2003 LEXUS LS430 coolant

14.REFILL ENGINE COOLANT (See REPLACEMENT )
15.WARM UP ENGINE
16.CHECK FOR ENGINE COOLANT LEAKS
COMPONENTS

If the result is not as specified, replace the VSV assy.
Fig. 8: Checking Air Flows From Port E To Port F

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REPLACEMENT
1.DRAIN ENGINE COOLANT
2.WORK FOR PREVENTING GASOLINE FROM SPILLING OUT
3.REMOVE V-BANK COVER
a. Remove the 2 nuts and V-bank cover.
4.REMOVE AIR CLEANER INLET NO. 1
5.REMOVE INTAKE AIR CONNECTOR PIPE
a. Disconnect the air hose and ventilation hose No. 1.
b. Remove the bolt, hose clamp and intake air connector pipe.

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.