2003 LEXUS LS430 radiator cap

13.REMOVE FAN ASSY
a. Disconnect the radiator reservoir hose from the radiator.
b. Remove the 6 bolts and fan.
14.INSTALL FAN ASSY
a. Install the fan with the 6 bolts.
Torque: 5.0 Nm (51 kgfcm, 44 in.lbf)
b. Connect the radiator reservoir hose to the radiator.
15.INSTALL RADIATOR AND FAN ASSEMBLY
a. Install the 2 radiator lower supports to the radiator.
b. Attach the 2 radiator lower supports on the radiator to the body bracket.
c. Install the radiator and fan assembly with the 2 radiator upper supports and 2 nuts.
Torque: 13.5 N m (138 kgf cm, 10 ft lbf)
d. Connect the cooling fan ECU connector.
16.INSTALL AIR CLEANER ASSY
17.INSTALL AIR CLEANER INLET NO.1
18.REFILL ENGINE COOLANT (See REPLACEMENT
)
19.CHECK FOR ENGINE COOLANT LEAKS
20.INSTALL ENGINE UNDER COVER NO.1
21.CONNECT BATTERY NEGATIVE TERMINAL
OVERHAUL
1.REMOVE PACKING
2.REMOVE RADIATOR CAP SUB-ASSY
3.REMOVE DRAIN PLUG
a. Remove the drain plug.
b. Remove the O-ring.
4.ASSEMBLE SST
SST 09230-01010
a. Install the claw to the overhaul handle, inserting it in the hole in part A as shown in the illustration
b. While gripping the handle, adjust the stopper bolt so that dimension B is as shown in the
illustration.

Fig. 42: Checking Lock Plate Height (H) After Completing Caulking
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
13.INSTALL DRAIN PLUG
a. Install a new O-ring to the drain plug.
b. Install the drain plug.
14.INSPECT FOR WATER LEAKS
a. Plug the inlet and outlet pipes of the radiator with SST.
SST 09230-01010
b. Using a radiator cap tester, apply pressure to the radiator.
Test pressure: 177 kPa (1.8 kgf/cm
2 , 26 psi)
c. Submerge the radiator in water.
d. Inspect for leaks.

Fig. 44: Inspecting Leaks
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
15.INSTALL RADIATOR CAP SUB-ASSY
16.INSTALL PACKING
COMPONENTS

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
87.INSTALL OIL FILLER CAP SUB-ASSY
88.INSTALL SPARK PLUG
REPLACEMENT
1.DISCONNECT BATTERY NEGATIVE TERMINAL
2.REMOVE AIR CLEANER INLET NO.1
3.DRAIN ENGINE COOLANT
4.REMOVE V-BANK COVER
5.REMOVE INTAKE AIR CONNECTOR PIPE
6.REMOVE ENGINE UNDER COVER NO.1
7.DISCONNECT RADIATOR HOSE NO.1
8.DISCONNECT RADIATOR HOSE NO.2
9.DISCONNECT OIL COOLER INLET TUBE NO.1
10.DISCONNECT OIL COOLER OUTLET TUBE NO.1
11.REMOVE AIR CLEANER ASSY
12.REMOVE RADIATOR ASSY (See REPLACEMENT

13.REMOVE FAN AND GENERATOR V BELT (See REPLACEMENT
)
14.REMOVE VANE PUMP ASSY
a. Remove the 2 bolts, nut and pump.
HINT:
Pump should be removed with the hoses connected and then hang with a rope or wire on the body's side.
15.REMOVE GENERATOR ASSY (See REPLACEMENT
)
16.DISCONNECT COMPRESSOR AND MAGNETIC CLUTCH
HINT:
The cooler compressor with the magnetic clutch should be removed with the low-pressure and high-
pressure hoses connected and then hang with a rope or wire on the body's side.
17.REMOVE TIMING CHAIN OR BELT COVER NO.2
a. Disconnect the 2 PS air hoses from the clamp on the cover.
b. Remove the cap nut, 3 bolts, cover and gasket.

Fig. 212: Installing Cover With Cap Nut And Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
40.INSTALL COMPRESSOR AND MAGNETIC CLUTCH
a. Install the cooler compressor, stay and wire bracket with the 3 bolts and nut.
Torque:
49 N.m (500 kgf.cm, 36ft.lbf) for bolt
29 N.m (296 kgf.cm, 21 ft.lbf) for nut
41.INSTALL GENERATOR ASSY (See REPLACEMENT
)
42.INSTALL VANE PUMP ASSY
a. Install the pump with the 2 bolts and nut. Alternately tighten the bolts and nut.
Torque:
39.2 N.m (400 kgf.cm, 29 ft.lbf) for bolt
43.1 N.m (440 kgf.cm, 32 ft.lbf) for nut
43.INSTALL FAN AND GENERATOR V BELT (See REPLACEMENT
)
44.INSTALL RADIATOR ASSY (See REPLACEMENT
)
45.INSTALL AIR CLEANER ASSY
Torque: 5.0 N.m (51 kgf.cm, 44 in.lbf)