OEM 2003 Chevrolet Venture Catalytic Converter

2003 Chevrolet Venture Catalytic Converter Parts and Q&A

• Q: How to replace a 3-way catalytic converter on 2003 Chevrolet Venture?

  A: To change the 3-way catalytic, first, lift and support the vehicle in a suitable manner. Pull off the heated Oxygen Sensor (HO2S) connector, undo the exhaust manifold pipe nuts from the exhaust manifold pipe studs and the Catalytic Converter nuts from the Exhaust Pipe to remove out the 3-way Catalytic Converter. For installation, make sure to support the new Catalytic Converter assembly to avoid internal damage of the flexible coupling, maintaining the vertical movement at the rear at 6 degrees. Start by replacing a Catalytic Converter Gasket and a new exhaust manifold pipe gasket. Mount and support the new 3-way Catalytic Converter under the vehicle, and connect the Exhaust Pipe to the 3-way Catalytic Converter using the Catalytic Converter nuts, and do not tighten them. Next, install the exhaust manifold pipe nuts onto the exhaust manifold pipe studs and tighten them to an amount of 35 nm (26 ft. Lbs.) after which you tighten the nuts of the Catalytic Converter to a torque of 34 nm (25 ft. Lbs.). Finally, lower the vehicle.