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+--- Thread: 11mm problems (/showthread.php?tid=20186)
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RE: 11mm problems - darrenjlobb - 10-01-2014
Get a video of it running.
Sounds like a tight vane pump, let it idle, pull the return pipe off the pump, should be diesel flowing out, if you rev it this flow should increase, if theres no flow at idle then you have seized a few rotors in the pump. Happens all the time, takes about 48 hours in a dry pump for this to occur as the diesel goes sticky / jams them, made 50x worse if the pump is left with veg oil in.
You most likely have 1-2 vanes working hence why it runs, but IP is down and second you rev it you over demand it.
Sometimes a good hard thrashing can free them up, squirt a load of penetrating oil down the pump inlet etc, but normally i just tear the pumps apart and free it, wont cost anything to fix if you do it yourself, dont need parts, they will literally just be stuck thats all.
Darren
RE: 11mm problems - LewisG306 - 10-01-2014
A few people have said it could be vane pump.. I don't have a clue what these are lol , still got a lot to learn about the pumps etc.
Thanks for your help anyway, going to get it free'd up and resealed in the next couple of weeks then hopefully back on before too long
RE: 11mm problems - Tom - 10-01-2014
![[Image: IMG_20140110_203454_zps4zzet2y3.jpg]](http://s817.photobucket.com/user/tomw1123/media/IMG_20140110_203454_zps4zzet2y3.jpg.html)
Ala one seized vane pump. The 4 vanes are supposed to be free and moving and these are all stuck solid in the main... bit.