Volkswagen Golf Service & Repair Manual: Checking metering pump -V54- with end sealing valve

Volkswagen Golf Service & Repair Manual / Auxiliary heater / Aux. heater/heater booster / Fuel supply system / Checking metering pump -V54- with end sealing valve

–	If you are uncertain as to whether the metering pump -V54--C- has an end sealing valve or not, connect e.g. hand vacuum pump -VAS 6213- to connection -A-.

–	Use hand-operated vacuum pump to a generate a vacuum of approx. 0.8 bar.

Connection -B- should be open.

Vacuum is maintained on metering pumps -V54- with end sealing valve.

Checking metering pump -V54- with end sealing valve

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