Lexus IS250 IS220d GSE20 ALE20 2AD-FHV COOLING
THERMOSTAT - REMOVAL
| 1. REMOVE COOL AIR INTAKE DUCT SEAL |
Remove the 11 clips and intake duct seal.
| 2. REMOVE NO. 1 ENGINE COVER |
Remove the No. 1 engine cover.
| 3. REMOVE NO. 1 INLET AIR CLEANER |
Remove the bolt, clip and inlet air cleaner.
| 4. REMOVE ENGINE ROOM SIDE COVER LH |
Remove the 4 clips and side cover.
| 5. REMOVE ENGINE UNDER COVER |
| 6. DRAIN ENGINE COOLANT |
- CAUTION:
- Do not remove the radiator cap while the engine and radiator are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.
Remove the radiator cap.
Loosen the radiator drain cock plug and cylinder block drain cock plug. Then drain the coolant.
- HINT:
- Collect the coolant in a container and dispose of it according to local regulations.
| 7. REMOVE WIRING HARNESS CLAMP BRACKET |
Disconnect the wiring harness clamp.
Disconnect the 6 wire harness clamps (*1).
Disconnect the EGR valve connector (*2).
Disconnect the oil pressure switch assembly connector (*3).
Remove the 2 bolts and wire harness clamp bracket.
| 8. REMOVE NO. 2 EGR PIPE |
Remove the 2 nuts, 2 bolts and No. 2 EGR pipe.
| 9. REMOVE NO. 1 WATER OUTLET PIPE |
Disconnect the manifold absolute pressure sensor connector and vacuum hose.
Remove the insulator.
Disconnect the 2 water hoses.
Remove the 3 bolts and No. 1 water outlet pipe.
| 10. REMOVE AIR PIPE SUB-ASSEMBLY |
Disconnect the 2 diesel throttle body connectors.
Loosen the 3 hose bands.
Disconnect the intake air temperature sensor connector.
Remove the bolt and air pipe sub-assembly.
Disconnect the wire harness clamp.
| 11. REMOVE NO. 4 AIR HOSE |
| 12. DISCONNECT RADIATOR OUTLET HOSE |
Separate the wire harness clamp from the water inlet.
Loosen the clip and disconnect the radiator outlet hose.
| 13. REMOVE WATER INLET |
Remove the 3 bolts and water inlet.
| 14. REMOVE THERMOSTAT |
Remove the thermostat and water inlet housing gasket.