NANO

232 ENGINE 273 MPFI SILENCER ASSEMBLY Removal 1. Remove two bolts (sr. no.1 as shown in fig) of flange assembly . 2. Remove two bolts (sr. no.2 as shown in fig) of silencer bracket and take out silencer assembly. Inspection 1. Check flange gasket for deterioration or damage. Replace if required. 2. Check the inlet pipe for cracks. 3. Check the inlet pipe and flange welding. Check for flange flatness. Machining of the flange is to be done (0.5 cut) if required to achieve recommended flatness. (0.2 mm) 4. Check for any damage or crack to silencer. Installation 1. Align the silencer and tighten silencer bracket bolts to specified torque. 2. Tighten two bolts of flange assembly to specified torque. SYSTEM MAINTENANCE Precautions: Following points should be noted while working on exhaust system or handl ing exhaust system components. 1 Do not touch the exhaust system when the system is hot to avoid personal injury. 2 Any service on the exhaust system should be performed when the system is cold. 3 Keep sufficient clearance between exhaust system components & underbody. If some deviation is found, correct / or adjust it. 4 Check exhaust system for leakage, loose connection, dent or damage. If nut or bolts found loose, tighten them to specified torque. 5 Check nearby body areas for damage, missing or mispositioned parts, open seam, hole, loose connection or any other defect which could permit exhaust fumes to sip into vehicle. 6 Avoid Idling the engine with any of the Spark Plug Cable disconnected during diagnostic test. 7 Drive slowly without acceleration in case of following symptoms: (a) When engine misfires or runs irregularly, following a cold start (b) A significant loss of power is noticed. (c) In case “SERVICE” indicator remains ON even after engine has been started.