Fuel supply module and fuel level sensor 1. Fuel supply module: electrical check of fuel supply. pump -G6-; after installation, fill the vehicle with at least 5 liters of fuel; 2. Lip seal: replace; install dry; 3. Retaining ring: remove and install using a mandrel -T10202-; tighten with a tightening torque of 110 Nm; 4. Fuel line: to the metering pump on vehicles with an autonomous heater; do not bend; to disconnect from the flange, press the fitting lock; clipped onto the fuel tank; 5. Fuel supply line: to the control valve; do not bend; to disconnect from the flange, press the fitting lock; When installing, follow the direction (feed or return return), indicated by the arrow on the locking flange; clipped to fuel tank; 6. Return fuel. line: from the control valve; do not bend; to disconnect from the flange, press the fitting lock; When installing, follow the direction (feed or return return), indicated by the arrow on the locking flange; clipped to fuel tank; 7. Electrical plug connection: for fuel pumping. pump -G6- and fuel level sender -G-; 8. Fuel level indicator sender -G-
Electrical check of fuel booster. pump -G6- (in fuel tank) only vehicles with engine letter: SANA, SANV, CAGA, CAGB, CCWA, CCWB
Use a mounting wedge -3409- -arrow- to pry off the side cover -1- of the front panel on the driver's side and remove it.
Remove fuse 3 on the fuse block. C -SC3- (ST2 - pos. 2- brown, 3, large fuse on top -arrow-). Connect the VAG 1348 remote control unit -VAG 1348/3A- with adapter cable -VAG 1348/3-2- to the right terminal of the fuse socket -SC3-. Route the remote control switch forward into the engine. compartment.
Unlock and remove the cover -2- by pressing the area marked -arrow A-. Unlock lock -arrow B- and open cover -1-.
Connect the clamp terminal to the terminal of the external starter current source -U6--pos. 1 - in the terminal block for terminal. 30 -TV22- in the plenum chamber. -Pos. 2- do not take into account.
Press the remote control switch. You need to hear how the pump works. The fuel pump is very quiet. Avoid any extraneous noise during testing.
If you cannot hear the pump running: Remove 1/3 of the rear seat on the right. Unscrew bolts -arrows- and remove cover -1- from sealing flange. Disconnect plug -1 - from flange.
To do this, move the stopper -1 - upward -arrow A- and press the release button inwards -arrow B-.
Connect a multimeter to measure the voltage between pins -1- and -5- of the connector. Press the remote control switch.
Set value: approximate battery voltage. If the specified value is not reached: repair the wire break according to the electrical diagram. If the set value is reached, although the sound of the pump is not heard: remove the fuel supply unit. Check the correct connection and electrical patency. wires between the flange and the fuel. pump. If no damage to the wires is found, replace the fuel supply module. Install the fuel supply module.
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