Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000025RHW |
Model Year Start: 2023 |
Model: Corolla Hatchback |
Prod Date Range: [09/2022 -
] |
Title: M20A-FKS (COOLING): WATER PUMP (w/ Cooling Fan ECU): REMOVAL; 2023 - 2025 MY Corolla Corolla Hatchback [09/2022 - ] |
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during engine water pump assembly (water inlet housing) removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure
|
Necessary Procedure
|
Effect/Inoperative Function when Necessary Procedure not Performed
|
Link
|
-
Replacement of throttle body with motor assembly
-
Cleaning the deposits from the throttle body with motor assembly
-
Replacement of EGR valve assembly
-
Gas leak from exhaust system is repaired
|
Inspection after repair
|
-
Poor idle, etc.
-
Engine start function, etc.
|
|
NOTICE:
This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
Click here
PROCEDURE
1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY
Click here
2. DRAIN ENGINE COOLANT
Click here
3. REMOVE INTAKE MANIFOLD
Click here
4. DISCONNECT NO. 2 RADIATOR HOSE
Click here
5. REMOVE ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING)
(a) Slide the clip and disconnect the No. 7 water by-pass hose from the water inlet with thermostat sub-assembly.
NOTICE:
-
Do not apply force to the water inlet with thermostat sub-assembly when disconnecting the No. 7 water by-pass hose.
-
Do not damage the water inlet with thermostat sub-assembly.
HINT:
When disconnecting the No. 7 water by-pass hose, slide the clip, rotate the hose and pull it straight off the pipe.
|
|
(b) Disconnect the sensor wire connector.
|
|
(c) Disconnect the engine water pump assembly (water inlet housing) connector.
|
|
(d) Using an 8 mm socket wrench, remove the bolt and disconnect the sensor wire from the engine water pump assembly (water inlet housing).
|
|
(e) Remove the 4 bolts and engine water pump assembly (water inlet housing) from the cylinder block assembly.
|
|
(f) Using an 8 mm socket wrench, remove the 2 bolts and water inlet with thermostat sub-assembly.
|
|
(g) Remove the gasket from the water inlet with thermostat sub-assembly.
|
|
(h) Remove the gasket from the engine water pump assembly (water inlet housing).
|
|
(i) Using an E8 "TORX" socket wrench, remove the stud bolt.
|