100 4 DLT ENGINE a. Removing - Refitting Exhaust front pipe (Fig. 189) - Disconnect the exhaust front exhaust pipe by removing the 3 bolts. - Remove exhaust pipe from assy. pipe from rear side. b. Removing - refitting exhaust assy. catalytic convertor pipe, assy. 'J' pipe, assy.main silencer with pipe, rear intermediate pipe and assy. tail pipe. - Disconnect the assy. pipes one by one by removing the screws from joints and from the rubber hangers. c. Tightening torques. At - Manifold end - 6.4 mkg At - Other joints - 3.2 mkg MAINTENANCE Warning : To avoid the danger of being burned, do not touch the exhaust systemwhen the system is hot. Any service on the exhaust system should be performed when the system is cool. At every interval of periodic maintenance service, and when vehicle is raised for other service, check exhaust system as follows : l Check rubber mount ings for damage, deterioration, and out of position. l Keep sufficient clearance between exhaust system components and underbody or adjust parts. l Check exhaust system for leakage, loose connection, dent and damage. If bolts or nuts are loosened, tighten them to specified torque. l Check nearby body areas for damage, missing or mispositioned part, open seam, hole, loose connection or any other defect which could permit exhaust fumes to seep into vehicle. ON VEHICLE SERVICE EXHAUSTMANIFOLD l Check gasket for deterioration or damage. Replace them as necessary. EXHAUST PIPE For replacement of exhaust pipe, be sure to hoist vehicle and observeWARNING under "Maintenance" and following. Caution : As exhaust pipe and pre-catalytic converter have three way catalytic converter in it, it should not be exposed to any impulse. Be careful not to drop it or hit it against something. l Tighten bolts and nuts to specified torque when reassembling. l After installation, start engine and check each joint of exhaust system for leakage. Fig. 189 Fig. 190 Exhaust silencer
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