Workshop Manuals Factory service & repair Lexus
01 Relays and Modules02 Sensors and Switches03 Maintenance04 Engine, Cooling and Exhaust05 Powertrain Management06 Transmission and Drivetrain07 Brakes and Traction Control08 Starting and Charging09 Power and Ground Distribution10 Steering and Suspension11 Heating and Air Conditioning12 Restraint Systems13 Accessories and Optional Equipment14 Body and Frame15 Cruise Control16 Instrument Panel, Gauges and Warning Indicators17 Lighting and Horns18 Windows and Glass19 Wiper and Washer Systems
Lexus LS 430 V8-4.3L (3UZ-FE) (2002)03 · Maintenance
03 · Maintenance

Timing Belt: Specifications (page 14 of 20)

Make
Lexus
Model
LS 430
Engine
V8-4.3L (3UZ-FE)
Year
2002
Section
Timing Belt
MaintenanceSpecifications · page 14 of 20
background image

c. Measure the protrusion of the push rod from the housing end.

Protrusion: 9.5 - 10.5 mm (0.374 - 0.413 inch) 
If the protrusion is not as specified, replace the tensioner.

4. INSPECT WATER PUMP

INSTALLATION 

1. INSTALL CRANKSHAFT TIMING PULLEY

a. Align the timing pulley set key with the key groove of the pulley.

b. Using SST and a hammer, tap in the timing pulley, facing the flange side inward. 

SST 09223-46011 

2. INSTALL NO.1 TIMING BELT IDLER PULLEY

a. Apply adhesive 2 or 3 threads of the pivot bolt.

Adhesive: Part No. 08833-00080, THREE BOND 1344, LOCTITE 242 or equivalent
Using a 10 mm hexagon wrench, install the plate washer and idler pulley with the pivot bolt.
Torque: 34.5 Nm (350 kgf-cm, 25 ft. lbs.) 

c. Check that the pulley bracket moves smoothly.

3. INSTALL NO.2 TIMING BELT IDLER PULLEY

a. Install the idler pulley with the bolt. 

Torque: 34.5 Nm (350 kgf-cm, 25 ft. lbs.)  

c. Check that the idler pulley moves smoothly.

4. TEMPORARILY INSTALL TIMING BELT

NOTICE:  The engine should be cold.

Pinch or Ctrl + scroll to zoom. Double-tap to reset.

Parts & tools for this job For 2002 Lexus LS 4.3L

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.