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  #1  
Old 07-28-2019, 07:35 PM
dja dja
 
Join Date: Aug 2008
Location: huntsville al
Posts: 68
Air in Fuel System with Video

https:youtu.b/nGiGYQ0zw6s1983 300SD, 206,000 mi.

I have changed all fuel lines including tank. fuel strainer clean, new injector nozzles and balanced (Greezer), rebuilt lift pump (Greezer), with new primer. I am running engine in video from a gallon jug to eliminate everything back of primary. I need to stop this air from getting in. I have installed a FAII to see bubbles in return. Funola Air Ingress Indicator. Please Advise.https://youtu.be/nGiGYQ0zw6s


Last edited by rp930; 07-28-2019 at 07:43 PM. Reason: add url
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  #2  
Old 07-28-2019, 07:45 PM
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Location: Long Beach,CA
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Where are you seeing Air. It is common for the Plastic Primary Filter to have an air bubble in it.

Also you did not say if it was running OK or not.
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Old 07-28-2019, 07:48 PM
dja dja
 
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Location: huntsville al
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See video it is return line I have installed additional filter.
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  #4  
Old 07-28-2019, 11:12 PM
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Location: New Jersey
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Is that relevant? If those filters tend to keep an air bubble in them, and you are pushing return fuel ipunder pressure into there, no doubt it will bubble up. Ever look at the diesel in the filler neck when you fill the tank?

I’d be more interested in getting some new hard lines that you can see through clearly and observe them.
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Current Diesels:
1981 240D (73K)
1982 300CD (169k)
1985 190D (169k)
1991 350SD (113k)
1991 350SD (206k)
1991 300D (228k)
1993 300SD (291k)
1993 300D 2.5T (338k)
1996 Dodge Ram CTD (442k)
1996 Dodge Ram CTD (265k)

Past Diesels:
1983 300D (228K)
1985 300D (233K)
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  #5  
Old 07-29-2019, 03:23 AM
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It's normal.

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Tulare County, CA

WTB list: (1983 300d)
-Exterior rocker panels below doors
-Gauge Custer plastic window/indicator icons

(1983 300D Turbo)
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