Blazer 2WD V6-4.3L VIN X (2004)
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Tighten the catalytic converter to exhaust manifold nuts to 53 Nm (39 ft. lbs.).
5. Install the muffler and NEW gasket to the catalytic converter.
6. Install the muffler to the catalytic converter flange nuts.
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Tighten the muffler to the catalytic converter flange nuts to 40 Nm (30 ft. lbs.).
7. Connect the post-converter heated oxygen sensor (H02S) electrical connection.
8. Connect the RH pre-converter heated oxygen sensor (H02S) electrical connection.
