Fuel system (diesel) car Toyota Corona 9 (T190)

Replacing the fuel filter
1. Remove the fuel filter assembly with the fuel filter support. 2. Loosen the drain plug and drain the fuel from the fuel filter. 3. Using pliers, unscrew the water presence sensor and remove the O-ring. Note: Do not...

Fuel heating system
Checking components 1. Remove the fuel heater. 2. Checking the fuel heater. a) Create a vacuum of 300 mmHg or more to the vacuum switch channel. b) Using an ohmmeter, measure the resistance between terminal "1" and the...

Removal fuel injectors
1. Loosen the nuts and remove the high pressure fuel line clamp. 2. Remove the high pressure fuel pipes. a) Remove the high pressure fuel pipe holders b) Unscrew the coupling nuts of the high-pressure fuel pipe fittings...

Checking fuel injectors
1. Checking the injection pressure. a) Install the injector on the test stand. b) Pump the fuel injection lever quickly several times to create pressure to clear the nozzle opening. c) Slowly pump the lever and use the...

Disassembly, cleaning and checking the condition of the injectors
Disassembling the injector: 1 - injector coupling nut, 2 - spacer, 3 - spring, 4 - injector body, 5 - adjusting washer, 6 - pusher, 7 - body and spray needle 1. Disassembling the fuel injector. a) Using a special tool,...

Assembly and installation of fuel injectors
1. Assemble the nozzle. Using a special tool, tighten the clamping nut. Tightening torque: 27 Nm. Note: Do not overtighten the coupling nut. 2. Check the injection pressure and fuel atomization pattern. 3. Install the...

Removal the high pressure fuel pump (HPFP)
Parts for removing and installing the injection pump: 1 - fuel injection pump drive pulley; 2 - tension spring; 3 - timing belt cover No.3; 4 - sealing washer; 5 - solenoid valve with hoses; 6 - glow plug connecting...

Checking the high pressure fuel pump (HPFP)
1. Check the fuel shut-off solenoid valve. 2C a) Connect the terminal and body of the solenoid valve to the corresponding terminals of the battery b) When the contacts close and open, a characteristic click should be...

Adjusting the high pressure fuel pump (HPFP)
1. Preliminary check and preparation for adjustment of the fuel injection pump on the stand. a) Type and adjustment of bench injectors. Fuel test bench control nozzle type — DN12SD12 (NIPPONDENSO). The pressure at which...

Disassembly and assembly of the high-pressure fuel pump (HPFP)
Parts for disassembling and assembling the fuel injection pump: 1 - internal return spring; 2 - external return spring; 3 - control lever No.1; 4 - damper control lever; 5 - control lever No.2; 6 - fuel injection pump...

Installation of high pressure fuel pump (HPFP)
1. Install the fuel supply pipe on the high-pressure fuel pump. 2. Install the rear fuel injection pump bracket. 3. Install the fuel injection pump: a) Align the timing marks on the fuel injection pump and coolant pump....

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Corona T190 (1992-1997)