Timing Belt Timing Belt Em0ac-02 Components

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Timing Belt Timing Belt Em0ac-02 Components EM-14 ENGINE MECHANICAL (2JZ-GTE) - TIMING BELT TIMING BELT EM0AC-02 COMPONENTS M/T Drive Belt Tensioner Air Cleaner Duct Oil Filler Cap x 10 No.3 Timing Belt Cover Drive Belt Tensioner Damper Gasket Fan and Fluid Coupling Assembly No.2 Timing Belt Cover No.5 Air Hose Hold-Down Camshaft Timing Pulley Clamp Water Pump Pulley Battery Drive Belt Tensioner Insulator Drive Belt Idler Pulley Battery Timing Belt Gasket S No.1 Timing Belt Cover Battery Tray Crankshaft Pulley x 5 Upper Radiator Support Timing Belt Guide PS Pump Pulley Timing Belt Plate Crankshaft Timing Pulley Lower Radiator Hose Reservoir Inlet Hose Timing Belt Tensioner Radiator Assembly Lower Electric Cooling No.2 Air Tube Radiator Fan Connector Support ECT Switch A/T Connector Engine Under Cover Hose Clamp No.2 Fan Shroud Oil Cooler Tube x 16 z Non - reusable part S precoated part S00586 1997 SUPRA (RM502U) Author: Date: 1119 EM-25 ENGINE MECHANICAL (2JZ-GTE) - CYLINDER HEAD CYLINDER HEAD EM0AG-02 COMPONENTS No.1 Air Hose Air Cleaner and MAF Meter Assembly Engine Wire Protector Air Cleaner Duct Theft Deterrent Horn Drive Belt EVAP Hose Brake Booster Vacuum Hose No.5 Air Hose Hose Clamp Heat Insulator Oil Cooler Tube (A/T) No.2 Front Exhaust Pipe S Gasket Tube Clamp S Gasket Hose Clamp Front Lower Arm Bracket Stay Upper Crossmember S Extension S Pipe Support Bracket x 16 Engine Under Cover S Non-reusable part Z13597 1997 SUPRA (RM502U) Author: Date: 1130 EM-26 ENGINE MECHANICAL (2JZ-GTE) - CYLINDER HEAD Cable Bracket No.1 Vacuum Pipe Air Inlet Duct Air Hose Heated Oxygen Sensor Heated Oxygen (Bank 1 Sensor 1) Sensor Connector S Engine Wire S S Heat Insulator S Gasket S S Gasket for Turbocharger S Gasket Exhaust Gas Intake Air Control Valve S Exhaust S Connector and Bypass No.1 Air Tube S Pipe Intake Air Control Valve Exhaust Gas No.4 Air Tube and S Gasket Control Valve Air Bypass Valve Stay Assembly No.2 Turbocharger S Gasket IAC Valve Pipe Stay Turbochargers and Turbine No.1 Outlet Elbow Turbocharger Assembly Stay S Water Bypass S Hose Gasket x 8 S Gasket Exhaust Manifold No.1 Turbo S Gasket S x 12 Oil Pipe Water Bypass S Gasket Hose Water Outlet S Gasket S O-Ring S Gasket No.1 Water Bypass Pipe S Gasket Gasket No.2 Turbo Crankshaft Position Oil Pipe Sensor Connector S O-Ring VSV Assembly Engine Wire VSV Connector VSV Connector for Waste Gate Valve foe Exhaust Gas Control Valve S Non-reusable part A02937 1997 SUPRA (RM502U) Author: Date: 1131 EM-27 ENGINE MECHANICAL (2JZ-GTE) - CYLINDER HEAD S Gasket Throttle Body Throttle Position Sensor Connector Sub-Throttle Actuator Connector Sub-Throttle Position Sensor Connector Control Cable IAC Valve Pipe Bracket and Cable Air Hose Water Bypass Hose Vacuum PS Air Hose Hose Air Intake EVAP Hose Air Chamber Stay S Hose Gasket Engine Wire Protector IAC Valve EGR Pipe Connector VSV Connector for EGR Engine Wire Protector MAP Sensor Connector VSV Connector for Fuel Pressure Control Ground Cable Brake Booster Filler Cap Vacuum Hose No.3 Timing Belt Cover x 10 x 5 EGR