Savana 3/4 Ton Van V6-4.3L VIN X (2003)
1. Install the oxygen sensors as necessary.
2. Position the catalytic pipe to the vehicle.
3. Install the retaining nuts to the front of the muffler. Do not tighten the nuts.
Notice: Refer to Fastener Notice in Service Precautions.
4. Install the new seals, the nuts and the exhaust pipe flange to exhaust manifold.
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Tighten the exhaust pipe flange to exhaust manifold nuts to 65 Nm (48 ft. lbs.).
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Tighten the catalytic converter to muffler retaining nuts to 48 Nm (35 ft. lbs.).
5. Connect the H02S electrical connections.
6. Install the exhaust hanger and bolts to the transmission.
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Tighten the bolts to 17 Nm (13 ft. lbs.).
Notice: Refer to Exhaust System Inspection Notice in Service Precautions.
7. Verify the exhaust system for proper clearance and the alignment of all components.
8. Lower the vehicle.
