Toyota Sienna Quiz
Engine

On-vehicle cleaning

In this manual: Engine
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
~1min read

1. INSPECT RADIATOR ASSEMBLY

(a) Check that the radiator and condenser are not blocked with leaves, dirt, or insects. Clean the hose connections.

If the fins are blocked, wash them with water or a steam cleaner.

INSPECT RADIATOR ASSEMBLY
NOTICE:
  • If the distance between the steam cleaner and core is too close, the fins may be damaged.
  • Keep the following injection distance.
Standard injection distance
  • If the fins are bent, straighten them with a screwdriver or pliers.
  • Never apply water directly onto the electronic components.

    • (b) Dry the fins with compressed air.

    Test yourself

    A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.