bernie Posted June 6, 2009 Share Posted June 6, 2009 I get a occasinal ticking noise from my fuel line, Well put it another way, you can hear a ticking when you pull up at a junction, you can feel a vibration through the fuel line under the vehicle that corresponds with the ticking, blip the throttle and ticking disapeers. There is no sign of air getting in, or fuel leaking anywhere, My only thought is that a pump may be on the way out, can anyone offer any ideas. Is there a pump in the tank Quote Link to comment Share on other sites More sharing options...
western Posted June 6, 2009 Share Posted June 6, 2009 vehicle model/engine info would help, pump in tank on Td5 & some V8's but not on other models. Quote Link to comment Share on other sites More sharing options...
bernie Posted June 6, 2009 Author Share Posted June 6, 2009 vehicle model/engine info would help, pump in tank on Td5 & some V8's but not on other models. Its a 110 1993 300TDI, the noise has only started in the last month, never heard it before, You can hear it coming through the floor when sitting in it at junctions, this is why i went staight to fuel line. Quote Link to comment Share on other sites More sharing options...
western Posted June 6, 2009 Share Posted June 6, 2009 no pump in the tank, might be the vacuum pump. Quote Link to comment Share on other sites More sharing options...
bernie Posted June 7, 2009 Author Share Posted June 7, 2009 Is that the same as the lift pump? Quote Link to comment Share on other sites More sharing options...
western Posted June 7, 2009 Share Posted June 7, 2009 nope, lift pump is on the engine [lifts fuel from the tank to fuel filter] vacuum pump provude a vacuum source for the brake servo. Quote Link to comment Share on other sites More sharing options...
bernie Posted July 6, 2009 Author Share Posted July 6, 2009 Problem solved it was the lift pump Quote Link to comment Share on other sites More sharing options...
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