Ford 4500 injector pump

/ Ford 4500 injector pump #1  

Dopi

New member
Joined
Feb 4, 2020
Messages
6
Tractor
Ford 4500
I rebuilt my CAV for my Ford 4500 with a kit and followed some pretty good YouTube videos for instructions. I have cranked the engine and bled lines for what seems like hours and all I can finally get is a dismal fuel squirt at injector lines and a small return flow into tank. There does not seem to be enough pressure to make it through the injectors as the engine doesn't even smoke or fire. I have a good starter and battery and the engine turns over well. I am a bit surprised my starter hasn't given up the ghost yet as I have cranked it over so much thinking I still had an air lock somewhere. I am now thinking air is NOT my problem but that I MUST have done something wrong in the rebuild of the pump. The only thing I remember being "uncomfortable" about is not quite understanding the 2 stage auto advance device that is on the bottom of the pump. I had disassembled the device for inspection and reassembled after thinking it appeared fine.
I am hoping someone with specific knowledge and experience might be able to suggest something. I am at a loss but think I have to go to the the trouble of taking the pump off again and go through from the top again.

Thanks
 
/ Ford 4500 injector pump #2  
Hopefully thepumpguysc can chime in, he knows his way around those injection pumps blindfolded.

Aaron Z
 
/ Ford 4500 injector pump #3  
If u watched the BundyBear video, its no wonder u cant get it started. Lol
I get more business from people watching THAT video.. I should send him a "Thank You" card..
How about contacting me direct & U can walk me thru the steps u took..
Its not easy doing an internet rebuild but if u tell me what U DID, maybe we can straighten it out together..
Just click on my screen name to the left, for my contact info..
 
/ Ford 4500 injector pump
  • Thread Starter
#4  
Yes that is the exact video I watched (there were others but that was the main guiding one). I will try to contact you as you suggest. I can't seem to find your contact info here but I think it must be because I'm using my phone. I will get to a computer later this morning and try there.
 

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