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15th June 2016, 09:33 PM
#21
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Originally Posted by
MyGU8
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MudRunnerTD (15th June 2016)
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15th June 2016 09:33 PM
# ADS
Circuit advertisement
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15th June 2016, 09:35 PM
#22
answer to a flow rate question, note CRD pump is actually CP1H rather than CP3
Originally Posted by
MyGU8
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15th June 2016, 09:35 PM
#23
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Originally Posted by
MyGU8
Ron1n,
The flow rate is irrelevant to some extent, what I mean by this is I understand the fuel filter is to be sized to match the required fuel flow, but if the pressure is climbing up to 0.3bar after the filter then the engine/pump is not getting enough fuel. So it is VERY VERY important to monitor the pressure (this is the method of Bosch diagnostic as well).
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MudRunnerTD (15th June 2016)
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15th June 2016, 09:36 PM
#24
Originally Posted by
MyGU8
I think I am up to something here:
You can add as many filters as you want to the system, the key point is not to worry about the flow rate but to monitor the pressure drop.
The best way to do this is to measure the pressure (vacuum) with the original system after the OEM filter first.
Install the second filter and monitor the vacuum and make sure it is reasonably within the limits (say 0.1bar or say 2psi more than the original).
YEAH..............!
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MudRunnerTD (15th June 2016)
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15th June 2016, 09:37 PM
#25
Originally Posted by
MyGU8
OK.. here's the sketch explaining the proposed method installing a second filter.
How can this be practically configured?
1. First I would suggest to fit a (diesel) vacuum gauge after the OEM filter and monitor values, preferably before the recommended filter replacement interval.
2. Measure the vacuum just after the filter change - this will give us two things
- a compartive headloss across the filter on a clogged filter and
- the vacuum level with a clean filter
3. If the head difference is more than 0.3bar (according to Bosch) you have some serious issues with the fuel you are buying. You must consider changing the filter more often.
4. If the head difference is less than 0.3bar you can proceed with the second filter installation.
5. Measure the head just after second filter installation and make sure it is well below the 0.3bar compare to the measurement in 2 (OEM clean filter only measurement).
6. Continue monitoring the vacuum gauge and when the head reduce to more than 0.2 bar (for safety) from the clean OEM filter only measurement (2 above) then time to change the filter(s).
Note that the measurements are best taken at maximum safe load
Usual disclaimer: these are based on my findings on the internet and does not mean accurate. I take no responsibility for any damage in any form caused by these information. I put this here for the sole purpose of my own benefit and future reference.
USE AT YOUR OWN RISK
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15th June 2016, 09:38 PM
#26
Filter configuration.jpg
picture for the above post
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15th June 2016, 09:39 PM
#27
Moderator
Nice work mere I will have a read. We have a great vendor that sells the filter setups at a great price too.
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15th June 2016, 09:42 PM
#28
Originally Posted by
MyGU8
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15th June 2016, 09:42 PM
#29
Originally Posted by
MyGU8
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That's it for now....
Last edited by MyGU8; 15th June 2016 at 09:46 PM.
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17th June 2016, 10:24 PM
#30
Not really a Bosch CRS1 - but I wouldn't think Delphi would be significantly different to Bosch given the similarity in Common Rail technology.
The interesting point to note is the OEM 2 micron filter rating.
https://www.delphiautoparts.com/en/t...-injector-how/
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