Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001MTM5 |
Model Year Start: 2020 |
Model: Corolla Hatchback |
Prod Date Range: [09/2019 -
] |
Title: M20A-FKS (EMISSION CONTROL): EGR COOLER: INSTALLATION; 2020 - 2025 MY Corolla Corolla Hatchback [09/2019 - ] |
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
This procedure includes the installation 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. INSTALL EGR COOLER ASSEMBLY
(a) Using an 8 mm socket wrench, loosen the 4 bolts of the No. 1 EGR pipe sub-assembly.
HINT:
-
As the bolts of the No. 1 EGR pipe sub-assembly are only to be loosened, it is not necessary to replace the EGR inlet gasket and EGR valve adapter gasket.
-
If the No. 1 EGR pipe sub-assembly is removed, it is necessary to replace the EGR inlet gasket and EGR valve adapter gasket with new ones.
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(b) Using an 8 mm socket wrench, loosen the 2 bolts EGR valve assembly.
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(c) Install a new EGR cooler gasket to the EGR cooler assembly.
NOTICE:
Make sure that the claws of the EGR cooler gasket are toward the EGR cooler assembly side.
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(d) Install a new EGR valve gasket to the EGR cooler assembly.
NOTICE:
Make sure that the claws of the EGR valve gasket are toward the EGR cooler assembly side.
(e) Type A:
(1) Temporarily install the EGR cooler assembly to the cylinder head sub-assembly and EGR valve assembly with the 2 bolts and 3 nuts.
(2) Tighten the 2 bolts and 3 nuts in the order shown in the illustration.
Torque:
21 N·m {214 kgf·cm, 15 ft·lbf}
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(f) Type B:
(1) Temporarily install the EGR cooler assembly to the cylinder head sub-assembly and EGR valve assembly with the 3 bolts and 2 nuts.
(2) Tighten the 3 bolts and 2 nuts in the order shown in the illustration.
Torque:
21 N·m {214 kgf·cm, 15 ft·lbf}
(g) Install the wire harness clamp bracket to the EGR cooler assembly with the 2 bolts.
Torque:
10 N·m {102 kgf·cm, 7 ft·lbf}
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(h) Connect the No. 3 water by-pass hose and No. 4 water by-pass hose to the EGR cooler assembly and slide the 2 clips to secure them.
(i) Using an 8 mm socket wrench, tighten the 2 bolts of the EGR valve assembly.
Torque:
10 N·m {102 kgf·cm, 7 ft·lbf}
(j) Using an 8 mm socket wrench, tighten the 4 bolts of the No. 1 EGR pipe sub-assembly.
Torque:
10 N·m {102 kgf·cm, 7 ft·lbf}
2. CONNECT ENGINE WIRE
(a) Engage the wire harness clamp and connect the engine wire.
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(b) Connect the 4 connectors.
(c) Install the bolt and 2 nuts.
Torque:
10 N·m {102 kgf·cm, 7 ft·lbf}
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(d) Engage the 3 wire harness clamps and connect the engine wire.
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(e) Connect the 5 connectors.
(f) Engage the wire harness clamp and connect the engine wire.
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(g) Connect the 4 connectors.
(h) Install the 3 bolts.
Torque:
10 N·m {102 kgf·cm, 7 ft·lbf}
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3. INSTALL BATTERY
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4. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE
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5. ADD ENGINE COOLANT (for Fully Sealed Type)
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6. ADD ENGINE COOLANT (for Non-Fully Sealed Type)
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7. INSPECT FOR COOLANT LEAK (for Fully Sealed Type)
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8. INSPECT FOR COOLANT LEAK (for Non-Fully Sealed Type)
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9. INSPECT FOR EXHAUST GAS LEAK
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