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09-05-2016, 07:25 PM
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#1 |
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Registered User
Join Date: Dec 2015
Location: Pasadena, MD
Posts: 344
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Fuel Filter or what?
So I'm changing the oil in the truck today and notice what looks like an electric fuel pump and filter on the rail. Weird cause I have never heard it run but I went in for a closer look. Sure enough its an electric pump and filter right before it. I took a picture and kept moving with the oil change and lube. I didn't check to see if there was still a stock pump on the block but I will do so tomorrow. I just assumed I had a mechanical pump cause I never had a reason not too, but now I'm not so sure.....LOL. Anyway, while I was under there I noticed another weird looking part in front of the pump I had never seen before. Anyone know what it is? Is it a post-pump filter? Second picture is just the filter and pump I never knew I had...lol.
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1972 K-20 Custom Camper 1971 K2500 Custom Camper (Sold) 2014 GMC 2500HD DMAX |
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09-05-2016, 07:43 PM
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#2 |
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Senior Member
 
Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,859
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Re: Fuel Filter or what?
More pictures would be good. I can't figure out how the items in your 2 pictures are related/connected. Follow the line all the way from tank to carburetor and let's see what you have. Which items have electric wires? Your system could need attention such as replacing filters and hoses.
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09-05-2016, 08:03 PM
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#3 |
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Registered User
Join Date: Sep 2016
Location: Vancouver BC
Posts: 784
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Re: Fuel Filter or what?
If I had to guess, I'd say it was a sediment bowl. Usually they are glass, but for underchassis mounting, I guess that wouldn't work so well.
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09-05-2016, 08:28 PM
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#4 |
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Senior Member
Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,976
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Re: Fuel Filter or what?
Pressure regulator?
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09-05-2016, 08:58 PM
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#5 |
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Registered User
Join Date: Dec 2015
Location: Pasadena, MD
Posts: 344
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Re: Fuel Filter or what?
The line comes from the tank selector switch and goes to the filter, then the pump, then the mystery item. This picture shows the line coming out of the pump and going into the mystery item. From there it heads to the front of the truck. Only the pump has power going to it, nothing else. The truck runs and idles fine. No issues what so ever.
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1972 K-20 Custom Camper 1971 K2500 Custom Camper (Sold) 2014 GMC 2500HD DMAX |
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09-05-2016, 09:06 PM
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#6 | |
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Registered User
Join Date: Dec 2015
Location: Pasadena, MD
Posts: 344
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Re: Fuel Filter or what?
Quote:
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1972 K-20 Custom Camper 1971 K2500 Custom Camper (Sold) 2014 GMC 2500HD DMAX |
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09-05-2016, 09:22 PM
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#7 |
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Registered User
Join Date: Sep 2016
Location: Vancouver BC
Posts: 784
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Re: Fuel Filter or what?
You say: "The truck runs and idles fine. No issues what so ever." Maybe time to remember the famous old saying: "Carburetor--a French word, means Leave it Alone" Or, if it ain't broke, don't muck with it.
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09-05-2016, 09:24 PM
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#8 | |
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Registered User
Join Date: Dec 2015
Location: Pasadena, MD
Posts: 344
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Re: Fuel Filter or what?
Quote:
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1972 K-20 Custom Camper 1971 K2500 Custom Camper (Sold) 2014 GMC 2500HD DMAX |
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09-05-2016, 10:55 PM
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#9 |
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Registered User
Join Date: Feb 2011
Location: Modesto, CA
Posts: 2,189
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Re: Fuel Filter or what?
It screams regulator, but without truly inspecting the thing and seeing a dial/knob/screw adjustment, it's a guess.
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