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Last Modified: 01-27-2025 |
6.11:8.1.0 |
Doc ID: RM100000001GFPB |
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Model Year Start: 2020 |
Model: Corolla |
Prod Date Range: [01/2019 - 09/2022] |
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Title: 2ZR-FXE (EMISSION CONTROL): EGR COOLER: INSTALLATION; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] |
INSTALLATION
PROCEDURE
1. INSTALL EGR PIPE WITH COOLER SUB-ASSEMBLY
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(a) Using an E8 "TORX" socket wrench, install the 3 stud bolts to the EGR pipe with cooler sub-assembly.
HINT:
If a stud bolt is deformed or the threads are damaged, replace it.
Torque:
5.0 N·m {51 kgf·cm, 44 in·lbf}
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(b) Install a new EGR valve gasket to the EGR valve assembly.
(c) Install the EGR pipe with cooler sub-assembly to the EGR valve assembly with the 2 nuts.
Torque:
21 N·m {214 kgf·cm, 15 ft·lbf}
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(d) Connect the No. 6 water by-pass hose to the EGR pipe with cooler sub-assembly and slide the clip to secure it.
HINT:
Engage the clip within the area shown in the illustration.
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*a
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0 to 4 mm (0 to 0.157 in.)
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*b
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LH
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*c
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Front of the vehicle
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*d
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180°
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(e) Install a new EGR cooler gasket to the EGR pipe with cooler sub-assembly.
(f) Set the EGR pipe with cooler sub-assembly with the EGR valve assembly to the engine assembly.
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(g) Using an E8 "TORX" socket wrench, install the stud bolt (A) and stud bolt (B) to the cylinder head sub-assembly and camshaft housing sub-assembly.
HINT:
If a stud bolt is deformed or the threads are damaged, replace it.
Torque:
9.5 N·m {97 kgf·cm, 84 in·lbf}
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*a
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Stud Bolt (A)
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*b
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Stud Bolt (B)
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*c
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48 mm (1.890 in.)
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*d
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26 mm (1.024 in.)
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*e
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13 mm (0.512 in.)
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*f
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29 mm (1.142 in.)
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*g
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14 mm (0.551 in.)
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*h
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13 mm (0.512 in.)
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(h) Temporarily install the EGR pipe with cooler sub-assembly with the EGR valve assembly to the cylinder head sub-assembly and camshaft housing sub-assembly with the bolt and 2 nuts.
(i) Temporarily install the EGR pipe with cooler sub-assembly to the exhaust manifold (TWC: Front Catalyst) with 2 new nuts.
(j) Tighten the bolt and 2 nuts.
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Bolt
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Nut
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Torque:
21 N·m {214 kgf·cm, 15 ft·lbf}
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(k) Tighten the 2 nuts.
Torque:
26 N·m {265 kgf·cm, 19 ft·lbf}
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(l) Connect the EGR valve assembly connector.
2. CONNECT NO. 4 WATER BY-PASS HOSE
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(a) Connect the No. 4 water by-pass hose to the EGR pipe with cooler sub-assembly and slide the clip to secure it.
HINT:
Engage the clip within the area shown in the illustration.
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*a
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Up
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*b
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LH
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*c
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Paint Mark
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*d
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180°
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*e
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0 to 4 mm (0 to 0.157 in.)
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3. CONNECT INLET HEATER WATER HOSE
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(a) Connect the inlet heater water hose to the EGR pipe with cooler sub-assembly and slide the clip to secure it.
HINT:
Engage the clip within the area shown in the illustration.
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*a
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Up
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*b
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LH
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*c
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Paint Mark
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*d
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120°
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4. CONNECT WATER BY-PASS HOSE
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(a) Connect the water by-pass hose to the EGR valve assembly and slide the clip to secure it.
HINT:
Engage the clip within the area shown in the illustration.
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*a
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Up
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*b
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LH
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*c
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Paint Mark
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*d
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180°
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5. INSTALL EGR PIPE ASSEMBLY
Click here
6. INSTALL INVERTER WITH CONVERTER ASSEMBLY
Click here
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