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Old 01-12-2020, 01:14 AM   #1
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Default Auxiliary fuel line in a 2006?

Hi guys,

Im in the process of doing the diesel heater install on my 2006 3500. Does anyone know if there is an auxiliary fuel line on this van? If not, what is the best way to tap in?
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Old 01-12-2020, 01:18 AM   #2
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Default Re: Auxiliary fuel line in a 2006?

Do you have the factory hydronic option? If so, many people T off that line.
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Old 01-12-2020, 01:25 AM   #3
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Default Re: Auxiliary fuel line in a 2006?

Quote:
Originally Posted by markxengineering View Post
Do you have the factory hydronic option? If so, many people T off that line.
...before the factory espar fuel pump. (Just so the info's here)

Do you have a little button on the right side of your dashboard with 3 wavy horizontal lines?
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Old 01-12-2020, 01:38 AM   #4
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Default Re: Auxiliary fuel line in a 2006?

Yes I do! is that good? I have no idea what that is
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Old 01-12-2020, 02:22 AM   #5
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Default Re: Auxiliary fuel line in a 2006?

Up front in the engine compartment under/behind the driver side headlamp is a factory Espar hydronic heater. This is awesome for a couple reasons. It was desinged to help warm the engine up faster. Even in the mild Seattle climate where I live I regularly use it to get the temp up on short drives. Start the van, push the wavy line (bacon) button and a cloud of smoke should come out from under the driver door area where the exhaust is. You may not get a smoke cloud the first time you fire it up, I sure did. The original owner never used the feature so it had sat for 8 years when I got the van... Anyway once you have used it a few times it will not smoke, it will warm up your engine ASAP.
As far as your heater install goes, if you get under the van and look forward of the fuel tank and follow lines you will see the main fuel line going to the engine and a smaller fuel line going to the factory Espar. Use ONLY the smaller line going to the factory espar to "t" into. Lots of treads on that here. Just google "espar fuel line t T1N sprinter".

This is how I did mine; https://sprinter-source.com/forum/sh...4&postcount=48

See page 131 of this owners manual for factory Espar operation.
002 Owners manual.pdf
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Old 01-12-2020, 02:29 AM   #6
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Default Re: Auxiliary fuel line in a 2006?

THIS IS AWESOME!!!! Thank you!
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Old 01-12-2020, 02:54 AM   #7
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Default Re: Auxiliary fuel line in a 2006?

Yep, I had my Sprinter for two years before I realized I had an Espar. Was looking underneath and wondered what the muffler was. It even gets cold in the mornings here in AZ. I couldn't wait till this winter to try it. It works great.

Regards,

Mark
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Old 01-12-2020, 04:28 PM   #8
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Default Re: Auxiliary fuel line in a 2006?

Quote:
Originally Posted by ranchworld View Post
Up front in the engine compartment under/behind the driver side headlamp is a factory Espar hydronic heater. This is awesome for a couple reasons. It was desinged to help warm the engine up faster. Even in the mild Seattle climate where I live I regularly use it to get the temp up on short drives. Start the van, push the wavy line (bacon) button and a cloud of smoke should come out from under the driver door area where the exhaust is. You may not get a smoke cloud the first time you fire it up, I sure did. The original owner never used the feature so it had sat for 8 years when I got the van... Anyway once you have used it a few times it will not smoke, it will warm up your engine ASAP.
As far as your heater install goes, if you get under the van and look forward of the fuel tank and follow lines you will see the main fuel line going to the engine and a smaller fuel line going to the factory Espar. Use ONLY the smaller line going to the factory espar to "t" into. Lots of treads on that here. Just google "espar fuel line t T1N sprinter".

This is how I did mine; https://sprinter-source.com/forum/sh...4&postcount=48

See page 131 of this owners manual for factory Espar operation.
Attachment 123675

What year is your van? I cannot find that existing pump on mine for some reason?
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Old 01-12-2020, 04:30 PM   #9
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Default Re: Auxiliary fuel line in a 2006?

In fact I'm not being a factory heater behind the headlight either
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Old 01-12-2020, 04:42 PM   #10
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Default Re: Auxiliary fuel line in a 2006?

https://imgur.com/a/sNv1YJ3


Here is a photo of what I have. Did the previous owner remove the heater?
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