Mariner 2WD V6-3.0L (2008)
4. Remove and discard the 6 RH catalytic converter manifold nuts and remove the converter.
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Discard the RH catalytic converter manifold gasket.
5. Remove and discard the 6 RH catalytic converter studs.
6. Clean and inspect the RH catalytic converter manifold.
Installation
1. Install the 6 new RH catalytic converter manifold studs.
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Tighten to 11 Nm (8 lb-ft).
2. Position a new RH catalytic converter manifold gasket.
3. CAUTION: Failure to tighten the catalytic converter nuts to specification before installing the converter bracket bolts will cause the
converter to develop an exhaust leak.
CAUTION: Failure to tighten the catalytic converter nuts to specification a second time will cause the converter to develop an exhaust
leak.
NOTE: Make sure to tighten the nuts in the sequence in 2 stages.
Position the RH catalytic converter and tighten the 6 exhaust manifold nuts in 2 stages in the sequence shown.
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Stage 1: Tighten to 25 Nm (18 lb-ft).
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Stage 2: Tighten to 25 Nm (18 lb-ft).
4. Connect the EGR tube nut to the RH catalytic converter.
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Tighten to 40 Nm (30 lb-ft).
5. Connect the HO2S electrical connector.
6. Install the exhaust Y-pipe.