Gas Temperature Sensor Connector Water Bypass hose Air Intake Chamber Ignition Coils Assembly Vacuum Hose PS Air Hose Pressure Tank No.4 Water and VSV Assembly Bypass Hose Engine Wire Bracket No.4 Water Bypass Pipe Engine Wire Protector Engine Wire Clamp S Gasket Manifold Stay Fuel Inlet Pipe Timing Belt Fuel Pressure Vacuum Sensing Hose Pulsation Damper Intake Manifold and Delivery Pipe Assembly Gasket No.2 Timing S Gasket Belt Cover S Gasket S Gasket PS Vane Pump x 6 Dust Cover Fuel Return Hose Drive Belt Tensioner Engine Wire Bracket Timing Belt Tensioner M/T Drive Belt Tensioner Oil Dipstick and Oil Dipstick and Guide for Transmission Guide for Engine S Drive Belt Tensioner Damper O-Ring S O-Ring S Non-reusable part S05506 1997 SUPRA (RM502U) Author: Date: 1132 EM-28 ENGINE MECHANICAL (2JZ-GTE) - CYLINDER HEAD x 6 No.1 Cylinder Head Cover Cruise Control Actuator Cable Bracket x 6 No.2 Cylinder Head Cover IAC Valve Pipe Clamp PCV Valve Exhaust Camshaft Adjusting Shim Camshaft Bearing Cap x 14 Valve Lifter Keeper Spring Retainer Valve Spring Intake Camshaft Spring Seat S O-Ring S Oil Seal S Valve Guide Bushing No.4 Timing Belt Cover Valve Camshaft Timing Pulley Heater Water Hose x 14 Heater Union Spark Plug x 8 EGR Cooler Front Engine Hanger S Gasket Gasket Ground Strap Cylinder Head Gasket Water Bypass Hose Rear Engine Hanger S Cylinder Head Gasket Camshaft Position Sensor S Non-reusable part S00587 1997 SUPRA (RM502U) Author: Date: 1133 EM-34 ENGINE MECHANICAL (2JZ-GTE) - CYLINDER HEAD EM0AI-02 DISASSEMBLY 1. REMOVE ENGINE HANGERS AND GROUND STRAP 2. REMOVE CAMSHAFT POSITION SENSORS 3. REMOVE EGR COOLER P12293 4. REMOVE VALVE LIFTERS AND SHIMS HINT: Store the valve lifters and shims in correct order. P02267 5. REMOVE VALVES (a) Using SST, compress the valve spring and remove the 2 keepers. SST 09202-70020 (09202-00010) (b) Remove the spring retainer, valve spring, valve and spring seat. HINT: Store the valves, valve springs, spring seats and spring retain- SST P12308 ers in correct order. (c) Using needle-nose pliers, remove the oil seal. 1997 SUPRA (RM502U) Author: Date: 1139 EM-35 ENGINE MECHANICAL (2JZ-GTE) - CYLINDER HEAD EM0AJ-02 INSPECTION 1. CLEAN TOP SURFACES OF PISTONS AND CYL- INDER BLOCK (a) Turn the crankshaft, and bring each piston to top dead center (TDC). Using a gasket scraper, remove all the car- bon from the piston top surface. P02137 (b) Using a gasket scraper, remove all the gasket material from the top surface of the cylinder block. (c) Using compressed air, blow carbon and oil from the bolt holes. CAUTION: Protect your eyes when using high pressure-compressed air. P02110 2. REMOVE GASKET MATERIAL Using a gasket scraper, remove all the gasket material from the cylinder block surface. NOTICE: Be careful not to scratch the cylinder block contact sur- face. P02131 3. CLEAN COMBUSTION CHAMBERS Using a wire brush, remove all the carbon from the combustion chambers. NOTICE: Be careful not to scratch the cylinder block contact sur- face. P02128 4. CLEAN VALVE GUIDE BUSHINGS Using a valve guide bushing brush and solvent, clean all the guide bushings. P02072 1997 SUPRA (RM502U) Author: Date: 