Catalytic Converter (N22A) The machine combines two types of catalysts that differ in the principle of purification: in one, both oxidation at low temperature and purification from nitrogen oxides occur, and in the second, mainly purification...
Diesel engine fuel supply system The fuel coming from the tank is compressed by the fuel pump and accumulates in the common discharge pipeline. The injection timing and amount of fuel injected is controlled by the ECM, which sends a signal to the...
Bleeding the fuel system (N22A) Note. Air must be bled from the fuel after the fuel system has been dismantled for service, and after the fuel tank has run out of fuel. See here for information on the procedure. 1. Fill the tank with fuel. 2. Remove...
Inspection of the suction pipe and vent fuel line (N22A) 1. Remove access panel A from the floor. 2. Disconnect the suction hose A from the fuel pump and connect the vacuum pump B. 3. Start the engine and check the vacuum hoses and tubes. If there is a vacuum, go to step 4....
Fuel filter water priming (N22A) 1. Remove the air cleaner housing. 2. Place a container large enough to drain all the water under the fuel filter. 3. Connect the hose to the water tank cap B. 4. Unscrew the water tank cap and drain the water from the...
Removal/installation of the fuel filter (N22A) 1. Remove the air cleaner housing. 2. Disconnect connectors A. 3. Disconnect hoses B. 4. Remove fuel filter cap C. 5. Secure fuel filter A in a vise. Insert the key for the fuel filter. 6. Remove the water level...
Checking the transmitter of the fuel level indicator (N22A) Note. To view the wiring diagram of the fuel level sensor, see the wiring diagram of the gauges. 1. Check the operation of the electric fuse No. 10 (7,5 A) METER in the electrical relay/fuse box under the instrument...
Fuel Level Transmitter Replacement (N22A) 1. Remove the fuel filler cap. 2. Raise the center console and remove the parking brake lever A. 3. Remove access panel A from the floor. 4. Disconnect connector B from the fuel tank. 5. Disconnect the quick disconnect...
Checking the water level sensor in the fuel filter (N22A) 1. Perform the instrument control circuit test procedure. If the fuel gauge quickly moves from the minimum position to the maximum position, and then returns to the minimum position again, the gauge is OK. Go to step 2....
Replacing the water level sensor in the fuel filter (N22A) 1. Remove the fuel filter. 2. Secure fuel filter A in a vise. 3. Remove the water level indicator in the fuel filter B. 4. Install the part in the reverse order of removal with a new O-ring C. 5. Bleed the fuel system.
Fuel pump replacement (N22A) Withdrawal 1. Remove the engine cover. 2. Remove the air cleaner housing. 3. Disconnect the fuel pump connector A. 4. Remove high pressure pipe B. 5. Disconnect fuel hoses C. 6. Remove fuel pump D. Installation 1. Hand...
Fuel distribution system replacement (N22A) Withdrawal 1. Remove the engine cover. 2. Remove the shield and panel under the shield. 3. Disconnect FRP sensor connector A, IMRC solenoid valve connector B, fuel injector connectors C, and glow plug connectors D. 4....
Fuel tank replacement (N22A) 1. Empty the fuel tank, then disconnect the quick connectors B of the 4P connector A of the fuel tank unit A and hose C. 2. Raise the vehicle with a jack and use jack stands. 3. Remove cover D and fuel tank protector E....
Replacing the fuel temperature sensor (N22A) 1. Remove the air cleaner housing. 2. Disconnect the 2-track connector A of the fuel temperature sensor. 3. Remove the fuel temperature sensor B. 4. Install the part in the reverse order of removal with a new O-ring C....
Vacuum pump test (N22A) Note. During this test, diagnostic trouble codes may appear on the screen. At the end of the test, clear the trouble codes using HDS. 1. Remove the engine cover. 2. Remove the shield and panel under the shield. 3....
Replacing the vacuum pump (N22A) 1. Remove the intermediate shaft. 2. Remove the oil bypass tube. 3. Remove the drive chain case and drive chain. 4. Disconnect the vacuum hose. 5. Remove bolts A. 6. Remove vacuum pump B. 7. Install the sensor in the...