We have a CRD as well as a TDi and I found this thread over on the TDi forums

http://forums.tdiclub.com/showthread.php?t=87948

I did a search and found a couple references to filling the fuel filter with DP when changing it but nothing like what they are showing in the TDi thread. Is there something like that posted here that I just can't find?

Thanks

Seems a little radical for my taste. That said there are some posts on this forum about doing a fuel filter change and filling the new filter with straight Diesel Kleen or 50/50 DK and fresh (not recycled from the old filter) diesel for the first startup. For myself I just add some Diesel Kleen every 1K miles or so and don't worry about it. Oh and buy brand name fuel from places that sell a lot of diesel so I'm pretty sure I'm getting relatively new and clean fuel.

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Sold to LOST member my 05 Ltd, GDE Stg II turbo + TCM tune, SunCoast TC w. Transgo kit, Steiger window regulators, Samcos, Fumoto valve, 2nd gen filter head with Lub. Spec. bleeder, Hayden clutch & 11 blade fan, inverted spare, P-1 battery, BF Goodrich Long Trail TAs, Etecno1 glow plugs, timing belt at 50K miles/8 yrs

I agree there is no need. Change the fuel filter as needed. Breaking into CRD fuel lines lets air in. They do not have a lift pump in the tank. Prob would not start.

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05 Liberty CRD Sport with Leather 115k
GDE ECO, No EGR, no FCV, (system gone)
Oil Drain plug P/N 090-039
K&N Air Filter, 2nd gen Fuel filter head
NEW Rockers & lifters
Mobil 1 0w-40
Stant 13519 195 deg inline Thermostat.
0 281 002 845 MAP
Etecno GX3123 7v Glow Plugs
Advance Gold 800CCA Battery
Traded it for a Quality VW TDI

Pouring anything into a new filter has risks of dirt getting in doing way more harm then good
Why not just get into the habit of adding the product of your choosing to the tank before every fill up

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

As Fragile as the CP3 is, I wouldn't chance getting any contamination into the fuel system. I never pre-fill. Just change the filter, run the lift pump to purge air and go.

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2005 CRD "Ol' Blue"
Red Ryder carbine-action, two hundred shot range model air rifle with a compass in the stock and this thing which tells time.
My build page- RL Komodo Rear and TJM Front Bumper, armored, lifted, JBA Steel D30, 4.10s and ARB air lockers.