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

Fuel filter replacement
1. Remove the fuel filter assembly with fuel filter support. 2. Loosen the drain plug and drain the fuel from the fuel filter. 3. Using pliers, unscrew the water sensor and remove the O-ring. Note: Be careful not to...

Fuel heating system
Component Check 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 the terminal "1" and...

Removing fuel injectors
1. Turn away nuts and remove a clip of fuel pipes of a high pressure. 2. Remove the high pressure fuel pipes. A) Remove the high pressure fuel line holders b) Loosen the union nuts of the high-pressure fuel pipes on the...

Checking fuel injectors
1. Check injection pressure. A) Install the nozzle on the stand for testing. b) Move the fuel injection lever rapidly several times to build up pressure to clear the nozzle opening. V) Slowly swing the lever and read...

Dismantling, cleaning and checking the condition of the injectors
Nozzle disassembly: 1 - injector coupling nut, 2 - spacer, 3 - spring, 4 - injector body, 5 - adjusting washer, 6 - pusher, 7 - atomizer body and needle 1. Disassembly of the fuel injector. A) Loosen the injector union...

Assembly and installation of fuel injectors
1. Assemble the nozzle. Using the special tool, tighten the coupling nut. Tightening torque: 27 Nm. Note: overtightening of the coupling nut is not allowed. 2. Check injection pressure and fuel spray pattern. 3. Install...

Removing the high pressure fuel pump (injection pump)
Details for removing and installing injection pump: 1 - a pulley for the high-pressure fuel pump drive; 2 - tension spring; 3 - cover No. 3 of the timing belt; 4 - sealing washer; 5 - electro-pneumatic valve with hoses;...

Checking the high pressure fuel pump (injection pump)
1. Check the fuel cut off solenoid valve. 2C A) Connect the solenoid valve lead and body to the appropriate battery terminals b) When closing and opening the contacts, a characteristic click should be heard. If there is...

High pressure fuel pump adjustment (injection pump)
1. Preliminary check and preparation for adjustment of high pressure fuel pump at the stand. A) Type and adjustment of bench nozzles. Type of control nozzles of the fuel stand - DN12SD12 (NIPPONDENSO). The pressure of...

Disassembly and assembly of the high pressure fuel pump (injection pump)
Details for disassembly and assembly of 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 - position sensor of the...

High pressure fuel pump installation (injection pump)
1. Install the fuel supply pipe on the injection pump. 2. Install the rear injection pump bracket. 3. Install injection pump: A) Align the alignment marks on the high pressure fuel pump and the coolant pump. b)...