Lexus IS250 IS220d GSE20 ALE20 4GR-FSE COOLING

RADIATOR - ON-VEHICLE CLEANING

1. CHECK FINS FOR BLOCKAGE
Radiator - On-Vehicle Cleaning. 4GR-FSE COOLING. Lexus IS250 IS220d GSE20 ALE20

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.

  • CAUTION:
If the distance between the steam cleaner and core is too close, the fins may be damaged.
Keep the following injection distance.
Injection DistanceInjection Pressure
300 mm (11.81 in.)2,942 to 4,903 kPa (30 to 50 kgf*cm2, 427 to 711 psi)
500 mm (19.69 in.)4,903 to 7,845 kPa (50 to 80 kgf*cm2, 711 to 1,138 psi)
If the fins are bent, straighten them with a screwdriver or pliers.
Never apply water directly onto the electric components.

Dry the fins with compressed air.

LEXUS IS250, IS220d / GSE20 ALE20
4GR-FSE COOLING
Lexus IS250 IS220d GSE20 ALE20
RADIATOR