Question about 2003 Volkswagen Jetta TDI
The fuel pump is part of a fuel pump module Assembly located inside the fuel tank, this is the problem you have, so you will need to replace the fuel pump module Assembly, see picture below.
Here are the instructions to replace the pump, remember there is a fire hazard here, also when done and testing remember the pump only runs for one second unless the engine is cranking or started..
The fuel pump Module is accessible through the trunk floor, pull the trunk liner out, then remove the 3 screws that are on the black cover on the passenger side of the trunk floor. The first thing I would do at this point would be to check the wiring connector to the fuel pump and sender, make sure the connector shell isn't burnt looking or the wires discolored from heat, if you find this contact your local VW dealer for a repair connector. There are 4 wires in the plug there. The 2 SMALLER wires are for the fuel gauge, the other 2 BIG wires are for the fuel pump. at this point make sure the brown wire is a good ground to the pump (the brown wire) for resistance to the body, it should be less than three ohms, now remove the two fuel lines and vent hose (this may require a special tool to release fuel lines, you can buy that from any Napa or Carquest parts store, to release the fuel pump lock ring move it clockwise, lift the fuel pump module up and out, keep a rag handy to soak up fuel, put everything back together in reverse order.
Posted on Nov 13, 2010
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Posted on Jan 02, 2017
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