Astro Van 2WD V6-4.3L VIN W (2001)
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Before installing the new nuts, clean the exhaust manifold stud threads with a wire brush.
1. To aid in the installation of the muffler assembly, lubricate the rubber hangers with rubber lubricant GM P/N 12345884.
Install the muffler assembly into the vehicle.
2. Connect the muffler assembly to the tailpipe hanger.
3. Connect the muffler assembly to the rear hanger.
4. Connect muffler assembly to the front hanger.
Notice: Refer to Fastener Notice in Service Precautions.
5. Install the 3 nuts to connect the muffler assembly to the catalytic converter assembly.
Tighten the nuts to 40 Nm (30 ft. lbs.).