Grand Caravan V6-4.0L (2008)
Catalytic Converter: Description and Operation
Description
GAS ENGINE
The 3.3/3.8L three-way catalytic converter is connected to the exhaust manifold by the use of flex joint and a gasket. The catalytic converter outlet
connects to the muffler and resonator assembly and is secured with a band clamp. The downstream oxygen sensor is located in the catalytic converter.
The 4.0L engine uses maniverters, a combination exhaust manifold and catalytic converter. The front and rear maniverters are connected by a
cross-under pipe. The downstream oxygen sensors is located in the maniverters. An exhaust pipe connects the cross-under pipe to the muffler and
resonator assembly and is secured by a band clamp.