1140 EM-36 ENGINE MECHANICAL (2JZ-GTE) - CYLINDER HEAD 5. CLEAN CYLINDER HEAD Using a soft brush and solvent, thoroughly clean the cylinder head. P02129 6. INSPECT FOR FLATNESS Using precision straight edge and feeler gauge, measure the surfaces contacting the cylinder block, intake and exhaust manifolds for warpage. Maximum warpage: 0.10 mm (0.0039 in.) If warpage is greater than maximum, replace the cylinder head. Z09528 7. INSPECT FOR CRACKS Using a dye penetrant, check the combustion chamber, intake ports, exhaust ports and cylinder block surface for cracks. If cracked, replace the cylinder head. P02136 8. CLEAN VALVES (a) Using a gasket scraper, chip off any carbon from the valve head. (b) Using a wire brush, thoroughly clean the valve. EM0580 1997 SUPRA (RM502U) Author: Date: 1141 EM-37 ENGINE MECHANICAL (2JZ-GTE) - CYLINDER HEAD 9. INSPECT VALVE STEMS AND GUIDE BUSHINGS (a) Using a caliper gauge, measure the inside diameter of the guide bushing. Bushing inside diameter: 6.010 - 6.030 mm (0.2366 - 0.2374 in.) Z02413 (b) Using a micrometer, measure the diameter of the valve stem. Valve stem diameter: Intake 5.970 - 5.985 mm (0.2350 - 0.2356 in.) Exhaust 5.965 - 5.980 mm (0.2348 - 0.2354 in.) (c) Subtract the valve stem diameter measurement from the guide bushing inside diameter measurement. Standard oil clearance: Z00052 Intake 0.025 - 0.060 mm (0.0010 - 0.0024 in.) Exhaust 0.030 - 0.065 mm (0.0012 - 0.0026 in.) Maximum oil clearance: Intake 0.08 mm (0.0031 in.) Exhaust 0.10 mm (0.0039 in.) If the clearance is greater than maximum, replace the valve and guide bushing. 10. INSPECT AND GRIND VALVES (a) Grind the valve enough to remove pits and carbon. (b) Check that the valve is ground to the correct valve face angle. Valve face angle: 44.5° 44.5° Z00054 (c) Check the valve head margin thickness. Standard margin thickness: 0.8 - 1.2 mm (0.031 - 0.047 in.) Minimum margin thickness: 0.5 mm (0.020 in.) If the margin thickness is less than minimum, replace the valve. Margin Thickness EM0181 1997 SUPRA (RM502U) Author: Date: 1142 EM-38 ENGINE MECHANICAL (2JZ-GTE) - CYLINDER HEAD (d) Check the valve overall length. Standard overall length: Intake 98.29 - 98.79 mm (3.8697 - 3.8894 in.) Exhaust 98.84 - 99.34 mm (3.8913 - 3.9110 in.) Overall Length Minimum overall length: Intake 98.19 mm (3.8657 in.) Exhaust 98.74 mm (3.8874 in.) If the overall length is less than minimum, replace the valve. EM2534 (e) Check the surface of the valve stem tip for wear. If the valve stem tip is worn, resurface the tip with a grinder or replace the valve. NOTICE: Do not grind off more than the minimum overall length. EM0255 11. INSPECT AND CLEAN VALVE SEATS 45° (a) Using a 45° carbide cutter, resurface the valve seats. Carbide Cutter Remove only enough metal to clean the seats. P02127 (b) Check the valve seating position. Apply a thin coat of prussian blue (or white lead) to the valve face. Lightly press the valve against the seat. Do not rotate the valve. (c) Check the valve face and seat for the following: Width S If blue appears 360° around the face, the valve is concentric.
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