Auxilary Heater

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Cookie4086
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Auxilary Heater

Post by Cookie4086 » Wed Nov 18, 2020 4:48 pm

OK, a quick forum search suggests it's been covered in the past, but I figure it's worth starting again to get a bit more up-to-date input...

Has anybody retro-fitted a genuine VW/Webasto auxilary heater to their van?

I'm wanting to use the Caddy as a camper, and was looking at fitting a diesel heater when I discovered there's a genuine VW version, so figured it might make more sense to go along that line?
any thoughts? words of warning? advice? all is welcome?
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VanLife
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Re: Auxilary Heater

Post by VanLife » Thu Nov 19, 2020 7:34 am

I have fitted one to my Caddy. I did it at the same time as my engine conversion as the donor touran had the heater and I wanted to keep it.

I didn't test it when I fitted it and now its getting cold I'm fairly sure it's not working so I need to look into it.

Good news is VW have provided all the mounting points so its just a bolt on job. Most difficult bit is dropping the fuel tank - just try to do it when the tank is nearly empty!

I took the full loom and ECU from the Touran so it was it was just plug and play for me. Not sure what wiring or programming is required to add it to a vehicle that didn't come with it from the factory.

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Marin97
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Re: Auxilary Heater

Post by Marin97 » Thu Nov 19, 2020 9:26 am

Very interesting topic,

Asked myself that question few days ago, tought about posting it but i tought when i get full acces ill probably find it in forum.

would be cool of someone would reply with all parts needed, and advice what needed to be done to fit it, mk3 mk4 caddy..

Anyways following :)

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petrev
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Re: Auxilary Heater

Post by petrev » Thu Nov 19, 2020 2:13 pm

Hi,
I had an Aux Heater (Eberspächer Hydronic) fitted from factory on my T4 Caravelle.
Bought the upgrade kit - Controller, cables, electric water pump and pipes, with instructions.
Fitted the extra kit so that it would work independently of the engine, and it worked surprisingly well.

Things to consider ...

If you have a factory fitted kit, but no remote/timer then you just need the remote upgrade kit.

If you buy an upgrade-retrofit kit for the Caddy you will need the version with remote control/timer control pad so that you can use it stationary without engine. These kits are quite expensive

Heated air is from the cabin heater matrix so air flows from heating ducts - Floor and Dash as set, with preset fan speed.
You can set controls as you find best while camping, but you may find heating the rear space in a Maxi takes a while......


If your Caddy hasn't a factory fit Aux Heater then it may be better, especially if doing a full camper conversion, to consider a Campervan Diesel Heater as they can be ducted to the area that you need the heat and will work thermostatically all night.
They also run off your leisure battery so no flat battery from using your Aux heater too much during the night.

There are some pretty cheap units out there now, including the Mikuni Japanese ones from about £600
Search Mikuni MV Aero 2
https://t4mation.me.uk/products/t5-dies ... -mv-airo-2
Last edited by petrev on Sat Nov 28, 2020 11:40 am, edited 1 time in total.

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Cookie4086
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Engine size/power: 1.4 16V Petrol (79bhp)
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Re: Auxilary Heater

Post by Cookie4086 » Sat Nov 28, 2020 10:44 am

Thanks folks;

I think that following Petrev’s comments, I’ll go with a stand alone heater rather than the VW original - I believe there’s space under the floor to fit it, and the install shouldn’t be too tricky - I’ll post updates as I go for the others who were interested,
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stan-the-man
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Re: Auxilary Heater

Post by stan-the-man » Sat Nov 28, 2020 7:54 pm

I have retrofitted mine 4 years ago now and had one in my fl van previous to that and I love it. I made the wiring myself and got the unit new from Poland and extra hoses and fuel lines from VW.

It’s not cheap and not very expensive either depending where you source your bits but defo one of the best mods I ever done to be honest. I like my to be warm so I use it since early October already .

For me hardest part was to fit a double hose at the back of engine as I had to use a garage ramp to do so due to no access in mk4 caddy. Pre facelift was much much easier.





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Marin97
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Re: Auxilary Heater

Post by Marin97 » Sat Nov 28, 2020 8:30 pm

Part number for oem?

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Last edited by Doc on Sat Nov 28, 2020 8:30 pm, edited 1 time in total.
Reason: Removed unnecessary quote of entire previous post
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