intake manifold inlet LEXUS LS430 2003 Factory Repair Manual

Fig. 286: Removing Upper And Lower Intake Manifold Assembly
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
10.REMOVE INTAKE MANIFOLD ASSY
a. Remove the 6 bolts, 4 nuts, upper and lower intake manifold assembly and 2 gaskets.
11.REMOVE WATER BYPASS JOINT RR
a. Disconnect the heater inlet hose from the water bypass joint.
b. Remove the 4 nuts, water bypass joint and 2 gaskets.
Fig. 287: Disconnecting Heater Inlet Hose From Water By
-Pass Joint
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
12.REMOVE WATER INLET HOUSING
a. Remove the 2 bolts and inlet housing.
13.REMOVE WATER BYPASS JOINT FR
a. Disconnect the ECT sensor connector.
b. Remove the 4 nuts, water bypass joint and 2 gaskets.

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.