Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLEXUS2004LX 470 V8-4.7L (2UZ-FE)REPAIR AND DIAGNOSISMAINTENANCESERVICE AND REPAIRENGINE
2004 Lexus LX 470 V8-4.7L (2UZ-FE)
Engine
2004 Lexus LX 470 V8-4.7L (2UZ-FE)SECTION Engine
INSPECTION
HINT: Inspect these items when the engine is cold.
1. REPLACE TIMING BELT
2. INSPECT VALVE CLEARANCE
3. INSPECT DRIVE BELT
4. REPLACE ENGINE OIL AND OIL FILTER
5. REPLACE ENGINE COOLANT
6. INSPECT EXHAUST PIPES AND MOUNTINGS
Visually inspect the pipes, hangers and connections for sevens corrosion, leaks or damage.
7. Canada:
INSPECT AIR CLEANER FILTER
a. Remove the air cleaner case and air cleaner filter.
b. Visually check that the air cleaner filter is not excessively damaged or oily. If necessary, replace the air cleaner filter.
c. Clean the filter with compressed. First blow from the inside thoroughly, then blow off the outside of the filter.
d. Reinstall the air cleaner filter and air cleaner case.
8. REPLACE AIR CLEANER FILTER
Replace the air cleaner filter with a new one.
9. INSPECT FUEL LINES, CONNECTIONS AND FUEL. VAPOR CONTROL VALVE
Visually inspect the fuel lines for cracks, leakage loose connections, deformation or tank band looseness.
10. INSPECT GASKET IN FUEL TANK CAP
11. REPLACE SPARK PLUGS
12. California, Massachusetts and New York:
INSPECT CHARCOAL CANISTER
HINT: Inspect these items when the engine is cold.
1. REPLACE TIMING BELT
2. INSPECT VALVE CLEARANCE
3. INSPECT DRIVE BELT
4. REPLACE ENGINE OIL AND OIL FILTER
5. REPLACE ENGINE COOLANT
6. INSPECT EXHAUST PIPES AND MOUNTINGS
Visually inspect the pipes, hangers and connections for sevens corrosion, leaks or damage.
7. Canada:
INSPECT AIR CLEANER FILTER
a. Remove the air cleaner case and air cleaner filter.
b. Visually check that the air cleaner filter is not excessively damaged or oily. If necessary, replace the air cleaner filter.
c. Clean the filter with compressed. First blow from the inside thoroughly, then blow off the outside of the filter.
d. Reinstall the air cleaner filter and air cleaner case.
8. REPLACE AIR CLEANER FILTER
Replace the air cleaner filter with a new one.
9. INSPECT FUEL LINES, CONNECTIONS AND FUEL. VAPOR CONTROL VALVE
Visually inspect the fuel lines for cracks, leakage loose connections, deformation or tank band looseness.
10. INSPECT GASKET IN FUEL TANK CAP
11. REPLACE SPARK PLUGS
12. California, Massachusetts and New York:
INSPECT CHARCOAL CANISTER
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.