NANO

234 ENGINE 273 MPFI Installation 1. Tighten hexagonal nut of lambda sensor to specified torque. 2. Connect the electrical connector of lambda sensor. Ensure the electrical connector is properly locked as shown 3. Refit rear shelf. (Refer Rear Shelf installation procedure/Body Group) Exhaust manifold with catalytic converter Removal 1. Disconnect the electrical connector of lambda sensor. 2. Remove silencer assembly. (Refer silencer assembly removal procedure) 3. Remove mounting nuts of exhaust manifold assembly and take out exhaust manifold assembly along with catalytic converter. Installation 1. Align and tighten four nuts of exhaust manifold assembly to specified torque (engine side) 2. Install silencer assembly. (Refer silencer assembly installation procedure) 3. Connect the electrical connector of lambda sensor. 4. After Installation, start the engine & check each joint of exhaust system for leakage. NOTE : 1. Assemble cold end and hot end by fastening at flange location. 2. Ensure that adjustment in catalytic converter support mount ing bracket is done before tightening the fasteners. 3. There should not be any pretension of hot end