Trooper LS V6-35L (1998) Catalytic Converter LH Repair
Three Way Catalytic (TWC) Converter: Service and Repair
Three Way Catalytic Converter LH (Automatic Transmission)
REMOVAL
1. Disconnect battery ground cable.
2. Raise the vehicle and support with suitable safety stands.
3. Disconnect front 02 sensor harness connector and rear O2 sensor harness connector (2)(3).
4. Remove exhaust front pipe fixing three stud nuts (1) from exhaust manifold side and two nuts (4)(5) from rear end of exhaust front pipe (6).
INSTALLATION
1. Install exhaust front pipe (6) and tighten three studs nuts (1) and two nuts (4)(5) to the specified torque.
Torque:
Stud nuts: 67 Nm (49 ft. lbs.)
Nuts: 43 Nm (32 ft. lbs.)
2. Reconnect O2 sensor harness connector (2)(3).
