TDI Heated fuel filter - Defender Source
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  #1  
Old June 18th, 2008, 03:58 PM
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mark kellgren
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Question TDI Heated fuel filter

Someone school me on this. I'm having to replace my TDI primary fuel filter, and looking at the fuel filter assembly (part# NTC1518), but have noticed that the filter that comes with it comes with a "non-heated" Bosch filter (LR# AEU2147L), but there is also a seperate heated filter for cold weather operations (LR# RTC 5938). Does anyone know if a seperate filter head is needed, or is there an additional part that fits to the NTC1518 head that is required?

I'll take the cold weather option if I can find it, for any future adventures up north. I know I can get a heated head for my Raycor prefilter, but it would be nice to have heat right before the lift pump as well.

From what I've gathered so far, there is an extra hole on the head mount for the heating element, but I dont' understand why the filters are different, or what the part # is to add to the NTC1518 to make it heated.
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  #2  
Old June 18th, 2008, 04:37 PM
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Quote:
Originally Posted by Overlander
.......but it would be nice to have heat right before the lift pump as well.
Not that I can answer your question, but this confused me. The "normal" 200/300 TDI primary filters are between the lift pump and the injection pump. You might want to ask at a local diesel shop. Last time I was at one, they told me the Bosch filter assembly was very common and they had them on the shelves, so there was no need to get anything from the UK.

Now personally I have a Stanadyne FM100 with a 2 micron head where the original filter sat (it is a straight bolt in). You can get heaters for them if you wish plus many other options.
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Old June 18th, 2008, 04:43 PM
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mark kellgren
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thanks. I'll take a look at that. You are right on the lift pump relationship; The gist of what I was refering to is getting heat right before the injection pump on the engine side, versus way back by the rear wheels on the Racor I have. Not sure how effective the heating will be just from the rear if the whole line gels.

If the stanadyne is a straight bolt in with a heated option, I'll take a look at it. Do you have a part number for the heated filter head mount?
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Old June 18th, 2008, 04:52 PM
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Not sure if this helps, but I see that I have a photo of a new Bosch filter assembly.
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  #5  
Old June 18th, 2008, 04:57 PM
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mark kellgren
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I was referring to the stanadyne unit that fits in place of the LR unit. it's a tight fit where the filter goes in my engine compartment. I would love to see a pic of your unit installed. Did the stanadyne bolt up to the same mounts? Did the metal fuel lines thread right in?
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Old June 18th, 2008, 05:00 PM
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Quote:
Originally Posted by Overlander
If the stanadyne is a straight bolt in with a heated option, I'll take a look at it. Do you have a part number for the heated filter head mount?
See here: http://www.mwfi.com/Stanadyne_Filter...lters_Head.htm You want one of the heads, whichever port size you like. The normal is 3/8" NPT. It mounts from the normal bulkhead bolts. On my 200TDI, I used 3/8"NPTx3/8"Tube angle compression fitting for the inlet and 3/8"NPTx5/16"Tube for the outlet to hook into the stock fuel tubing. Fitting picked up at local fitting place for $10 or so.

I used a 6" 2 micron head. Use what you wish.

Heater and other accessories are here: http://www.mwfi.com/Stanadyne_Filter...er_options.htm The in-unit heater is the best choice.

Heater should be in the filters as the purpose is to prevent filter plugging.

Follow-up Post:

Quote:
Originally Posted by Overlander
I was referring to the stanadyne unit that fits in place of the LR unit. it's a tight fit where the filter goes in my engine compartment. I would love to see a pic of your unit installed. Did the stanadyne bolt up to the same mounts? Did the metal fuel lines thread right in?
I'll try and remember and take a photo tonight. Yes it bolts to the stock location with the stock bolts. I hooked up to the stock fuel tubing (200TDI), which is 3/8" inlet and 5/16" outlet. You need to get fittings to convert. The stock fittings are 10mm banjo fittings.
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Old June 18th, 2008, 05:01 PM
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mark kellgren
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thanks. I'll check it out.
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  #8  
Old June 18th, 2008, 06:35 PM
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good info here... thanks

Does anyone know the partical size of the standard LR diesel filter?
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  #9  
Old June 18th, 2008, 06:55 PM
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Mark - On the stock filter head, there's apparently an unused port where a 12V cartridge heater fits in the heated configuration. I'm not sure what the difference is in the two filter elements (heated vs non-heated), but maybe clearance for the heater cartridge. Unfortunately my parts breakdown doesn't show the heated configuration.
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Old June 18th, 2008, 09:10 PM
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mark kellgren
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Ryan,
that's what I've read so far in other forums doing this research. If I could figure out how to "heat" the OEM filter assembly the land rover way, I would do it, since the filter is easily resourced and purpose built. No luck figuring out how to add heat to the head piece though so far.
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Old June 18th, 2008, 09:59 PM
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Some corrections. Inlet is 5/16" tube, outlet is 3/8", on a 200TDI.

Pictures are with a 4.3" filter. 6" should fit fine.

The stock filter is most likely around 15 micron, which is typical and adequate to prevent plugging. Studies have shown that filtering to 2 micron greatly increases injector life. Most industrial OEMs are going this route.

edit: Obviously, I don't have a heated head. There should be no space problems fitting one.
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  #12  
Old June 18th, 2008, 10:15 PM
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Thanks. I'm really considering that route. My filter is on the PS inner wing however, by the AC compressor and radiator overflow bottle.
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Old June 18th, 2008, 10:24 PM
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Ahh right, I looked at some photos now and I see they moved it for the 300TDI. Sorry, everyone I know has a 200TDI... Regardless, the 200TDI and 300 TDI filter and head are identical. This Stanadyne one is basically the same physical size, so I doubt there is a problem. The 6" element should be checked for length though. I'm pretty sure the 4.3" is no longer than stock.

Looking at engine bay photos like this one, http://img133.imageshack.us/img133/898/18082007la6.jpg I can't see a problem. or this one for LHD, http://www.wolverhampton4x4.co.uk/prodpics/117_t.jpg

If you want any measurements, let me know.
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Old June 19th, 2008, 08:40 AM
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Thanks. both those pictures accurately depict my filter location. no measurements needed. I'm sure my local marine shop should have that standyne filter assembly.
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Old July 14th, 2008, 10:07 PM
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Update: I ended up getting a Racor 460 with a 2 micron element and 12 volt 200 watt heater, just like the pre-filter unit in my rear wheel well (sans heater) but now I'm trying to figure out how to adapt it. The Racor unit has standard 3/8 threads for the ports, but the LR 300 tdi OEM braided fuel lines to the main filter use banjo fittings with some type of compression bolts. Anyone have any idea what size those OEM compression fittings are, so I can find an adapter? Any other ideas? I really don't want to go through the hassle of replacing the fuel lines and adapting the lift pump.
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Old July 14th, 2008, 11:49 PM
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As stated above, my 200TDI just has regular nylon tubing. A few compression fittings from the local fitting store adapted them easily to the 3/8" ports.
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Old July 15th, 2008, 01:03 AM
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