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Re: Rebuild Thread (Probably)
Posted: 06 Apr 2019, 08:11
by Ciaraneng
Hi Folks. My Marco Mansi pump arrived yesterday so I'm planning to switch out this morning. A quick question: Do I need to drain the oil and coolant before I start?
Re: Rebuild Thread (Probably)
Posted: 06 Apr 2019, 09:17
by itchyfeet
need to drain some coolant to remove the coolant pipe that runs over pump.
yes drain oil.
Re: Rebuild Thread (Probably)
Posted: 08 Apr 2019, 16:55
by Ciaraneng
Thanks Paul. Job done. Closer to 8 hours than 1.
Worth the effort and the cost though. Getting just over 2 Bar at 2000 rpm at 80 Deg. Not ideal but a lot better than where I was a couple of weeks ago.
Here’s the new pump and a few photos of the pump and the job.
Re: Rebuild Thread (Probably)
Posted: 08 Apr 2019, 16:56
by Ciaraneng
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Re: Rebuild Thread (Probably)
Posted: 08 Apr 2019, 16:57
by Ciaraneng
Re: Rebuild Thread (Probably)
Posted: 08 Apr 2019, 18:08
by itchyfeet
Excellent news, that pump is a work of art, don't forget to tell Marco he will appreciate the feedback.
What oil is giving you 2 bar at 80 degC 2000rpm is it 15w40? or 15W50?
Re: Rebuild Thread (Probably)
Posted: 09 Apr 2019, 00:13
by Ciaraneng
itchyfeet wrote:What oil is giving you 2 bar at 80 degC 2000rpm is it 15w40? or 15W50?
20W50 but then same oil was giving me 1 bar @ 80 Deg before the oil pump replacement.
Re: Rebuild Thread (Probably)
Posted: 10 Apr 2019, 20:06
by Ciaraneng
Re: Rebuild Thread (Probably)
Posted: 10 Apr 2019, 20:11
by Ciaraneng
Here are the bits I got with it. I have a DG inlet manifold and DG heads on a DG block. What am I missing to finish my air inlet system?
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Re: Rebuild Thread (Probably)
Posted: 10 Apr 2019, 20:50
by 937carrera
Have a look here for the parts diagram for the air filter-
https://volkswagen.7zap.com/en/rdw/typ+ ... 129-22015/
and here for the water pipes - more difficult to see here, and you might already have all you need
https://volkswagen.7zap.com/en/rdw/typ+ ... 121-16016/
Hopefully someone will be along shortly with a quick answer.. I don't have a 2e3 carb setup
Re: Rebuild Thread (Probably)
Posted: 10 Apr 2019, 21:07
by Ciaraneng
Thanks Carter’s. There must be square filters as well as circular ones. Good to know.
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Re: Rebuild Thread (Probably)
Posted: 10 Apr 2019, 21:43
by 937carrera
Your spellcheckers messing things up:)
I must admit I didn't recognise the square filter either

Re: Rebuild Thread (Probably)
Posted: 11 Apr 2019, 09:55
by Ciaraneng
Oops, sorry Carrera. Tapatalk's auto-correct took over.
Re: Rebuild Thread (Probably)
Posted: 11 Apr 2019, 11:55
by itchyfeet
Ciaraneng wrote:Thanks Carter’s. There must be square filters as well as circular ones. Good to know.
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early DGs had square as far as I know
get a pic up of your entire engine bay and we can help with hoses, there is one that's very expensive if I remember from expansion tank to carb
Re: Rebuild Thread (Probably)
Posted: 11 Apr 2019, 18:41
by Ciaraneng
Here it is in all its glory Paul. Part man, part machine, part domestic plumbing...
