Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000028TW1
Model Year Start: 2023 Model: Corolla Hatchback Prod Date Range: [11/2022 -           ]
Title: M20A-FKS (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL; 2023 - 2025 MY Corolla Corolla Hatchback [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 intake manifold 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

Gas leaks from exhaust system is repaired

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.

2023 - 2025 MY Corolla Corolla Hatchback [11/2022 -        ]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

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 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

PROCEDURE

1. REMOVE RADIATOR SUPPORT OPENING COVER

  • for Hatchback

    Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; EXTERIOR PANELS / TRIM: FRONT BUMPER (for Hatchback except GR): REMOVAL+

  • for Sedan with Illumination

    Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; EXTERIOR PANELS / TRIM: FRONT BUMPER (for Sedan with Illumination): REMOVAL+

  • for Sedan without Illumination

    Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; EXTERIOR PANELS / TRIM: FRONT BUMPER (for Sedan without Illumination): REMOVAL+

2. REMOVE INLET NO. 1 AIR CLEANER

Click here 2023 - 2025 MY Corolla Corolla Hatchback [09/2022 -        ]; M20A-FKS (COOLING): COOLING FAN MOTOR (w/ Cooling Fan ECU): REMOVAL+

3. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE

Click here 2020 - 2025 MY Corolla Corolla Hatchback [09/2019 -        ]; M20A-FKS (ENGINE CONTROL): THROTTLE BODY: REMOVAL+

4. SEPARATE THROTTLE BODY WITH MOTOR ASSEMBLY

(a) Disconnect the throttle body with motor assembly connector.

(b) Using an 8 mm socket wrench, remove the 3 bolts to separate the throttle body with motor assembly from the intake manifold.

5. REMOVE THROTTLE BODY GASKET

Click here 2020 - 2025 MY Corolla Corolla Hatchback [09/2019 -        ]; M20A-FKS (ENGINE CONTROL): THROTTLE BODY: REMOVAL+

6. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY

Click here 2023 - 2025 MY Corolla Corolla Hatchback [09/2022 -        ]; M20A-FKS (EMISSION CONTROL): EGR VALVE: REMOVAL+

7. REMOVE E.F.I. VACUUM SENSOR ASSEMBLY (MANIFOLD ABSOLUTE PRESSURE SENSOR)

Click here 2019 - 2025 MY Corolla Corolla Hatchback [06/2018 -        ]; M20A-FKS (EMISSION CONTROL): VACUUM SENSOR: REMOVAL+

8. DISCONNECT ENGINE WIRE

(a) Disconnect the connector.

(b) Remove the 2 bolts.

(c) Disengage the 2 wire harness clamps and disconnect the engine wire.

(d) Remove the bolt.

(e) Disengage the wire harness clamp and disconnect the engine wire.

9. SEPARATE NO. 3 WATER BY-PASS PIPE

(a) Using an 8 mm socket wrench, remove the bolt and separate the No. 3 water by-pass pipe from the intake manifold.

10. REMOVE INTAKE MANIFOLD STAY

(a) Using an 8 mm socket wrench, remove the bolt (A).

(b) Remove the bolt (B).

(c) Disengage the guide to remove the intake manifold stay.

11. DISCONNECT NO. 1 FUEL VAPOR FEED HOSE

(a) Slide the clip and disconnect the No. 1 fuel vapor feed hose from the intake manifold.

12. REMOVE INTAKE MANIFOLD

(a) w/o Stud Bolt:

(1) Remove the 5 bolts and separate the intake manifold from the cylinder head sub-assembly.

(b) w/ Stud Bolt:

(1) Remove the 3 bolts and 2 nuts.

(2) Using an E8 "TORX" socket wrench, remove the 2 stud bolts and separate the intake manifold from the cylinder head sub-assembly.

(c) Disconnect the fuel pressure sensor connector.

(d) Remove the intake manifold.

13. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET

(a) Remove the No. 1 intake manifold to head gasket from the intake manifold.

14. REMOVE VACUUM HOSE

(a) Remove the vacuum hose from the intake manifold.