Lexus NX: Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repair" after replacing the EGR valve assembly.
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PROCEDURE
1. INSTALL EGR VALVE ASSEMBLY
HINT:
Perform "Inspection After Repair" after replacing the EGR valve assembly.
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| (a) Install 2 new gaskets to the No. 1 EGR pipe and intake manifold. NOTICE: Make sure that the gasket is installed in the correct direction. |
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(b) Temporarily install the EGR valve assembly to the intake manifold with the 3 bolts.
(c) Connect the No. 1 EGR pipe to the EGR valve assembly and temporarily install the 2 nuts.
(d) Tighten the 3 bolts.
Torque:
10 N·m {102 kgf·cm, 7 ft·lbf}
(e) Using a 12 mm deep socket wrench, tighten the 2 nuts.
Torque:
21 N·m {214 kgf·cm, 15 ft·lbf}
(f) Using a 10 mm deep socket wrench, install the engine cover joint to the EGR valve assembly.
Torque:
10 N·m {102 kgf·cm, 7 ft·lbf}
(g) Connect the No. 1 water by-pass hose and No. 2 water by-pass hose to the EGR valve assembly, and slide the 2 clamps to secure the hose.
(h) Connect the connector to the EGR valve assembly.
2. INSTALL AIR CLEANER CAP AND HOSE
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3. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY
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4. ADD ENGINE COOLANT
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5. INSPECT FOR COOLANT LEAK
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READ NEXT:
Parts Location
PARTS LOCATION ILLUSTRATION *1 AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1) *2 CHARCOAL CANISTER ASSEMBLY *3 EGR VALVE ASSEMBLY *4 FUEL TANK CAP ASSEMBLY *5 HEATED OXYGEN SENS
System Diagram
SYSTEM DIAGRAM *1 ECM *2 Engine Coolant Temperature Sensor *3 Air Fuel Ratio Sensor (for Bank 1 Sensor 1) *4 Heated Oxygen Sensor (for Bank 1 Sensor 2) *5 Crankshaft Position
SEE MORE:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: If the main body ECU (multiplex network body ECU) is replaced, refer to Registration. Click here HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in
LTA (Lane Tracing Assist)
When driving on highways and
freeways with white (yellow) lane
lines, this function alerts the driver
when the vehicle might depart
from its lane or course* and provides
assistance by operating the
steering wheel to keep the vehicle
in its lane or course*. Furthermore,
the system provides st
