VW Golf manuals

Volkswagen Golf Service & Repair Manual: Removing and installing fuel line for auxiliary/supplementary heater

Removing
–  Observe safety precautions → Chapter.
–  Observe rules for cleanliness → Chapter.
–  Fuel tank must not be more than 3/4 full. This ensures that the fill level is below the flange of the fuel delivery unit.
–  Draining fuel tank → Chapter
–  Remove rear bench seat → General body repairs, interior; Rep. gr.72.
   
–  Unclip cover -1- for flange at retaining tabs -arrows-, using removal wedge -3409-.
 

Removing and installing fuel line for auxiliary/supplementary heater

–  Unclip sealing grommet -1- downwards from cover -2-.
–  Push cover -2- back along wiring harness -3-.
 

Removing and installing fuel line for auxiliary/supplementary heater

Vehicles with front-wheel drive
–  Release and pull off connector -1- on sealing flange.
–  If fitted, detach connector -2- for metering pump -V54- of auxiliary heater on sealing flange and lay connector aside.
 

Removing and installing fuel line for auxiliary/supplementary heater

Vehicles with four-wheel drive:
–  Release and pull off connectors -1- and -2- on sealing flange.
–  If fitted, detach connector -3- for metering pump -V54- of auxiliary heater on sealing flange and lay connector aside.
 

Removing and installing fuel line for auxiliary/supplementary heater

If the fuel line for metering pump -V54- is to be disconnected from fuel delivery unit:
–  Open lower clamp -3- on sealing flange -1-.
The fuel system is pressurised.Risk of injury due to fuel which may spurt out.Wear eye protection.Wear protective gloves.Release pressure: place clean cloth around connection and carefully open connection.
–  Do not open upper clamp -4-.
–  Pull fuel line -2- together with grommet off sealing flange.
If a new fuel delivery unit is installed:
–  Remove fuel line → Anchor.
 

Removing and installing fuel line for auxiliary/supplementary heater

–  Remove fuel delivery unit → Chapter.
–  The connection on the fuel delivery unit -2- must be opened.
–  To do this, cut off sealing piece -3- on connection -1-.
–  Cut it off on the respective marking line -arrow-.
–  Deburr edges of cutting point.
–  Prevent any dirt or swarf from entering the fuel delivery unit.
–  Check fuel delivery unit for soiling, and clean it as necessary.
–  Install fuel delivery unit → Chapter.
 

Removing and installing fuel line for auxiliary/supplementary heater

Installing fuel line:
–  Insert fuel line -3- in connection -5-.
–  Insert fuel line to stop -arrow-.
–  While doing this, fit grommet -1- over connection.
–  Renew lower clamp -4-.
–  If the fuel line or grommet has been renewed, the upper clamp must be renewed as well.
–  Renew clamps -2- and -4-, if they have been opened.
–  Secure hose connections with the hose clips corresponding to original equipment.
Specified torques
→ Chapter „Assembly overview - fuel delivery unit and fuel gauge sender“
 

Removing and installing fuel line for auxiliary/supplementary heater

Removing and installing fuel delivery unit/fuel gauge sender, vehicles with four-wheel drive
Special tools and workshop equipment required     Special wrench -T10202-   ...

Senders and sensors
...

Other materials:

Air conditioning system pressure switch -F129
This pressure switch has 3 functions: 1. Switches radiator fan to next higher speed when pressure increases in refrigerant circuit (approx. 16 bar). 2. Switches the air conditioning system off in the event of excess ...

Removing and fitting head restraints
Fig. 48 Removing the front head restraint Fig. 49 Removing the rear head restraint First read and observe the introductory information and safety warnings Every seat is fitted with a head restraint. The front head restraints are intended solely for use with the front seats, and the centr ...

Removing and installing tank pressure sensor -G400
Removing   Note The tank pressure sensor -G400- is located in the pressure regulating valve on the activated charcoal filter → Chapter. –  Remove activated charcoal filter → ...

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