Catalytic Converter Replacement - Right Side V8
Removal Procedure
Warning: Refer to Exhaust Service Warning in the Preface section.
Warning: Refer to Protective Goggles and Glove Warning in the Preface section.
- Ignition OFF.
Warning: Refer to Battery Disconnect Warning in the Preface section.
- Disconnect the battery negative cable. Refer to
Battery Negative Cable Disconnection and Connection.
Note: The right catalytic converter to exhaust manifold retaining
nuts (1) are single use parts. They must be discarded after removal.
- Remove the right catalytic converter to exhaust manifold retaining nuts (3).
Discard the nuts.
- Disconnect the right catalytic converter (2) from the exhaust manifold (1).
Danger: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the
opposite end from which the components are being removed and strap the vehicle to the hoist.
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle.
Caution: Refer to Fuel and Evaporative Emission Hose/Pipe Connection Cleaning Caution in the Preface section.
- Disconnect the right pre-catalytic converter heated oxygen sensor (HO2S) electrical
connector (1).
Note: The exhaust crossover pipe assembly to right catalytic
converter retaining nuts (3) are single use parts. They must be discarded after
removal.
- Remove the exhaust crossover pipe assembly to right catalytic converter retaining
nuts (3).
Discard the nuts.
- Disconnect the exhaust crossover pipe assembly (2) from the right
catalytic converter (1).
- Remove the right catalytic converter (1) from
the vehicle.
- Remove the right pre-catalytic converter HO2S. Refer to
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1.
Installation Procedure
- Install the right pre-catalytic converter heated oxygen sensor (HO2S)
to the right catalytic converter. Refer to
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1.
Note: Make sure that a NEW sealing ring is fitted prior to
installation. Failure to comply may cause the exhaust system to perform poorly.
- Install the right catalytic converter (1) to the vehicle.
- Align the exhaust crossover pipe assembly (2)
to the right catalytic converter (1).
Caution: Refer to Fastener Caution in the Preface section.
- Install the exhaust crossover pipe assembly to right catalytic converter retaining
nuts (3) and tighten to
40 N·m (30 lb ft).
- Connect the right pre-catalytic converter HO2S electrical
connector (1).
Note: Push up and forward on the right catalytic converter (2)
to connect to the exhaust manifold (3).
- Connect the right catalytic converter (2) to the exhaust manifold (1).
Note: Do not fully tighten the right catalytic converter
to exhaust manifold retaining nuts (3) at this stage.
- Install the right catalytic converter to exhaust manifold retaining nuts (3).
Do not fully tighten at this stage.
- Lower the vehicle.
- Tighten the right catalytic converter to exhaust manifold retaining nuts (1)
to
45 N·m (33 lb ft).
- Make sure the exhaust system is clear of all other components and chassis.
If the exhaust system is not clear of all the other components loosen all retaining
nuts and re-align. Refer to
Exhaust System Alignment.
- Connect the battery negative cable. Refer to
Battery Negative Cable Disconnection and Connection.
Catalytic Converter Replacement - Right Side V6
Removal Procedure
Warning: Refer to Exhaust Service Warning in the Preface section.
Warning: Refer to Protective Goggles and Glove Warning in the Preface section.
- Ignition OFF.
Warning: Refer to Battery Disconnect Warning in the Preface section.
- Disconnect the battery negative cable. Refer to
Battery Negative Cable Disconnection and Connection.
- Remove the engine cover. Refer to
Engine Cover Replacement.
- Remove the right pre-catalytic convertor heated oxygen sensor (HO2S) sensor.
Refer to
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1.
- Remove the right exhaust manifold heat shield. Refer to
Exhaust Manifold Heat Shield Replacement - Right Side
.
Note: The right catalytic converter to exhaust manifold retaining
nuts (1) are single use parts. They must be discarded after removal.
- Remove the right catalytic converter to exhaust manifold retaining nuts (3).
Discard the nuts.
Danger: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the
opposite end from which the components are being removed and strap the vehicle to the hoist.
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle.
Note: The exhaust crossover pipe assembly to right catalytic
converter retaining nuts (3) are single use parts. They must be discarded after
removal.
- Remove the exhaust crossover pipe assembly to right catalytic converter retaining
nuts (3).
Discard the nuts.
- Pull down and back on the right catalytic converter (1) to disconnect
from the exhaust manifold.
- Disconnect the exhaust crossover pipe assembly (2) from the right
catalytic converter (1).
- Remove the right catalytic converter (1) from
the vehicle.
Installation Procedure
Danger: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the
opposite end from which the components are being removed and strap the vehicle to the hoist.
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle.
Note: Make sure that a NEW sealing ring is fitted prior to
installation. Failure to comply may cause the exhaust system to perform poorly.
- Install the right catalytic converter (1) to the vehicle.
- Align the exhaust crossover pipe assembly (2)
to the right catalytic converter (1).
Caution: Refer to Fastener Caution in the Preface section.
- Install NEW exhaust crossover pipe assembly to right catalytic converter retaining
nuts (3) and tighten to
40 N·m (30 lb ft).
- Lower the vehicle.
- Install NEW right catalytic converter to exhaust manifold
retaining nuts (1) and tighten to
45 N·m (33 lb ft).
- Make sure that the exhaust system is clear of all other components and
chassis. If the exhaust system is not clear of all the other components
loosen all retaining nuts and re-align. Refer to
Exhaust System Alignment.
- Install the right exhaust manifold heat shield. Refer to
Exhaust Manifold Heat Shield Replacement - Right Side
.
- Install the right pre-catalytic convertor HO2S sensor. Refer to
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1.
- Install the engine cover. Refer to
Engine Cover Replacement.
- Connect the battery negative cable. Refer to
Battery Negative Cable Disconnection and Connection
.