ENGINE OIL PRESSURE TEST ................................................................................................50 III. C. REGULAR MAINTENANCE:..............................................................................................................51 ENGINE OIL AND FILTER CHANGE :.........................................................................................51 I. ENGINE COOLANT REPLACEMENT :.......................................................................................53 II. AIR FILTER ELEMENT REPLACEMENT: ...................................................................................57 III. SPARK PLUG REPLACEMENT :................................................................................................58 IV. V. AIR CONDITIONER COMPRESSOR AND ALTERNATOR BELT REPLACEMENT :..................59 VI. RECEPTACLE VALVE O RING REPLACEMENT ON VEHICLE................................................60 RECEPTACLE VALVE FILTER MESH REPLACEMENT...........................................................61 VII. CNG FILTER REPLACEMENT..................................................................................................62 VIII. BI-FUEL AUTO SWITCH STRATEGY.........................................................................................65 IX. 5. REPAIR AND INSPECTION DETAILS.....................................................................................................67 A. ACCESSORY DRIVING BELT:...........................................................................................................67 B. TIMING CHAIN :.................................................................................................................................67 C. CYLINDER HEAD: .............................................................................................................................67 D. VALVES :............................................................................................................................................68 E. CYLINDER HEAD VALVE SEATS :....................................................................................................69 F. ROLLER FINGER FOLLOWER .........................................................................................................69 G. HYDRAULIC LASH ADJUSTER (HLA)..............................................................................................70 H. CAMSHAFTS (INTAKE & EXHUAST) ...............................................................................................70 PISTON AND PISTON RINGS :.........................................................................................................71 I. J. CONNECTING RODS :......................................................................................................................72 K. CRANKSHAFT :.................................................................................................................................73 L. CRANK CASE....................................................................................................................................74 M. FUEL TANK .......................................................................................................................................74 N. CANISTER PURGE VALVE................................................................................................................75 O. CANISTER .........................................................................................................................................75 6. ENGINE SYSTEM.....................................................................................................................................77 A. AIR INTAKE SYSTEM .......................................................................................................................77 B. BLOW BY SYSTEM ...........................................................................................................................79 C. LUBRICATION SYSTEM :..................................................................................................................80 D. EXHAUST SYSTEM...........................................................................................................................84 E. COOLING SYSTEM :.........................................................................................................................86 F. FUEL SYSTEM :.................................................................................................................................89 G. CNG FUEL SYSTEM LAYOUT...........................................................................................................92 1.2L REVOTRON CNG PHASE-2 ENGINE
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