Catalytic Converter Replacement - Left Side (LF1)
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Catalytic Converter Replacement - Left Side (LF1)
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Refer to
Hot Exhaust System Warning
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Refer to
Safety Glasses Warning
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1.
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Disconnect the heated oxygen sensor before and after the left catalytic converter.
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2.
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Remove the left catalytic converter nuts (1) to left cylinder head. Replace gasket (2) with a new one.
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3.
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Remove the nuts (1) to the rear muffler assembly.
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4.
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Remove the nuts (2) from the right catalytic converter.
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5.
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Note
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It may be easier to remove catalytic converter by removing the left cylinder studs.
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Remove the exhaust bracket insulator (3) from the hanger and lower catalytic converter (5).
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6.
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Carefully lower the catalytic converter to the floor.
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7.
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Transfer oxygen sensors if replacing catalytic converter.
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1.
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Refer to
Fastener Caution
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Warning
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To prevent damage to the exhaust manifold flange or stud, make sure the flange is fully seated before tightening.
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Note
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Replace the left catalytic to cylinder head nuts and gaskets with new ones.
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Install the left catalytic converter nuts to the left cylinder head. Tighten nuts (1) in a criss-cross pattern.
Tighten
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First Pass 20 Nm (15 lb ft)
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•
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Final pass 46 Nm (34 lb ft).
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1.
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Attach left catalytic converter to insulator hanger bracket (3).
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2.
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Install the left catalytic converter nuts (1) to the rear muffler assembly. Tighten to
46 Nm (34 lb ft)
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3.
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Install nuts (2) to the right catalytic converter. Tighten to
46 Nm (34 lb ft)
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4.
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Connect the heated oxygen sensor.
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5.
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Note
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Improperly installed and/or leaking exhaust manifold gaskets may affect vehicle emissions and/or On-Board Diagnostics (OBD) II system performance.
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Inspect the exhaust system for leaks.
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