{"model":"mk3","model_name":"MK3 Supra","vehicle":"Toyota Supra A70 (1986.5–1992, 7M-GE / 7M-GTE)","document":"Repair Manual","section":"EM","section_name":"Engine Mechanical","page":7,"pages_in_section":98,"title":"Engine Tune-Up","section_header":"Engine Mechanical — Engine Tune-Up","ocr_text":"ENGINE TUNE-UP\n\nINSPECTION OF ENGINE COOLANT\n(See page CO-5)\n\nINSPECTION OF ENGINE OIL\n(See page LU-4)\n\nINSPECTION OF AIR FILTER\n(See page MA-5)\n\nINSPECTION OF BATTERY\n(See page CH-2)\n\nINSPECTION OF HIGH-TENSION CORDS\n(See pages IG-6, 11)\n\nINSPECTION OF SPARK PLUGS\n(See page IG-7)\n\nINSPECTION OF DRIVE BELTS\n(See page MA-4)\n\nINSPECTION OF IGNITION TIMING\n(See page IG-20)\n\nINSPECTION AND ADJUSTMENT OF VALVE CLEARANCE\n\nHINT: Check and adjust the valve clearance while the engine is cold.\n\n(7M-GE)\n\n1. DRAIN COOLANT\n(See page CO-5)\n\n2. REMOVE NO. 1 AIR CLEANER HOSE WITH AIR CONNECTOR PIPE\n\n3. 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