606.962 conversions and fuel temperature
606.962 conversions and fuel temperature
The part number I'm referring to is 6040700179.
Also should the pre filter be replaced or at least back flushed? Its' part number is 6010920105.
50harleyrider
12-20-2020, 07:27 PM #1Does anyone have expertise on the fuel thermostat and how important is it to function properly during the cold months ahead? I don't think the donor W210 had anything as far as heating the original aluminum lines from the fuel tank. The same era TDI's I have had the lines were heated. I was curious if anyone knows at what temperature it is activated and what current draw it should have? Also what controls it or is it self controlled and powered with ignition voltage?
The part number I'm referring to is 6040700179.
Also should the pre filter be replaced or at least back flushed? Its' part number is 6010920105.
Throw away that tiny pre-filter. Leaks around it and the multiple O-rings surrounding it are the source of a lot of air-locked OM606 fuel systems. Better to install something like a Racor PS120 somewhere back near the tank. 10x the volume, and you can see through it to check for algae.
That fuel heater is entirely "powered" by coolant. It sticks into the head and has an internal thermostat to regulate whether the fuel takes the long hot way, or just passes through quickly to the exit. IIRC, it is set pretty low, 40C, or something like that.
Throw away that tiny pre-filter. Leaks around it and the multiple O-rings surrounding it are the source of a lot of air-locked OM606 fuel systems. Better to install something like a Racor PS120 somewhere back near the tank. 10x the volume, and you can see through it to check for algae.
50harleyrider
12-21-2020, 07:57 AM #3the oe f150 filter is still in place. is it OK to use it or is it important to see what is going on? even with 6 healthy glow plugs, my truck starts so much easier with a couple hours of block heating so I thought maybe there is an issue with fuel. I don't see any air bubbles in the clear lines. The lift pump is delivering 40-50 psi to the IP.
50harleyrider
12-21-2020, 10:45 PM #5it's a gas filter. Bad, huh? I'll gut it tomorrow since the 7.3 trucks of the 1997 era will not work. The Benz engine fuel filter should suffice. Makes seens as it seems to be starving of fuel on overnight starts so maybe that's the problem. I know when I leave the truck in my heated garage overnight, it fires right up the next day. Makes sense plugging filters always seem to magnify in colder temps.
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