H. SCHEMATIC DIAGRAM OF CNG INJECTION SYSTEM..................................................................94 CNG FUEL SYSTEM COMPONENTS...............................................................................................99 I. 7. ENGINE ON VEHICLE SERVICE PROCEDURE...................................................................................104 A. ENGINE REMOVAL AND REFITMENT ..........................................................................................104 B. AIR FILTER ASSEMBLY REMOVAL.................................................................................................110 C. FUEL RAIL AND INJECTOR ............................................................................................................111 D. SPARK PLUG REMOVAL.................................................................................................................112 E. EXHAUST SYSTEM REMOVAL.......................................................................................................112 F. FUEL SYSTEM.................................................................................................................................117 G. COOLING SYSTEM.........................................................................................................................122 H. COMPRESSOR AND ALTERNATOR BELT REMOVAL...................................................................126 TIMING CHAIN REMOVAL...............................................................................................................127 I. J. WATER PUMP..................................................................................................................................131 K. SOLENOID ......................................................................................................................................132 L. ELECTRONIC THROTTLE BODY...................................................................................................133 M. STARTER MOTOR...........................................................................................................................133 N. ALTERNATOR ..................................................................................................................................134 O. COMPRESSOR................................................................................................................................134 P. INJECTION SYSTEM.......................................................................................................................135 Q. CNG FUEL SYSTEM........................................................................................................................138 R. MOON VALVE REMOVAL / REPLACEMENT PROCEDURE..........................................................146 S. HIGH PRESSURE LINE...................................................................................................................156 T. FUEL FILLER BOWL........................................................................................................................157 U. FUEL FLAP SWICTH .......................................................................................................................159 8. ENGINE OVEHAULING (ON OVERHAUL STAND)..............................................................................161 A. ENGINE DIS-ASSEMBLY.................................................................................................................161 REMOVAL OF INTAKE MANIFOLD ..........................................................................................161 I. REMOVAL OF EXHAUST MANIFOLD ......................................................................................162 II. REMOVAL OF OIL SUMP..........................................................................................................164 III. REMOVAL OF SENSORS.........................................................................................................164 IV. V. REMOVAL OF ACCESSORIES.................................................................................................165 VI. REMOVAL OF TIMING CHAIN..................................................................................................168 REMOVAL OF CYLINDER HEAD AND CAMSHAFT...............................................................170 VII. REMOVAL OF CYLINDER HEAD SUB-ASSEMBLIES...........................................................171 VIII. REMOVAL OF CYLINDER BLOCK SUB-ASSEMBLIES...........................................................173 IX. 1.2L REVOTRON CNG PHASE-2 ENGINE
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