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AC 426 power 
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Joined: 01 May 2012
Location: Ohio
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 Topic: Off color question Ford 4000
Posted: 11 Feb 2022 at 11:37am |
Wondering if anyone here has experience with a a ford 4000 three cylinder diesel, my problem is it runs very rough and if ran long enough will ultimately die, I have replaced the fuel filter, replaced all the rubber lines, made sure fuel is returning to tank and have cleaned the screen in the tank etc put in fresh fuel still won’t hardly run, when it does run it sounds like a flutter or miss and has no power or throttle response. I’m lost on this one, thinking it may be the CAV pump? Going to try and post a link to a YouTube video of it running to help out. Thanks! https://youtube.com/shorts/xCJoWRF4YOo?feature=share
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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
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Posted: 11 Feb 2022 at 12:14pm |
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It sounds like it is running on 2 cylinders ??? Could be the pump or could be an injector problem ?
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Like them all, but love the "B"s.
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DrAllis
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Joined: 12 Sep 2009
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Posted: 11 Feb 2022 at 12:37pm |
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Definite miss-fire on 1-cylinder. No puffing exhaust smoke, so it has to be a lack of fuel delivery to that 1-cylinder. Pull all injectors and injection pump and have them gone thru. This assumes the starter is turning the engine over smoothly/evenly, indicating compression on all cylinders, which I think it is OK.
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AC 426 power
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Posted: 11 Feb 2022 at 1:14pm |
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Thanks, think I’ll do a compression tests just to check but yeah I think it’s fuel related
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injpumpEd
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Joined: 13 Sep 2009
Location: Walnut IL
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Posted: 11 Feb 2022 at 2:01pm |
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3 cyl CAV pumps do seem to eat the cam ring more often than 4 or 6 cyls. If it lost one lobe, it would lose the one cyl.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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DrAllis
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Posted: 11 Feb 2022 at 2:11pm |
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I think this tractor is the Simms in-line ?? maybe not ??
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injpumpEd
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Posted: 11 Feb 2022 at 5:40pm |
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All i've ever seen on a 4000 is the early 4 cylinder ones with a vertical Roosa DB, or the later 3 cylinder ones with a CAV DPA.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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DrAllis
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Posted: 11 Feb 2022 at 6:03pm |
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OK. I knew the 4-cylinder model 5000 and 7000 series were all Simms version, and assumed the 3-banger was too. That Red-Tiger 4-banger with the Roosa Master pump was a reminder of how the D-19 deezel was built.....just a gas engine with a different cylinder head ......
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AC 426 power
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Location: Ohio
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Posted: 11 Feb 2022 at 6:07pm |
 injpumpEd wrote:
3 cyl CAV pumps do seem to eat the cam ring more often than 4 or 6 cyls. If it lost one lobe, it would lose the one cyl. |
forgot to mention that the problem has gradually gotten worse, with it running fine cold and then starting to miss as it got warmer
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PaulB
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Location: Rocky Ridge Md
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Posted: 11 Feb 2022 at 6:19pm |
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The 6X & 6Y tractors have the Simms pumps, with the 7A series the CAV pump began use. The 1964 and older 4 cylinder diesels have a Roosa Master pump
Edited by PaulB - 11 Feb 2022 at 6:20pm
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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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HudCo
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Posted: 11 Feb 2022 at 9:36pm |
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we done a major overhaul on a 67 4000 with a 3cyl and m and w turbo last winter for a guy ran like that it had a cav pump it ran like that because it had been overheated bad from a hole in the radiator and just lost compression that turbo really gives it a good sound
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tbran
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Posted: 11 Feb 2022 at 11:39pm |
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What type of fuel filter ? IF it is the CAV type there are 2 different filters one correct one not - IF it is the type that takes the element with the holes in the top - the other filter will fit but the square oring can compress down in the top edges and block the fuel flow. I was given the NAPA line to call about issues like this and was told by a NAPA guy "we sell more filters than anyone in the world - we don't need your input!" We had over 20 tractors in the shop with wrong Napa filter issues in the CAV system. Just my 2 cents applicable or not.
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When told "it's not the money,it's the principle", remember, it's always the money..
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injpumpEd
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Posted: 12 Feb 2022 at 11:13am |
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Those filter seals are incorrectly installed by the owners.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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JoeM(GA)
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Posted: 12 Feb 2022 at 11:57am |
injpumpEd wrote:
Those filter seals are incorrectly installed by the owners. |
Plus 1 on that!, we were seeing that 25 years ago when I was still working at a Ford dealer
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Allis Express North Georgia
41 WC,48 UC Cane,7-G's,
Ford 345C TLB
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JohnColo
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Posted: 12 Feb 2022 at 12:47pm |
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I'm sure you checked, but is the air cleaner filter plugged?
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HudCo
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Posted: 12 Feb 2022 at 7:01pm |
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if theres a prob. with the napa filters then the seals were were installed wrong
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AC 426 power
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Posted: 12 Feb 2022 at 7:37pm |
JohnColo wrote:
I'm sure you checked, but is the air cleaner filter plugged?
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Yes I did check it all was good
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albatros_3
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Joined: 16 Apr 2012
Location: SE Michigan
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Posted: 13 Feb 2022 at 1:00pm |
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My Ford 3600 and a friends Massey 2135 both had this issue. It was the CAV pump. Ford owners manual says to have the injectors done every 1200 hours as well. It’s pricey, but I’d have the pump rebuilt and injectors tested and clean the whole fuel system. I run my stuff over to Superior Injection in Detroit and everything is ready the next day.
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Tom59
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Posted: 13 Feb 2022 at 1:22pm |
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I get all my fuel filters from my dealership, in the past they been the same price or cheaper than auto parts stores. My Massey Ferguson tractors have CAV pumps on them so I guess I eliminate that problem.
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DougG
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Posted: 13 Feb 2022 at 2:50pm |
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Those are nice tractors !
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