Last Modified: 07-31-2024 |
6.11:8.1.0 |
Doc ID: RM100000001G459 |
Model Year Start: 2020 |
Model: Corolla |
Prod Date Range: [01/2019 - 11/2022] |
Title: 2ZR-FAE (ENGINE MECHANICAL): CYLINDER HEAD GASKET: INSTALLATION; 2020 - 2023 MY Corolla [01/2019 - 11/2022] |
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repair" after replacing the cylinder head sub-assembly.
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PROCEDURE
1. INSTALL CYLINDER HEAD GASKET
(a) Remove any oil from the contact surfaces.
(b) Apply seal packing to the cylinder block sub-assembly as shown in the illustration.
*a
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Cylinder Block Sub-assembly
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*b
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2.0 to 4.0 mm (0.0787 to 0.157 in.)
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*c
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10 to 15 mm (0.394 to 0.591 in.)
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*d
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Diameter 4.0 mm (0.157 in.)
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Front of Engine
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Seal Packing:
Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent
NOTICE:
Install the cylinder head gasket within 3 minutes and tighten the cylinder head set bolts within 15 minutes of applying seal packing.
(c) Place a new cylinder head gasket on the cylinder block sub-assembly as shown in the illustration.
*a
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Lot No.
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Front of Engine
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NOTICE:
Make sure to install the cylinder head gasket in the correct direction.
(d) Apply seal packing to the cylinder head gasket as shown in the illustration.
*a
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Cylinder Head Gasket
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*b
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0 to 2.0 mm (0 to 0.0787 in.)
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*c
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10 to 15 mm (0.394 to 0.591 in.)
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*d
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Diameter 4.0 mm (0.157 in.)
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Front of Engine
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Seal Packing:
Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent
2. INSTALL CYLINDER HEAD SUB-ASSEMBLY
HINT:
The cylinder head set bolts are tightened in 3 progressive steps.
(a) Clean the cylinder block sub-assembly and cylinder head sub-assembly with solvent.
(b) Place the cylinder head sub-assembly on the cylinder block sub-assembly.
NOTICE:
-
Remove any oil from the contact surface of the cylinder head sub-assembly.
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Place the cylinder head sub-assembly on the cylinder block sub-assembly gently in order not to damage the gasket with the bottom of the cylinder head sub-assembly.
(c) Install the 10 cylinder head set plate washers to the 10 cylinder head set bolts.
(d) Apply a light coat of engine oil to the threads and under the heads of the cylinder head set bolts.
(e) Step 1:
(1) Using a 10 mm bi-hexagon socket wrench, install and uniformly tighten the 10 cylinder head set bolts in several steps in the order shown in the illustration.
Torque:
49 N·m {500 kgf·cm, 36 ft·lbf}
NOTICE:
Do not drop the cylinder head set plate washers for the cylinder head set bolts into the cylinder head sub-assembly.
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(f) Step 2:
*a
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Paint Mark
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Front of Engine
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(1) Mark each cylinder head set bolt head with paint as shown in the illustration.
(2) Tighten the cylinder head set bolts 90° in the order shown in step 1.
(g) Step 3:
(1) Tighten the cylinder head set bolts another 45° in the order shown in step 1.
(h) Check that the paint marks are now at a 135° angle.
NOTICE:
Do not add engine oil for at least 2 hours after installing the cylinder head sub-assembly.
(i) After tightening the cylinder head set bolts, wipe off any seal packing that seeped out from the contact surfaces between the cylinder head sub-assembly and cylinder block sub-assembly.
NOTICE:
-
Be sure to wipe off the seal packing from inside to outside, parallel to the joint line.
-
Be sure to avoid clogging the bolt holes when wiping off the seal packing.
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*a
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Before Wiping Off
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*b
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After Wiping Off
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3. INSTALL NO. 1 WATER BY-PASS PIPE
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4. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY
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