Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000026ZYZ |
Model Year Start: 2023 |
Model: Corolla Hatchback |
Prod Date Range: [09/2022 -
] |
Title: M20A-FKS (FUEL): FUEL PUMP (for High Pressure): INSTALLATION; 2023 - 2025 MY Corolla Corolla Hatchback [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.
|
|
*1
|
Fuel Pump Assembly
|
*2
|
Fuel Pump Lifter Assembly
|
*3
|
No. 2 Camshaft
|
*a
|
Correct
|
*b
|
Incorrect
|
|
|
(b) Apply 30 cc (1.8 cu. in.) of engine oil to the pump drive cam.
|
|
*1
|
Cylinder Head Cover Sub-assembly
|
*2
|
Fuel Pump Spacer Gasket
|
*a
|
Pump Drive Cam (Engine Oil Application Area)
|
*b
|
Fuel Pump Lifter Assembly (Engine Oil Application Area)
|
|
|
(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.
|
|
*a
|
Fuel Pump Lifter Assembly (Engine Oil Application Area)
|
*b
|
Fuel Pump Lifter Guide (Engine Oil Application Area)
|
*c
|
Stopper Key
|
*d
|
Key Groove
|
|
|
(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.
|
|
*1
|
Fuel Pump Assembly
|
*2
|
Fuel Pump Flange
|
|
|
(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:
-
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)
|
|
*a
|
17 mm Union Nut Wrench
|
*b
|
Torque Wrench Fulcrum Length
|
|
|
(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.
Click here
6. INSTALL INTAKE MANIFOLD
Click here
7. INSTALL EGR VALVE ASSEMBLY
Click here
8. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
Click here
9. INSPECT FOR FUEL LEAK
Click here
10. PERFORM INITIALIZATION
(a) Perform "Inspection After Repair" after replacing the fuel pump assembly.
Click here
11. INITIALIZATION AFTER RECONNECTING BATTERY TERMINAL
HINT:
When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.
Click here
|