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#16
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Thanks for the reply Sixto. When you are ereferring to the fuel thermostat are actually talking about the pre heater? I've identified the lines. What I don't understand is what goes where. This is for a '91 300D and it has the banjo fitting. Am I suppose to remove the line in front(closest to the engine) of the primary fuel filter and attach it to the lift pump? Secondly, input line goes where? Sorry for all of the questions, but I'm still not really familiar with the fuel supply sytem.
__________________
1995 E420 152k 1991 300D 2.5 348116 daily driver 1992 300E 2.6 196k-work in progress(head gasket) 2002 BMW 745Li 93k |
#17
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The lift pump has two fittings - one on top that goes to the big filter, one at the end pointing downward from the fuel thermostat/fuel heater. Simply route the hose from the small filter to the lift pump inlet. Either loop or plug the lines to and from the fuel thermostat. Heck, leave them open.
Sixto 87 300D |
#18
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Here it is in graphic form. I hope your 91 300D isn't too different from this 87 300D.
Sixto 87 300D |
#19
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Is it really that simple? I'll give it a shot right now. The other lines can remain open?
__________________
1995 E420 152k 1991 300D 2.5 348116 daily driver 1992 300E 2.6 196k-work in progress(head gasket) 2002 BMW 745Li 93k |
#20
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The fuel remaining in the thermostat/heater circuit will leak out. You can plug or loop the lines.
Sixto 87 300D |
#21
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Thanks. That was easy enough. Another fuel leak solved. I had grabbed that pre-heater from the local pick-and pull a few months ago. I decided if it had started leaking again that I would just bypass it. Misson accomplished.
__________________
1995 E420 152k 1991 300D 2.5 348116 daily driver 1992 300E 2.6 196k-work in progress(head gasket) 2002 BMW 745Li 93k |
#22
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Probably just a worn o-ring in the fuel thermostat.
Sixto 87 300D |
#23
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It's apparently common. My car sucked air from the thing and Its been bypassed and I have no issues
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hum..... 1987 300TD 311,000M Stolen. Presumed destroyed |
#24
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Yep. It was sucking air. and it was causing a rough idle accompanied with white smoke.
__________________
1995 E420 152k 1991 300D 2.5 348116 daily driver 1992 300E 2.6 196k-work in progress(head gasket) 2002 BMW 745Li 93k |
#25
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Mine leaked there as well. I just replaced the o-ring, problem solved.
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1987 300TD 309, xxx 2.8.2014 10,000 mile OCI Be careful of the toes you step on today, as they may be connected to the ass you have to kiss tomorrow. anonymous “Be who you are and say what you feel, because those who mind don’t matter, and those who matter won’t mind.” Dr. Seuss |
#26
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Mine looks like this. Can it be refurbished with O-rings as well?
[IMG]http://www.***********************/images/product_images/thumbs200/WORLDPAC/W01331603611OES.JPG[/IMG] |
#27
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There is a kit that sold to repair it. It's actually you auxiliary waterpump.
__________________
1995 E420 152k 1991 300D 2.5 348116 daily driver 1992 300E 2.6 196k-work in progress(head gasket) 2002 BMW 745Li 93k |
#28
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My auxiliary water pump looks like this. And diesel doesn't leak from it.
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#29
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Well it shouldn't leake diesel because it doesn't come in contact with itl If either one of your fuel pumps were leaking, it would be coolant.
__________________
1995 E420 152k 1991 300D 2.5 348116 daily driver 1992 300E 2.6 196k-work in progress(head gasket) 2002 BMW 745Li 93k |
#30
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I meant waterpumps not fuel pumps.
__________________
1995 E420 152k 1991 300D 2.5 348116 daily driver 1992 300E 2.6 196k-work in progress(head gasket) 2002 BMW 745Li 93k |
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