Diesel heater fuel pickup

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Avittery
Posts: 17
Joined: Thu Dec 01, 2016 12:25 am
Member's Photo Album: http://www.delica.ca/Photos/
Vehicle: 96 L400 LWB
Location: N. Vancouver island

Diesel heater fuel pickup

Post by Avittery »

So I bought a diesel air heater for my L400 and wondering about plumbing it into the vehicle’s existing fuel tank.
It comes with a small fuel pickup (see photo) that I would put in the bottom of my fuel tank, but I’m wondering if it create too much vacuum inside the fuel tank since I won’t be running the vehicle’s engine when using the diesel heater.

Is the gas cap or tank vented on these vans???
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b_kims
Posts: 9
Joined: Mon Aug 05, 2019 4:01 pm
Member's Photo Album: http://www.delica.ca/Photos/
Vehicle: 91 L300 Chamonix
Location: Calgary

Diesel heater fuel pickup

Post by b_kims »

Can't speak for the L400, but a common method when installing a diesel heater in the L300's is tapping into your fuel is by plumbing a 3-way valve into the hose destined for the fuel filter. This could me a viable alternative to your fuel delivery questions.
Twotimeowner
Posts: 2
Joined: Thu Apr 08, 2021 10:20 pm
Member's Photo Album: http://www.delica.ca/Photos/
Vehicle: 1997 L400 Jasper
Location: Victoria BC

Re: Diesel heater fuel pickup

Post by Twotimeowner »

I’d love to know if anyone has actually done this. Also, where do those diesel heaters vent the exhaust???
Davidor
Posts: 23
Joined: Tue Dec 27, 2016 10:32 pm
Member's Photo Album: http://www.delica.ca/Photos/
Vehicle: 1995 L400 4M40
Location: Edmonton

Re: Diesel heater fuel pickup

Post by Davidor »

If you're still looking for answers, I put a hydronic coolant heater onto my L400 (diesel) and i just teed into one of the rubber fuel lines in between the hard line sections along the body rails underneath roughly under the sliding door. After 2 years she's still running smoothly with no vacuum issues in the fuel tank when running it.
KBand
Posts: 3
Joined: Tue Oct 05, 2021 9:11 pm
Member's Photo Album: http://www.delica.ca/Photos/
Vehicle: L400 LWB V6 Gas 4WD w/Crystal Roof
Location: Maple Ridge, BC

Re: Diesel heater fuel pickup

Post by KBand »

Davidor wrote: Thu Oct 14, 2021 7:59 am If you're still looking for answers, I put a hydronic coolant heater onto my L400 (diesel) and i just teed into one of the rubber fuel lines in between the hard line sections along the body rails underneath roughly under the sliding door. After 2 years she's still running smoothly with no vacuum issues in the fuel tank when running it.
Which Hydronic heater did you go with?
Davidor
Posts: 23
Joined: Tue Dec 27, 2016 10:32 pm
Member's Photo Album: http://www.delica.ca/Photos/
Vehicle: 1995 L400 4M40
Location: Edmonton

Re: Diesel heater fuel pickup

Post by Davidor »

I was able to find a used Espar at a reasonable price and I'm very happy with it's results. The fire chamber did foul up on me a little while after I got it however parts and new gaskets were easy to find at local shops that deal with heavy equipment. If I had to purchase new I'd still probably cough up the high price tag for one that I know can be serviced (espar or wabaso) as they do like to have somewhat regular maintenance on them.
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