Engine Coolant Thermostat Housing Replacement (1.6L LLU)
Removal Procedure
3. |
Place collecting basin
underneath. |
5. |
Lower the vehicle by its full
height. |
7. |
Loosen the radiator inlet hose
clamp (4). |
8. |
Remove the radiator inlet hose
(3) from the engine coolant thermostat (5). |
9. |
Unclip the ECM wiring harness
guide from the cylinder head cover. |
12. |
Remove the turbocharger
coolant return hose (1) from the engine coolant thermostat housing
(4). |
14. |
Remove the thermostat housing
bracket nut. |
15. |
Remove the thermostat housing
bracket. |
16. |
Disconnect wiring harness plug
engine coolant thermostat. |
17. |
Disconnect the engine coolant
temperature sensor connector (1). |
18. |
Remove the 2 engine oil cooler
pipe bolts (6). |
|
Note: Pull the engine
oil cooler pipe out of the engine oil cooler.
|
19. |
Remove the engine oil cooler
pipe (5). |
20. |
Remove the engine oil cooler
pipe seals (4, 7). |
21. |
Remove the 4 engine coolant
thermostat housing bolts (3). |
22. |
Remove the thermostat housing
(2). |
23. |
Remove the thermostat housing
seal (8). |
24. |
Remove coolant temperature
sensor. |
Installation Procedure
1. |
Clean sealing surface.
|
2. |
Install a NEW engine coolant
thermostat housing seal (8). |
3. |
Install the engine coolant
thermostat housing (2). |
|
Note: Screw in the 4
bolts until the engine coolant thermostat housing is in contact
with the cylinder head.
|
4. |
Install the 4 engine coolant
thermostat housing bolts (3) and tighten to 2 N·m (18 lb
in). |
|
Caution: Following the proper fastener tightening sequence and
torque is essential. Failure to do so may fracture the thermostat
housing. |
5. |
Tighten the 4 engine coolant
thermostat housing bolts to 8 N·m (71 lb
in). in sequence (1-2-3-4). |
6. |
Install NEW engine oil cooler
pipe seals (4, 7). |
|
Note: Push the engine
oil cooler pipe into the engine oil cooler.
|
7. |
Install the engine oil cooler
pipe (5). |
8. |
Install the 2 engine oil
cooler pipe bolts (6) and tighten to 8 N·m (71 lb
in). . |
9. |
Connect the engine coolant
temperature sensor connector (1). |
10. |
Connect wiring harness plug
engine coolant thermostat. |
11. |
Install the engine coolant
thermostat housing bracket. |
12. |
Install the engine coolant
thermostat housing bracket nut and tighten to 6 N·m
(53 lb in). . |
14. |
Install the turbocharger
coolant return hose (1) to the engine coolant thermostat housing
(4). |
17. |
Clip in the ECM wiring harness
guide to the cylinder head cover. |
18. |
Install the radiator inlet
hose (3) to the engine coolant thermostat (5). |
19. |
Install the radiator inlet
hose clamp (4). |
|