Hogie Posted April 9, 2018 Share Posted April 9, 2018 Hi Folks, I've had this problem recur a couple of times and thought I had fixed it but I got caught out with it again yesterday. In the top cover of the mechanical fuel pump there are two Non-Return Valves (NRV's) One of these valves is not fitted tight enough and originally dropped down and sat on the diaphragm - easily sorted IF you know whats happening. I had peened the surround of the hole to lock the valve in place and also fitted a retaining washer - but the cunning blighter still escaped. Roger Quote Link to comment Share on other sites More sharing options...
nang Posted April 13, 2018 Share Posted April 13, 2018 Presuming it's fairly new, take it back to the supplier as not fit for purpose. Never really satisfactory bodging it as you have had to. Tony. Quote Link to comment Share on other sites More sharing options...
Hogie Posted April 13, 2018 Author Share Posted April 13, 2018 Hi Tony, it is over 20 years old so I think the warranty has expired. Some faults on these repro parts do not show themselves too quickly. The repair I have carried out is engineered 😉 not bodged🙁 but I am capable of a good bodge or two. Roger Quote Link to comment Share on other sites More sharing options...
Hogie Posted May 23, 2018 Author Share Posted May 23, 2018 https://www.youtube.com/watch?v=sQHRB2ElZJ0 This is a nice demo for a helicoil Not really related to the pump Roger Quote Link to comment Share on other sites More sharing options...
Dannyb Posted May 23, 2018 Share Posted May 23, 2018 I would not trust a replacement mechanical pump as the last one I brought intermittently put out 9 lb of pressure. I have now gone for an electric pump no problems. Quote Link to comment Share on other sites More sharing options...
Paudman Posted May 24, 2018 Share Posted May 24, 2018 Buy from a reputable supplier, return unsatisfactory items, or else get a good glass-top pump and service it yourself periodically. I don't reckon any pump was ever designed to run for twenty years... :) Quote Link to comment Share on other sites More sharing options...
daver clasper Posted May 24, 2018 Share Posted May 24, 2018 Would a petrol resistant sealant/locktite help? Dave Quote Link to comment Share on other sites More sharing options...
Hogie Posted May 24, 2018 Author Share Posted May 24, 2018 Hi Dave, very possibly. never thought of that. My mechanical clamp should hold it in place. Roger Quote Link to comment Share on other sites More sharing options...
Tim Bancroft Posted May 28, 2018 Share Posted May 28, 2018 I have left mechanical pumps behind, now fitted Hucos to both my Saloon and GT6, no problem etc etc Quote Link to comment Share on other sites More sharing options...
Paudman Posted May 29, 2018 Share Posted May 29, 2018 That's ok if you're into that, but for people who like the original parts and the challenge of making them work as they should, it's not really an option. Quote Link to comment Share on other sites More sharing options...
Hogie Posted May 29, 2018 Author Share Posted May 29, 2018 Hi Tim/Colin, I'm happy with the older technology and I'm happy with most repro parts. Annoyingly they can and do go pop. But then one has the opportunity to improve the cheapo part. I defy this bl**dy pump to fail again. Roger Quote Link to comment Share on other sites More sharing options...
Don Cook Posted June 2, 2018 Share Posted June 2, 2018 How about fitting an electric pump (I took Tim's advice a couple of years ago and fitted a Huco), wire it in (take fuse out) and only connect it up if you are stuck up a mountain? Best of both worlds. Quote Link to comment Share on other sites More sharing options...
Hogie Posted June 9, 2018 Author Share Posted June 9, 2018 Hmmm, a parallel leccy pump - that sounds interesting. Roger Quote Link to comment Share on other sites More sharing options...
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