seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

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Regulation of auxiliary heater Thermo Top V > < Check conditions:

Leon Mk2

Check:
Check:
  WARNING
Danger of fuel escaping.
Fuel system is under pressure.
Before opening the system place a cloth around the connection. Then release pressure by carefully loosening the connection.
–  Disconnect fuel line at metering pump -V54- and seal using suitable means.
   
–  Connect the 300 mm long fuel hose to the metering pump -V54-.
–  Hold measuring glass at same height as auxiliary heater.
–  Using vehicle diagnosis, testing and information system -VAS 505X-, open guided function „Check quantity of fuel delivered“ (open fuel line for metering pump -V54-) and start.
After approx. 30 seconds, the fuel line is filled and bled.
–  Seal fuel line.
  N82-10452
–  Empty measuring glass.
–  Hold measuring glass at same height as auxiliary heater.
–  Using vehicle diagnosis, testing and information system -VAS 505X-, open guided function „Check quantity of fuel delivered“ (open fuel line for metering pump -V54-) and start.
Fuel supply finishes after approx. 120 seconds.
–  Connect connector to fuel line.
–  Read measuring glass. Fuel delivery rate for petrol and diesel: 22 to 28 ml.
–  If fuel delivery rate is not within specifications, renew metering pump -V54-.
  Note
t  If the ambient temperature is above 20 °C, fuel vaporisation may lead to incorrect measurements.
t  No bubbles are to be delivered.
  N82-10452

Regulation of auxiliary heater Thermo Top V > < Check conditions: