Last Modified: 01-27-2025 6.11:8.1.0 Doc ID: RM100000001GMR3
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 11/2022]
Title: 2ZR-FAE (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL; 2020 - 2023 MY Corolla [01/2019 - 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
  • Replacement of throttle body assembly
  • Cleaning the deposits from the throttle body assembly

Inspection After Repair
  • Poor idle, etc.
  • Engine start function, etc.

2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

PROCEDURE

1. REMOVE THROTTLE BODY ASSEMBLY

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (ENGINE CONTROL): THROTTLE BODY: REMOVAL

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

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (EMISSION CONTROL): VACUUM SENSOR: REMOVAL+

3. REMOVE INTAKE MANIFOLD

(a) Disengage the wire harness clamp from the intake manifold.

(b) Disengage the 2 wire harness clamps from the vacuum sensor bracket.

(c) Disconnect the No. 1 air hose from the intake manifold.

(d) Remove the engine cover joint and vacuum sensor bracket from the intake manifold.

(e) Disconnect the No. 1 fuel vapor feed hose from the intake manifold.

(f) Slide the clip and disconnect the ventilation hose from the intake manifold.

(g) Disengage the 4 wire harness clamps.

(h) Remove the 4 bolts, 2 nuts, intake manifold and intake manifold stay.

HINT:

If the intake manifold set bolt cannot be removed because the tip of the No. 2 generator bracket set bolt is in the way, remove the V-ribbed belt first.

*a

Tip of No. 2 Generator Bracket Set Bolt

*b

Intake Manifold Set Bolt

Click here 2020 MY Corolla [01/2019 - 03/2019]; 2ZR-FAE (BATTERY / CHARGING): GENERATOR: REMOVAL 2020 - 2022 MY Corolla [03/2019 - 09/2022]; 2ZR-FAE (BATTERY / CHARGING): GENERATOR: REMOVAL 2023 MY Corolla [09/2022 - 11/2022]; 2ZR-FAE (BATTERY / CHARGING): GENERATOR: REMOVAL

Bolt

Nut

(i) Remove the engine cover joint from the intake manifold.

(j) Remove the bolt and wire harness clamp bracket from the intake manifold.

4. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET

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

5. REMOVE STUD BOLT (w/ Stud Bolt)

HINT:

If a stud bolt is deformed or the threads are damaged, replace it.

(a) Using an E6 "TORX" socket wrench, remove the 2 stud bolts from the intake manifold.