smokey vp 2003

[Erwin Swart]

had 2 years ago a little smokey and small trace of fuel in my exhaust water of my vp 2003. The engine started without any problem and ran smoothly.
It annoyed me at that time and checked everything and was not able to find a problem. In the end I took out the engine and did a partial rebuild. When installed there was nothing changed. So spent some money without solving the problem. I left it as it was cause engine ran ok.
Now this winter I cleaned out my fuel tank so the fuel lines were totally empty. Filled the fueltank and started to bleed the system. It wasn´t working and found the manual fuel feeding pump wasn´t working anymore. Changed the diaphragm and bleeded the system.
Engine started and running smoothly and smoke is also disappeared.

Now I have the feeling the smoke and trace of fuel was coming from a defect feeding pump.
Have no clue the relation of the sympthoms described above with a defect of the feeding pump. Does somebody have an explanation?

many thanks

 

[Elemental]

Filled the fueltank and started to bleed the system. It wasn´t working and found the manual fuel feeding pump wasn´t working anymore. Changed the diaphragm and bleeded the system.

Where did you get the diaphragm from? The manual lift pump on mine is not working but all the suppliers I've tried claim the diaphragm isn't available.

 

[ianat182]

Keyparts did do a repair kit for the lift pumps at one time. Try a google for them.

ianat182

 

[philip_stevens]

I believe the diaphragms are now obsolete, and the new type lift pump does not have a replaceable diaphragm. I don't think the new type is dismantle-able.

Worth trying a few VP repair shops to see if they still have an old diaphragm.

Other than Keypart, there is Volspec, RKMarine, Challenger Marine, Looe Engineering, etc.