I’ve been trialing a stainless mesh replacement in the lads D2 with decent results.
Whilst I’m sure it isn’t as effective as the genuine units it’s doing a great job. Happy with what I’m seeing (not seeing) in the manifold.
In April 2017 I installed the Mann Hummel Provent 200 on my D2a TD5. It’s therefore probably been on for around 35,000km of driving. The last few weeks it’s leaking oil residue on the outter casing:
Reading the Installation and Maintenance Manual < https://oe-products.mann-hummel.com/...ProVent_en.pdf >, on page 21 at 5.4 Troubleshooting:
I’ve check the unit including valves and seals and all seems fine. The other suggestion is the maintenance which is just replacing the oil filter element according to page 13 5 Maintenance:
From what I’ve read online the filters are indicated to last between 20,000 to 40,000km (which I’m getting towards the upper end of) after which the clogging can cause increased pressure which causes the integrated pressure relief valve in the lid to open up and release the excess pressure which can cause the oil on the external of the unit.
Curious how long others have gotten out of there filters?
New genuine Mann Hummel filters look to be around $80.00. Alternatively there are aftermarket knocks offs and a stainless steel mesh screen type.
There’s some discussion online about cleaning and reusing them. Anyone had any success doing so? On some other online forums some have mentioned doing this using degreased and/or petrol, and stretching the filter out to 100,000km.
Mine - modified MY03 LT L318 Discovery 2a HSE Td5 15P
Hers - MY12 L319 Discovery 4 2.7L TDV6
Dads - MY12 L319 Discovery 4 2.7L TDV6
Sister-in-laws - MY98 LJ Discovery ES 3.9L V8
I’ve been trialing a stainless mesh replacement in the lads D2 with decent results.
Whilst I’m sure it isn’t as effective as the genuine units it’s doing a great job. Happy with what I’m seeing (not seeing) in the manifold.
Glad to hear that. One they’re more price friendly as like only 20% of the cost of the genuine replacement filters and two I like the idea of washing and reusing rather than sending it off to land fill...
Even at not quiet as effective it’s still then likely much better than no ProVent fitted.
Mine - modified MY03 LT L318 Discovery 2a HSE Td5 15P
Hers - MY12 L319 Discovery 4 2.7L TDV6
Dads - MY12 L319 Discovery 4 2.7L TDV6
Sister-in-laws - MY98 LJ Discovery ES 3.9L V8
Ordered, received and attempted to try an eBay Stainless Steel filter. Couldn't close the cap on the unit with it fitted. Pulled it back out to compare with the original and the reasoning is obvious - it's taller by about 6mm which is why it's fouling the lid from closing:
IMG_2181.jpgIMG_2180.jpg
Relating to this, of interest to others may be the thread at Provent 200 especially the linked UNSEALED 4X4 Issue 57 e-magazine that has an article comparing the different offerings.
And Provent Results, and just how much better TD5 oil filters are.
Thankfully at 35,000km out of the filter I'm getting a longer life than some others are reporting only 12,000km. I still don't understand why the filters have such a very high cost price to them. The PK Ranger that I fitted one to at the same time seems to be still going without issue.
Mine - modified MY03 LT L318 Discovery 2a HSE Td5 15P
Hers - MY12 L319 Discovery 4 2.7L TDV6
Dads - MY12 L319 Discovery 4 2.7L TDV6
Sister-in-laws - MY98 LJ Discovery ES 3.9L V8
I think it's Western Filters in sydney have a knock off of the original at a much cheaper price.
Being a cheapskate I bought a knock off 100 with stainless filter then bought a knock off fabric filter which fitted the knock off 100 perfectly. I emptied the hose today and about 1/5 cup came out after about 7KK.
Regards PhilipA
PS my inlet manifold was dead dry last week when I changed the FPR. The photos should be still there back a few postings.
I have one in mine, but will go back to a standard filter. Ben an engineer over here in the West did quite and exhaustive study on the various filters and in the end the standard filter was the best. I think he tested 4 or 5 filters including the ss mesh. His reasoning and results were quite sound and tested in University conditions. Cant remember whether it was discussed on here, but he actually wrote a paper on it, will see if I can find it, just cant remember if here or AULRO FB or Defender FB page. Post his report we actually had quite an in depth on line conversation about them.
Cheers
CraigE
2011 Discovery 4 TDV6
2009 DRZ400E Suzuki
1956 & 1961 P4 Rover (project)
1976 SS Torana (project - all cash donations or parts accepted)
2003 WK Holden Statesman
Departed
2000 Defender Extreme: Shrek (but only to son)
84 RR (Gone) 97 Tdi Disco (Gone)
98 Ducati 900SS Gone & Missed
Facta Non Verba
Yes it was discussed but IMHO he went a bit overboard.
I recall he tested a 100 Provent and clones to 200CFM which they were never designed for.
At 100 they were fine but at 200 very restrictive.
If they were designed for 100 why test to 200?
His report was valuable in that it tested mesh and paper, and found the paper restrictive but effective and the mesh not very restrictive but much less effective in % of vapour caught.
Regards PhilipA
I agree - I read Bens work - but it’s (the mesh) removing more than enough that the intake is remaining clean and dry. As it is an improvement above and beyond the original set up, and it’s set and forget - it’s staying
I fitted a ProVent 200 to a Ford Ranger PK 3L ute at the same time. The utes done almost twice the km as my D2a Td5 and the original filter is still going. Might be a sign of the level of oil blow by in my Td5.
Mine - modified MY03 LT L318 Discovery 2a HSE Td5 15P
Hers - MY12 L319 Discovery 4 2.7L TDV6
Dads - MY12 L319 Discovery 4 2.7L TDV6
Sister-in-laws - MY98 LJ Discovery ES 3.9L V8
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