gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Exhaust Manifold > < Close-Couple Converter Replacement
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Catalytic Converter: Service and Repair
Three-Way Converter Replacement

REMOVE OR DISCONNECT

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Raise the vehicle.

1. Clamps at the front and rear of the three-way catalytic converter.
2. Three-way catalytic converter to front exhaust pipe and three-way catalytic converter to intermediate exhaust pipe.
3. Three-way catalytic converter.

INSTALL OR CONNECT

1. Three-way catalytic converter into the exhaust pipe.
2. New U-bolts and clamps at the front and rear of the three-way catalytic converter. Tighten nuts to 60 Nm (44 lbs. ft.).
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Check for clearance and alignment.

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Lower the vehicle.

Exhaust Manifold > < Close-Couple Converter Replacement