Removal and installation of power supply system components (VW Tiguan 1)

Instructions: Hose connections are secured with spring and clamp clamps. Clamp clamps should always be replaced with spring clamps. Fuel hoses may only be secured to the engine with spring clamps. The use of clamp clamps and clamps with threaded fastening is not permitted.

Crash Fuel Cut-off System

The collision fuel cut-off should reduce the risk of vehicle fire after a collision by shutting off the fuel pump. At the same time, this device improves comfort when starting the engine. When the door is opened, the fuel pump is switched on for 2 seconds to create pressure in the fuel system.

Removal and installation fuel level sensor 2 "G169"

Bend the 80mm long welding wire as shown. Dimension "a" = 10mm, dimension "b": 70mm. Unlock and disconnect the wires for the fuel level sensor 2 -G169-2-.



Press the welding wire "1" in the direction of the arrow into the recess under the sensor. At the same time, push out the fuel level sensor 2 "G169" "2" in the direction of the arrow from the guides.

Installation

Insert fuel level sensor 2 "G169" into the guides and press down until it locks. Connect the connectors and check that they are securely locked. Install the fuel delivery module.

Removal and installation the fuel pump control unit "J539"

Instructions: The installation location of the fuel pump control unit "J533" is on the fuel tank.

Installation location of the fuel pump control unit "J538"

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• 1 - Bracket for fuel pump control unit "J538"
• 2 - Fuel pump control unit "J538"
• 3 - Connector

Remove the right cover from the fuel supply module, looking in the direction of travel. Disconnect connector "1".



Insert screwdriver "2" directly above the connector into the recess of the bracket. Move the screwdriver in the "direction of the arrow".




Press the screwdriver down in the "direction of the arrow" and at the same time remove the control unit on the connector from the bracket. Disconnect the control unit connector.

Installation

Insert connector "3" into control unit "2". Push control unit "2" into bracket "1" until it snaps into place. Further installation is carried out in reverse order.

Repair of electronic engine power control (electronic accelerator drive)

• 1 - Connector, black, 6-pin
• 2 - Accelerator pedal position sensor "G79" and accelerator pedal position sensor 2 "G185". Holes "A" for puller. Remove to remove front panel trim and pedal mechanism casing
• 3 - 10 Nm
• 4 - Protective cap

Removal and installation the accelerator pedal module

Remove the pedal mechanism casing. Disconnect the connector from the gas pedal assembly. Remove the plug from the top of the gas pedal assembly. Unscrew the mounting bolt. To remove the gas pedal assembly, insert the disconnecting tool "T10238" as shown in the figure until it stops in the special holes.



Carefully remove the gas pedal assembly vertically. Install in the reverse order.

Activated Carbon Absorber System

Instructions: The hose connections are secured with spring and clamp clamps. Clamp clamps should always be replaced with spring clamps. For the installation of spring clamps, it is recommended to use the spring clamp pliers -VAS 5024A-.

• 1 - Activated carbon absorber. Installation location: in the rear right wheel arch
• 2 - Connecting hose, to remove, move the locking ring
• 3 - From the fuel tank
• 4 - Ventilation line to the electromagnetic valve 1 of the "N80" absorber, secured to the fuel tank with clamps
• 5 - Ventilation line from the activated carbon absorber
• 6 - Electromagnetic valve 1 of the activated carbon absorber "N80", when the ignition is off the valve is closed, when the engine is warmed up it is controlled by a simulated signal from the engine control unit
• 7 - Connecting hose to the intake manifold, check the reliability of the fastening
• 8 - 10 Nm