Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001CZT4 |
Model Year Start: 2019 |
Model: Corolla Hatchback |
Prod Date Range: [06/2018 - 11/2022] |
Title: M20A-FKS (COOLING): WATER PUMP (w/o Cooling Fan ECU): REMOVAL; 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 11/2022] |
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
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Necessary Procedure
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Effect/Inoperative Function when Necessary Procedure not Performed
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Link
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Replacement of throttle body with motor assembly
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Cleaning the deposits from the throttle body with motor assembly
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Replacement of EGR valve assembly
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Gas leak from exhaust system is repaired
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Inspection after repair
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Poor idle, etc.
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Engine start function, etc.
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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.
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PROCEDURE
1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY
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2. REMOVE INTAKE MANIFOLD
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3. DISCONNECT NO. 2 RADIATOR HOSE
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4. REMOVE ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING)
(a) Disconnect the water inlet with thermostat sub-assembly connector.
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(b) Slide the clip and disconnect the No. 7 water by-pass hose from the water inlet with thermostat sub-assembly.
NOTICE:
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Do not apply force to the water inlet with thermostat sub-assembly when disconnecting the No. 7 water by-pass hose.
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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.
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(c) Disconnect the sensor wire connector.
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(d) Disconnect the engine water pump assembly (water inlet housing) connector.
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(e) Using an 8 mm socket wrench, remove the bolt and disconnect the sensor wire from the engine water pump assembly (water inlet housing).
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(f) Remove the 4 bolts and engine water pump assembly (water inlet housing) from the cylinder block assembly.
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(g) Using an 8 mm socket wrench, remove the 2 bolts and water inlet with thermostat sub-assembly.
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(h) Remove the gasket from the water inlet with thermostat sub-assembly.
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(i) Remove the gasket from the engine water pump assembly (water inlet housing).
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(j) Using an E8 "TORX" socket wrench, remove the stud bolt.
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