
a. Install the cover bracket with the 2 nuts.
Torque: 7.5 N.m (76 kgf.cm, 66 in.lbf)
20.INSTALL V-BANK COVER BRACKET NO. 3
a. Install the cover bracket with the bolt.
Torque: 7.5 N.m (76 kgf.cm, 66 in.lbf)
21.INSTALL V-BANK COVER BRACKET NO. 2
a. Install the cover bracket with the bolt.
Torque: 7.5 N.m (76 kgf.cm, 66 in.lbf)
22.INSTALL V-BANK COVER BRACKET NO. 1

a. Install the cover bracket with the bolt.
Torque: 7.5 N.m (76 kgf.cm, 66 in.lbf)
23.INSTALL THROTTLE BODY ASSY
a. Install the throttle body with the 2 bolts and 2 nuts.
b. Connect the water by-pass hose.
c. Connect the PCV hose.
d. Connect the connector to the throttle body.
24.INSTALL INTAKE AIR CONNECTOR PIPE
a. Install the intake air connector pipe with the bolt and hose clamp.
Torque:
4.0 N.m (40 kgf.cm, 35 in.lbf) for hose clamp
5.0 N.m (50 kgf.cm, 44 in.lbf) for bolt
b. Connect the air hose and ventilation hose No. 1 together.
25.INSTALL AIR CLEANER INLET NO. 1
26.INSPECT FUEL PUMP OPERATION AND CHECK FOR FUEL LEAKS
27.INSTALL V-BANK COVER
a. Install the V-bank cover with the 2 nuts.
Torque: 5.0 N.m (50 kgf.cm, 44 in.lbf)
28.REFILL ENGINE COOLANT
29.CHECK FOR ENGINE COOLANT LEAKS
a. Check for engine coolant leaks.
If leaks are present, find the leak and repair or replace parts as necessar
y.