Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Engine

General Maintenance

GENERAL MAINTENANCE

CAUTION / NOTICE / HINT

HINT:

Perform these procedures after the engine has cooled down.

PROCEDURE

1. INSPECT DRIVE BELT

(a) Check the drive belt.

for 2GR-FKS: Click here

2. INSPECT ENGINE OIL AND OIL FILTER

(a) Check the engine oil and oil filter.

for 2GR-FKS: Click here

3. INSPECT ENGINE COOLANT

(a) Check the engine coolant.

for 2GR-FKS: Click here

4. INSPECT SPARK PLUGS

(a) Check the spark plugs.

for 2GR-FKS: Click here

5. INSPECT BATTERY

(a) Check the battery.

for 2GR-FKS: Click here

6. INSPECT AIR CLEANER FILTER ELEMENT

(a) Remove the air cleaner filter element.

(b) Check that the air cleaner filter element is not excessively dirty. If the air cleaner filter element is excessively dirty, replace the air cleaner filter element.

(c) If cleaning the air cleaner filter element, blow compressed air as shown in the illustration to clean it.

(d) Reinstall the air cleaner filter element.

7. INSPECT EXHAUST PIPES AND MOUNTINGS

(a) Visually check the pipes, hangers and connections for severe corrosion, leaks or damage.

8. INSPECT FUEL TANK CAP GASKET

(a) Check the fuel tank cap gasket.

for 2GR-FKS: Click here

9. INSPECT FUEL LINES, CONNECTIONS, FUEL TANK VAPOR VENT SYSTEM HOSES, AND FUEL TANK BANDS

(a) Visually check the fuel lines and hoses for cracks, leaks, loose connections, or deformation.

(b) Check for tank band looseness or deformation.

10. INSPECT CHARCOAL CANISTER

(a) Check the charcoal canister.

for 2GR-FKS: Click here