M45x AWD V8-4.5L (VK45DE) (2008)
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Using heated oxygen sensor wrench (SST), removal heated oxygen sensor 2.
CAUTION: Be careful not to damage heated oxygen sensor 2.
INSTALLATION
Note the following, and install in the reverse order of removal.
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Install the collar (5 of Components) with its lower surface horizontal.
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Temporarily tighten nuts and bolts when installing exhaust pipe assembly. Tighten them to the specified torque when connecting the vehicle rear to
the vehicle front.
CAUTION:
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Always replace exhaust tube gaskets with new ones when reassembling.
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Discard any heated oxygen sensor which has been dropped onto a hard surface such as a concrete floor. Use a new one.
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Before installing a new heated oxygen sensor, clean exhaust system threads using the heated oxygen sensor thread cleaner [commercial
service tool: J-43897-18 or J-43897-12], and apply the anti-seize lubricant (commercial service tool).
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Never over torque heated oxygen sensor. Doing so may cause damage to heated oxygen sensor, resulting in the "MIL" coming on.
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If heat insulator is badly deformed, repair or replace it. If deposits such as mud pile up on the heat insulator, remove them.
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When installing heat insulator avoid large gaps or interference between heat insulator and each exhaust pipe.
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Remove deposits from the sealing surface of each connection. Connect them securely to avoid gases leakage.
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Check each part for unusual interference, and then tighten them to the specified torque.
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When installing each mounting rubber, avoid twisting or unusual extension in up/down and right/left directions.
INSPECTION AFTER INSTALLATION
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Check clearance between tail tube and rear bumper is even.
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With engine running, check exhaust tube joints for gas leakage and unusual noises.
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Check to ensure that mounting brackets and mounting rubbers are installed properly and free from undue stress. Improper installation could result
in excessive noise and vibration.
