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#1
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injectors spewing fuel from return line nipples
I replaced the return hoses in the SDL on Sunday after the car had sat since Wednesday afternoon. The car was parked facing down the driveway slope. It's not a radical slope. What I noticed that I didn't notice when I replaced the hoses in the 83 SD is that when I removed the old hose the injectors would spew fuel for a long time. I had time to leisurely cut a new section of hose and fit both ends back on the injector nipples with no reduction in the rate fuel was spewing. In fact there was a 5mm or so tall fountain from some injectors. I could stand the ~6" hose straight up and there was enough of a head to push fuel to the high end of the hose. Is this normal?
FWIW, I replaced the return hoses in the SDL a year/4000 miles ago when I replaced the head. The injectors were dry so this wasn't an issue. Only one of the #4 return nipples showed signs of leaking. Thanks, Sixto 95 S420 87 300SDL 83 300SD ... $1100, see cars forum |
#2
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It all depends on how full the fuel tank is at the time. The 126 tank sits behind the rear seat and if the tank is much more than ~1/2 full, the fuel level is higher than the injector level and fuel will run from the tank back along the open fuel return path and out the return lines.
Marshall |
#3
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when i replaced my return hoses the tank level was lower than the engine by only a very small amount and there was no ''fountain'' caused when removing the lines.
thanks for the warning!!
__________________
1984 300D Turbo - 231k....totalled 11/30/07 RIP |
#4
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Makes sense because fuel was spewing from the forward injector only.
Thanks, Sixto 95 S420 87 300SDL 83 300SD ... $1100, see cars forum Last edited by sixto; 12-01-2003 at 06:14 PM. |
#5
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hey sixto - you changed your sig.??
does that mean your SD is not for sale anymore?
__________________
1984 300D Turbo - 231k....totalled 11/30/07 RIP |
#6
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There, ya happy?
I type my sig lines because I change cars mroe frequently than the average forumite and I prefer for the archives to have a list of what I had when I sumitted the post rather than what I have years later. Sixto 95 S420 87 300SDL 83 300SD ... $1100, see cars forum |
#7
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j/k sixto, just making sure that you know someone is paying attention ..hehe
__________________
1984 300D Turbo - 231k....totalled 11/30/07 RIP |
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