d-15 injection pump
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=139069
Printed Date: 29 Aug 2025 at 12:10pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: d-15 injection pump
Posted By: nickia
Subject: d-15 injection pump
Date Posted: 04 Jun 2017 at 3:54pm
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i have a 615 back hoe going down the road it runs fine and then chugs like its out of fuel it dies i wait a min and restarts runs fine black smoke when goosed runs a mile and does the same thing. i use to think fuel obstruction and not im wondering if its the electric solonoid in the pump maybe getting hot? any ideas and whats the fix? cost for a new solonoid?
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Replies:
Posted By: DiyDave
Date Posted: 04 Jun 2017 at 6:58pm
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Likely the lift section of the pump is wearing out. Try putting an electric fuel pump between the tank and filters...
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Posted By: Macon Rounds
Date Posted: 04 Jun 2017 at 7:53pm
The D15 fuel filters are located on the side of the battery box which is about half way up fuel tank. They are prone to trap air because of their position. Pull bleed plug out of top of filters. I just blow in the tank till fuel comes out. Put plug in and all should good.
FYI, a factory type non collapsible hose is necessary between filters and pump.
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The Allis "D" Series Tractors, Gravely Walk behind Tractors, Cowboy Action Shooting !!!!!!! And Checkmate
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Posted By: nickia
Date Posted: 04 Jun 2017 at 8:12pm
Posted By: SteveM C/IL
Date Posted: 04 Jun 2017 at 9:24pm
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Roosa pump? Flex ring seen better days?
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Posted By: MACK
Date Posted: 04 Jun 2017 at 9:33pm
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If it starts back up after it sets a minute it is the flexing in pump. Pieces is plugging the return fitting on pump. MACK
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Posted By: injpumpEd
Date Posted: 04 Jun 2017 at 10:14pm
Yep, return plugged up with broken flex ring particles.
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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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Posted By: nickia
Date Posted: 05 Jun 2017 at 12:55am
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much of a job to replace the flex ring or is it a complete tear down?/
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Posted By: injpumpEd
Date Posted: 05 Jun 2017 at 7:23am
pump rebuild. knock out the return ball in the return fitting, and nurse it through the task at hand. When it can sit a little while, pull it off and send it in for rebuild.
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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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