Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001D0QJ |
Model Year Start: 2019 |
Model: Corolla Hatchback |
Prod Date Range: [06/2018 - 09/2022] |
Title: M20A-FKS (FUEL): FUEL PUMP (for High Pressure): INSTALLATION; 2019 - 2022 MY Corolla Corolla Hatchback [06/2018 - 09/2022] |
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.
Click here
PROCEDURE
1. TEMPORARILY INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY
NOTICE:
When replacing the fuel pump assembly, it is necessary to replace the No. 1 fuel pipe sub-assembly with a new one.
HINT:
Perform "Inspection After Repair" after replacing the fuel pump assembly.
Click here
(a) Turn the crankshaft pulley until the flat of the camshaft faces the fuel pump lifter assembly.
HINT:
This prevents the camshaft nose from pushing up the fuel pump lifter assembly when installing the fuel pump assembly.
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*1
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Fuel Pump Assembly
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*2
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Fuel Pump Lifter Assembly
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*3
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No. 2 Camshaft
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*a
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Correct
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*b
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Incorrect
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(b) Apply 30 cc (1.8 cu. in.) of engine oil to the pump drive cam.
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*1
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Cylinder Head Cover Sub-assembly
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*2
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Fuel Pump Spacer Gasket
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*a
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Pump Drive Cam (Engine Oil Application Area)
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*b
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Fuel Pump Lifter Assembly (Engine Oil Application Area)
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(c) Apply engine oil to the fuel pump lifter assembly.
(d) Install a new fuel pump spacer gasket to the cylinder head cover sub-assembly.
(e) Apply engine oil to the inside of the fuel pump lifter guide and the outside of the fuel pump lifter assembly.
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*a
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Fuel Pump Lifter Assembly (Engine Oil Application Area)
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*b
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Fuel Pump Lifter Guide (Engine Oil Application Area)
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*c
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Stopper Key
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*d
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Key Groove
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(f) Set the fuel pump lifter assembly on the fuel pump lifter guide as shown in the illustration.
HINT:
Align the stopper key of the fuel pump lifter assembly with the key groove of the fuel pump lifter guide.
(g) Apply engine oil to a new O-ring and install it to the fuel pump assembly.
NOTICE:
Do not damage the O-ring.
(h) Set the fuel pump flange and fuel pump assembly on the cylinder head cover sub-assembly as shown in the illustration.
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*1
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Fuel Pump Assembly
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*2
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Fuel Pump Flange
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(i) Temporarily install the fuel pump assembly with the 2 bolts, leaving some allowance for left and right movement.
2. TEMPORARILY INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY
NOTICE:
Do not damage the seals of the union nuts of the No. 1 fuel pipe sub-assembly.
(a) Connect the No. 1 fuel pipe sub-assembly to the fuel delivery pipe and tighten the union nut by hand.
(b) Connect the No. 1 fuel pipe sub-assembly to the fuel pump assembly and tighten the union nut by hand.
(c) Temporarily install the bolt.
3. INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY
(a) Tighten the 2 bolts.
Torque:
28.5 N·m {291 kgf·cm, 21 ft·lbf}
(b) Connect the fuel pump assembly connector.
4. INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY
(a) Using a 17 mm union nut wrench, tighten the union nut on the fuel delivery pipe side of the No. 1 fuel pipe sub-assembly.
Torque:
Specified tightening torque :
35 N·m {357 kgf·cm, 26 ft·lbf}
NOTICE:
Do not adjust the torque in the loosening direction.
HINT:
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Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.
Click here
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When using a 17 mm union nut wrench (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)): 30 N*m (306 kgf*cm, 22 ft.*lbf)
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*a
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17 mm Union Nut Wrench
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*b
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Torque Wrench Fulcrum Length
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(b) Using a 17 mm union nut wrench, tighten the union nut on the fuel pump assembly side of the No. 1 fuel pipe sub-assembly.
Torque:
Specified tightening torque :
35 N·m {357 kgf·cm, 26 ft·lbf}
NOTICE:
Do not adjust the torque in the loosening direction.
HINT:
-
Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.
Click here
-
When using a 17 mm union nut wrench (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)): 30 N*m (306 kgf*cm, 22 ft.*lbf)
(c) Using an 8 mm socket wrench, tighten the bolt.
Torque:
10 N·m {102 kgf·cm, 7 ft·lbf}
(d) Connect the ignition coil assembly connector.
5. CONNECT FUEL TUBE SUB-ASSEMBLY
(a) Connect the fuel tube sub-assembly to the fuel pump assembly.
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6. INSTALL INTAKE MANIFOLD
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7. INSTALL EGR VALVE ASSEMBLY
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8. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
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9. INSPECT FOR FUEL LEAK
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10. PERFORM INITIALIZATION
(a) Perform "Inspection After Repair" after replacing the fuel pump assembly.
Click here
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