I's there a biodiesel kit for CRDs

Do you mean waste vegetable oil?

You can already run biodiesel as is.

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05CRD: GDE Hot ECU & TCM tunes, Provent, Cat filter, Facet lift pump, TransGo kit, Florida TC, Samcos, stainless brake lines, HDS thermostat, Renegade light bar,
Bilstein adjustables, Al's Gen 4.5 Arms, 235/85-16 Duratracs, DTT rear, Elocker front, EVIC+TPMS, Turbo timer, McNally pillar gauges, Weeks Stage II kit.

Any diesel vehicle manufactured after the late 1990's can run biodiesel with no problems. Only issue is that bio is a mild solvent, and will dissolve all the gunk that has built up in your fuel system over time from running regular diesel. That gunk will find its way into your fuel filter.

If you have never run bio before in a vehicle with 20k+ miles on it, I'd start by running a few tanks for a relatively low percentage blend (20% or less), then change my fuel filter. Should be good to go to run higher blends. This is assuming you have access to quality bio diesel that is stored properly. Poorly manufactured bio, or bio that is allowed to sit in above ground tanks for months and months, can cause problems.

Be advised, press releases touting the Liberty CRD and biodiesel aside, Chrysler will not honor warranty claims on the fuel system for blends greater than 5%. This has more to do with poor quality control on some bio sources, and automakers inherent interest in finding excuses to void warranties, than it does with the Jeep's fuel system. Mine has 25k on bio so far with no problems.

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2006 Liberty CRD Limited
Mopar engine, transmission, transfer case skids
245/70/16 Michelin Latitude X-Ice (winter)
235/75/16 Firestone Destination ATs (summer)
Thule roof rack, cargo box
V6 airbox mod
Flowmaster 50 2.5 inch muffler
Edge EZ module (set for fuel economy)
SEGR
TDIWagonGuy CCV filter
B99 (summer), B20 (winter)

Any indication that biodiesel's solvent quality is keeping the CCV /EGR cleaner?

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05 Liberty CRD, Airtex Lift Pump,ProVent, AMM, Racor 245R, ORM, Fujimoto,16x8 Moab Rims, 235/70R16 Goodyear Wrangler Silent Armor

Best thing to do with those is the ORM/SEGR and the Provent/elephant hose modifications, regardless of what fuel you use.

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'05 Liberty CRD B100, SEGR - SOLD

'01 Beetle TDi B100, EGR delete
'83 Mercedes 240D B100, no EGR

--- SEGR Builder ---

It may burn slightly cleaner, resulting in less carbon in the exhaust and blow-by, but I don't know that there's any empirical evidence of that. Realistically, ULSD and Bio will both burn pretty clean but still put soot in the EGR. As for CCV, the problem is the oil in the vapor, not the contaminants. I run b20 normally and have a Provent and SEGR, so there's my testimonial

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2005 Silver CRD Limited
245/75R16 GoodYear Duratracs
Fumoto drain | ProVent CCV Filter
Stanadyne FM100 filter | Cummins fuel pump
GDE Eco | SEGR | BoulderBars | FrankenLift | Frankenskids

B5 exhaust smells better in my opinion Some diesel exhaust smells like it's just kerosene

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Atlantic Blue 06 CRD Limited (his)
Joined by a 2000 XJ Classic (hers)

B100 smells better

We've run at least b20 up to b70 in the Libby since day one!! B100 in my PSD. NO modification to either to run Bio!

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2006 CRD KJ sport 2.5" with 235/85/16's
95 F250 PSD (not stock)
73 Bronco Buggy (REALLY not stock)
90 Miata (sold)
'49 Studebaker PU (sold)

I've got 50k miles on my CRD, and have run various blends up to several tanks of b100 and haven't clogged a filter yet. I've been running bio since shortly after I got the car, at about 35k miles. I haven't even had it a year yet (October) and I've already put over 15k miles on it. I guess its a good thing I don't lease cars.

There is not controlled study of this...or much else on our Libby's. Generally BioD blends do burn slightly cleaner in studies....but strangle in some studies pure (B100) burns a bit smokey in certain, older engines with stock settings.

All that is acedemic because you really should do the ORM and Provent/EHM....which is the only way to save that cantankerous EGR.

Oh, and unplug your fuel heater.

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2005 Liberty Sport CRD w/all the fixings
Elephant Hose, MAF (ORM), Amsoil Airfilter, nice when I get to drive it
1 EGRreplacement, but never again.
99.5 FrankenJetta TDI (R.I.P.): being turned into diesel hybrid!
99.5 Replacement Jetta TDI: deal of a lifetime, EHM, some other stuff

Why unplug the fuel heater?

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2015 Ram Ecodiesel/Big Horn/4x4/Quad Cab
2016 Arctic Fox 22G/Onboard 2500 LP Cummins Onan Generator/160 Watt Solar Panel

I took the road less traveled. Now I'm LOST.

Because they tend to overheat and burn the plug, likely getting too hot from air in filter head not cooling it.

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Atlantic Blue 06 CRD Limited (his)
Joined by a 2000 XJ Classic (hers)

This is another reason why I like the FASS. I would have a fuel/air separator in addition to a fuel heater and a lifetime warranty.

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2015 Ram Ecodiesel/Big Horn/4x4/Quad Cab
2016 Arctic Fox 22G/Onboard 2500 LP Cummins Onan Generator/160 Watt Solar Panel

I took the road less traveled. Now I'm LOST.