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#1
03-06-2007, 02:44 PM
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Did I break my Lift Pump?
Is it possible to break a lift pump by too much pressure on fuel lines?
84 300D 
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#2
03-06-2007, 02:48 PM
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How do you mean? Did you add an electric pump to it?
__________________
RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K 90 Dodge D250 5.9 Cummins/5 speed. 400K Gone and still missed...1982 w123 300D, 1991 w124 300D
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#3
03-06-2007, 03:13 PM
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Lift pump/IP problems
I should add:
The kit I used includes a hand primer bulb (like ones found on an out-board motor). When I re-primed the system, after replacing the main fuel line running under car, I forgot to disconnect the fuel line going to the LP and IP . When pressurizing the system , could I have done damage? Could I have caused a problem with the lift pump or IP.
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#4
03-06-2007, 03:16 PM
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Not reasonably.
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#5
03-06-2007, 03:17 PM
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It's doubtful with the hand pump. What symptoms are you seeing? Did you loosen the main spin on filter bolt and prime it? You may still have air in the system.
__________________
RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K 90 Dodge D250 5.9 Cummins/5 speed. 400K Gone and still missed...1982 w123 300D, 1991 w124 300D
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#6
03-06-2007, 03:24 PM
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Lift pump
I dissconnected EVERYTHING and I am running off of a bottle (just like Diesel Purge) and it is still happening. My symptoms: it starts right up, runs about 10 seconds and then shuts off like it's starved for fuel.
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#7
03-06-2007, 03:38 PM
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Did you loosen the main spin on filter bolt and prime it until no more air came out?
__________________
RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K 90 Dodge D250 5.9 Cummins/5 speed. 400K Gone and still missed...1982 w123 300D, 1991 w124 300D
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#8
03-06-2007, 04:13 PM
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Probably not because I'm not sure I understand what you are referring to. Please explain!!
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#9
03-06-2007, 04:23 PM
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Where the spin on filter is located, there is a large (17mm IIRC) center bolt.
First loosen that bolt a little, but do not remove it. You may need to hold the filter with one hand while you loosen the bolt. Once you loosen the bolt, use the primer pump on the lift pump to prime the system. Prime until you see fuel pooling up. Tighten the filter bolt, and try to start the engine. Be careful with the bulb type, as the one way valve on those are iffy at best.
__________________
RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K 90 Dodge D250 5.9 Cummins/5 speed. 400K Gone and still missed...1982 w123 300D, 1991 w124 300D
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