K 1500 Truck 4WD V8-6.5L DSL Turbo VIN S (1999)
Catalytic Converter: Service and Repair
Catalytic Converter Replacement (Gas, Export)
REMOVAL PROCEDURE
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Remove the nuts from the Y-pipe flat flange.
3. Remove the muffler and the catalytic converter assembly.
4. Remove the nuts, studs, and flange seals from the Y-pipe and the exhaust manifold.
INSTALLATION PROCEDURE
1. Install the new flange seals.
NOTICE: Refer to Fastener Notice in Service Precautions.
2. Install the new studs.
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Tighten the studs to 22 Nm (16 ft. lbs.).
3. Install the new nuts connecting the Y-pipe, catalytic converter assembly to the exhaust manifold.