Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Installation
INSTALLATION
PROCEDURE
1. INSTALL FUEL PIPE PLUG SUB-ASSEMBLY
(a) Install a new O-ring, new No. 1 fuel injector back-up ring, new No. 2 fuel injector back-up ring and new No. 3 fuel injector back-up ring to the fuel pipe plug sub-assembly as shown in the illustration.
| *1 | Fuel Pipe Plug Sub-assembly | *2 | No. 1 Fuel Injector Back-up Ring |
| *3 | No. 2 Fuel Injector Back-up Ring | *4 | No. 3 Fuel Injector Back-up Ring |
| *5 | O-ring | - | - |
| *a | Opening | *b | Overlapped |
| *c | Stretched | *d | Correct |
| *e | Incorrect | - | - |
NOTICE:
- Check that there is no foreign matter or damage on the O-ring groove of the fuel pipe plug sub-assembly.
- Check that the No. 1 fuel injector back-up ring and No. 3 fuel injector back-up ring are installed in the correct orientation.
- Make sure that the No. 1 fuel injector back-up ring, No. 2 fuel injector back-up ring, No. 3 fuel injector back-up ring and O-ring are installed in the correct order.
- Check that the opening of the No. 1 fuel injector back-up ring is not overlapped or stretched as shown in the illustration.
- After installing the O-ring, check that it is not contaminated with foreign matter and is not damaged.
(b) w/ Dust Cap:
(1) Install the dust cap sub-assembly to the fuel pipe plug sub-assembly.
| (c) Install a new gasket to the fuel pipe plug sub-assembly as shown in the illustration. |
|
(d) Secure the fuel delivery pipe with sensor assembly LH in a vise between aluminum plates.
NOTICE:
Do not overtighten the vise.
(e) Using a 5 mm hexagon socket wrench, install the fuel pipe plug sub-assembly to the fuel delivery pipe with sensor assembly LH with the 2 bolts.
Torque:
10 N·m {102 kgf·cm, 7 ft·lbf}
(f) Remove the fuel delivery pipe with sensor assembly LH from the vise.
2. INSTALL FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY LH (FUEL PRESSURE SENSOR)
HINT:
Perform "Inspection After Repair" after replacing the fuel delivery pipe with sensor assembly LH (fuel pressure sensor).
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NOTICE:
- Do not remove the fuel pressure sensor from the fuel delivery pipe with sensor assembly LH.
- If the fuel pressure sensor is removed, replace the fuel delivery pipe with sensor assembly LH (fuel pressure sensor) with a new one.
3. PERFORM INITIALIZATION
(a) Perform "Inspection After Repair" after replacing the fuel delivery pipe with sensor assembly LH (fuel pressure sensor).
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Inspection
INSPECTION PROCEDURE 1. INSPECT FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY LH (FUEL PRESSURE SENSOR) NOTICE:
Do not remove the fuel pressure sensor from the fuel delivery pipe with sensor assembly LH. ...
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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