Lexus NX: Installation
INSTALLATION
PROCEDURE
1. INSTALL EXHAUST PIPE DAMPER
(a) Install the exhaust pipe damper with the 2 bolts.
Torque:
19 N·m {194 kgf·cm, 14 ft·lbf}
2. INSTALL HEATED OXYGEN SENSOR
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3. INSTALL FRONT EXHAUST PIPE ASSEMBLY
| (a) Using a vernier caliper, measure the free length of the compression spring. Minimum length: 41.5 mm (1.63 in.) If the length is less than the minimum, replace the compression spring. |
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(b) Using a wire brush, remove any foreign matter from the gasket installation surface.
| (c) Using a plastic-faced hammer and wooden block, tap in a new gasket until its surface is flush with the exhaust manifold converter sub-assembly. NOTICE:
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| (d) Install the front exhaust pipe assembly with the 2 compression springs and 2 bolts. Torque: 43 N·m {438 kgf·cm, 32 ft·lbf} HINT: After installation, check that the space between the flanges of the exhaust manifold converter sub-assembly and front exhaust pipe assembly is consistent front-to-rear and left-to-right. |
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4. INSTALL CENTER EXHAUST PIPE ASSEMBLY
(a) Install a new gasket to the front exhaust pipe assembly.
(b) Connect the 3 exhaust pipe supports to install the center exhaust pipe assembly.
(c) Install the 2 bolts.
Torque:
43 N·m {438 kgf·cm, 32 ft·lbf}
5. INSTALL TAIL EXHAUST PIPE ASSEMBLY
| (a) Using a vernier caliper, measure the free length of the compression spring. Minimum length: 38.5 mm (1.52 in.) If the length is less than the minimum, replace the compression spring. |
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(b) Using a wire brush, remove any foreign matter from the gasket installation surface.
| (c) Using a plastic-faced hammer and wooden block, tap in a new gasket until its surface is flush with the center exhaust pipe assembly. NOTICE:
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(d) Connect the 2 exhaust pipe supports to install the tail exhaust pipe assembly.
| (e) Install the tail exhaust pipe assembly with the 2 compression springs and 2 bolts. Torque: 43 N·m {438 kgf·cm, 32 ft·lbf} HINT: After installation, check that the space between the flanges of the center exhaust pipe assembly and tail exhaust pipe assembly is consistent front-to-rear and left-to-right. |
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6. INSPECT FOR EXHAUST GAS LEAK
If gas is leaking, tighten the areas necessary to stop the leak. Replace damaged parts as necessary.
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REMOVAL PROCEDURE 1. DISCHARGE FUEL SYSTEM PRESSURE Click here 2. PRECAUTION NOTICE: After turning the power switch off, waiting time may be required before disconnecting the cable from the auxiliar
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