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 SC 430 V8-4.3L (3UZ-FE) (2003)03 · Maintenance
03 · Maintenance

Timing Belt: Specifications (page 6 of 8)

Make
Lexus
Model
SC 430
Engine
V8-4.3L (3UZ-FE)
Year
2003
Section
Timing Belt
MaintenanceSpecifications · page 6 of 8
background image

f.

Set the belt tensioner.
1. Using a press, slowly press in the push rod using 981 - 9,807 N (100 - 1,000 kgf, 220 - 2,205 lbs.) of pressure.
2. Align the holes of the push rod and housing, pass a 1.27 mm hexagon wrench through the holes to keep the setting position of the push rod.
3. Release the press.
4. Install the dust boot to the belt tensioner.

g. Install the belt tensioner.

1. Temporarily install the belt tensioner with the 2 bolts.
2. Alternately tighten the 2 bolts.

Torque: 26 Nm (270 kgf-cm, 19 ft. lbs.)

3. Using pliers, remove the 1.27 mm hexagon wrench from the belt tensioner.

h. Check the valve timing.

1. Using the crankshaft damper bolt, slowly turn crankshaft pulley 2 revolutions from TDC to TDC.

NOTICE:   Always turn the crankshaft pulley clockwise.

2. Check that each pulley aligns with the timing marks as shown in the illustration. 

If the timing marks do not align, remove the timing belt and reinstall it.

3. Remove the crankshaft damper bolt.

27. INSTALL CRANKSHAFT POSITION SENSOR PLATE

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

Parts & tools for this job For 2003 Lexus SC 4.3L

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