Last Modified: 07-31-2024 |
6.11:8.1.0 |
Doc ID: RM100000001GMR4 |
Model Year Start: 2020 |
Model: Corolla |
Prod Date Range: [01/2019 - 11/2022] |
Title: 2ZR-FAE (INTAKE / EXHAUST): EXHAUST MANIFOLD: INSTALLATION; 2020 - 2023 MY Corolla [01/2019 - 11/2022] |
INSTALLATION
PROCEDURE
1. INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR
(a) Install the No. 2 exhaust manifold heat insulator to the exhaust manifold with the 4 bolts.
Torque:
12 N·m {122 kgf·cm, 9 ft·lbf}
2. INSTALL EXHAUST MANIFOLD
(a) Install a new exhaust manifold to head gasket to the cylinder head sub-assembly.
(b) Temporarily install the exhaust manifold and manifold stay to the cylinder head sub-assembly and cylinder block sub-assembly with 5 new nuts and the 3 bolts.
(c) Tighten the 5 nuts in the order shown in the illustration.
*A
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Type A
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*B
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Type B
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*a
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18 mm (0.709 in.)
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*b
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17 mm (0.669 in.)
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Torque:
Type A :
37 N·m {377 kgf·cm, 27 ft·lbf}
Type B :
26 N·m {265 kgf·cm, 19 ft·lbf}
(d) Tighten the 3 bolts in the order shown in the illustration.
Torque:
43 N·m {438 kgf·cm, 32 ft·lbf}
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3. INSTALL DRIVE SHAFT HEAT INSULATOR SUB-ASSEMBLY
(a) Install the 2 drive shaft heat insulator sub-assemblies to the manifold stay with the 2 nuts.
Torque:
17.6 N·m {179 kgf·cm, 13 ft·lbf}
4. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
(a) Install the No. 1 exhaust manifold heat insulator to the exhaust manifold with the 4 bolts.
Torque:
12 N·m {122 kgf·cm, 9 ft·lbf}
(b) Install the wire harness clamp bracket to the cylinder head sub-assembly with the bolt.
Torque:
39 N·m {398 kgf·cm, 29 ft·lbf}
(c) Engage the 2 clamps.
5. INSTALL AIR FUEL RATIO SENSOR
Click here
6. INSPECT FOR EXHAUST GAS LEAK
Click here
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